2A6X1 Vol. 4 Ure's (Mfe)
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The term "No. 320 grit" refers to which feature of sandpaper?
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Type
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Strength
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Coarseness
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Flexibility
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This quiz assesses knowledge on the 54H60-91 propeller system, focusing on components like the barrel, beta feedback shaft, and pitchlock regulator. It evaluates understanding of mechanical functions and configurations critical for aerospace engineering and maintenance.
Quiz Preview
- 2.
Which 54H60-91 propeller subassembly transmits engine torque to the propeller blades?
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Barrel
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Control
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Low pitch stop
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Pitchlock requlator
Correct Answer
A. BarrelExplanation
The barrel of a 54H60-91 propeller subassembly transmits engine torque to the propeller blades.Rate this question:
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- 3.
When attempting to unfeather the 54H60-91 propeller in flight, where must the throttle be positioned?
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Any throttle position
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Above FLT IDLE
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At TAKE OFF
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At GND IDLE
Correct Answer
A. Above FLT IDLEExplanation
When attempting to unfeather the 54H60-91 propeller in flight, the throttle must be positioned above FLT IDLE. This means that the throttle should be set to a higher position than the flight idle setting.Rate this question:
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- 4.
The pneumatic air bled from the small gas turbine engine cannot be used to
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Inflate aircraft tires
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Remove snow and ice from aircraft surfaces
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Supply pneumattic power to aricraft pnehmatic starters
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Provide pneumatic power for air-conditioning systems
Correct Answer
A. Inflate aircraft tiresExplanation
The pneumatic air bled from the small gas turbine engine cannot be used to inflate aircraft tires because the air bled from the engine is not at a high enough pressure to inflate the tires effectively. Inflating aircraft tires requires a high-pressure air source, such as an air compressor, to provide the necessary force to inflate the tires to the appropriate pressure.Rate this question:
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- 5.
On the 54H60-91 propeller, if the main filter becomes clogged, which valve opens to assure continued flow?
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Check
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Bypass
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Low pressure relief
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High pressure relief
Correct Answer
A. BypassExplanation
If the main filter becomes clogged on the 54H60-91 propeller, the bypass valve opens to assure continued flow. This valve allows the fluid to bypass the clogged filter and continue flowing through the system, preventing any disruption or damage to the propeller.Rate this question:
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- 6.
The purpose fo the 54H60-91 propeller pitchlock assembly is to prevent
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The loss of oil pressure
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An engine overspedd due to a loss of power
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The flow of hydraulic fluid to the pilot valve
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An engine ovespeed due to a loss fo hydraulic pressure
Correct Answer
A. An engine ovespeed due to a loss fo hydraulic pressureExplanation
The purpose of the 54H60-91 propeller pitchlock assembly is to prevent an engine overspeed due to a loss of hydraulic pressure. This means that if there is a loss of hydraulic pressure, the propeller pitchlock assembly will engage and prevent the propeller from spinning too fast, which could cause damage to the engine. This safety mechanism ensures that the engine operates within its safe speed limits even in the event of a hydraulic pressure loss.Rate this question:
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- 7.
Besides maintaing the optimum blade phase angle relationship between all propellers, what else does sychrophhasing do?
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Keeps the propellers rotation at the same speed
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Keeps the propellers rotating at different speeds
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Prevents the pilot valve from shifting to increase blade angle
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Prevents the pilot valve from shifting to decrease balde angle
Correct Answer
A. Keeps the propellers rotation at the same speedExplanation
Synchronizing, or synchrophasing, is a system that ensures all propellers on a multi-engine aircraft rotate at the same speed. By maintaining the optimum blade phase angle relationship between all propellers, synchrophasing eliminates any speed differences and ensures that all propellers rotate at the same speed. This helps to reduce vibrations, improve efficiency, and enhance overall performance of the aircraft.Rate this question:
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- 8.
On the 54H60-91 propeller, which pitchlock component mechanically holds the stationary and rotating pitchlock ratchets apart during reversing adn unfeatherin operations?
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Pitchlock control cam
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Pitchlock ratchet piston
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Externally threaded ring
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Externally splined spacer ring
Correct Answer
A. Pitchlock control camExplanation
The pitchlock control cam is the component that mechanically holds the stationary and rotating pitchlock ratchets apart during reversing and unfeathering operations on the 54H60-91 propeller.Rate this question:
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- 9.
On the 54H60-91 propeller, which component provides a means for balancing the propeller?
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Deicer cnotact ring holder
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Hub mounting bulkhead
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Front spinner
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Afterbody
Correct Answer
A. Hub mounting bulkheadExplanation
The hub mounting bulkhead provides a means for balancing the propeller on the 54H60-91 propeller. Balancing the propeller is important to ensure smooth and efficient operation. The hub mounting bulkhead is responsible for securely attaching the propeller blades to the hub and distributing the weight evenly. This helps to minimize vibrations and maintain proper alignment, resulting in optimal performance of the propeller.Rate this question:
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- 10.
On the 54H60-91 propeller, during normal porpeller operation, the output of which pumps is used?
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Main pressure and main scavenge
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Standby pressure and main scavenge
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Auxiliary pressure and main pressure
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Auxiliary pressure and auxiliary scavenge
Correct Answer
A. Main pressure and main scavengeExplanation
During normal propeller operation on the 54H60-91 propeller, the output of the main pressure and main scavenge pumps is used. These pumps are responsible for providing the necessary pressure and scavenging functions to ensure proper operation of the propeller. The main pressure pump supplies hydraulic pressure to control the pitch of the propeller blades, while the main scavenge pump removes any excess oil or debris from the propeller system. Both pumps play a crucial role in maintaining the efficiency and functionality of the propeller during normal operation.Rate this question:
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- 11.
If the master propeller fails during synchrophaser governing, the slave propellers follow the master to
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A 96% mechanical stop
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About a 2% speed change
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The mechanical governor setting
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The preset master propeller governing setting
Correct Answer
A. About a 2% speed changeExplanation
If the master propeller fails during synchrophaser governing, the slave propellers will follow the master to about a 2% speed change. This means that the slave propellers will adjust their speed slightly to match the speed change of the master propeller.Rate this question:
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- 12.
When you perform a static blade transition check and abnormal noises are detected, the 54H60-91 propeller must be returned to depot. What AFTO form must be documented and accompany the propeller back to depot?
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45
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95
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244
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781
Correct Answer
A. 95Explanation
When performing a static blade transition check, abnormal noises are detected, it indicates a potential issue with the 54H60-91 propeller. In such cases, the propeller must be returned to the depot for further inspection and maintenance. The AFTO form 95 must be documented and accompany the propeller back to the depot. This form is used for recording and tracking maintenance actions and ensures that all necessary information is documented and communicated effectively.Rate this question:
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- 13.
On a GTCP165 engine shutdown, what valve closes to ensure fuel-flow is terminated?
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Poppet
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Scheduling
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Fuel flow divider
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Fuel shutoff solenoid
Correct Answer
A. Fuel shutoff solenoidExplanation
The fuel shutoff solenoid is the valve that closes to ensure fuel flow is terminated during a GTCP165 engine shutdown. This solenoid is responsible for cutting off the fuel supply to the engine, preventing any further fuel from entering the combustion chamber. By closing this valve, the fuel flow is effectively stopped, ensuring a safe and controlled shutdown of the engine.Rate this question:
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- 14.
On a GTCP165 engine oil system, air that leaks past various oil seals exits through the
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Vent system
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Pressure system
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Scavenge system
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Auxiliary system
Correct Answer
A. Vent systemExplanation
On a GTCP165 engine oil system, air that leaks past various oil seals exits through the vent system. The vent system is designed to release any excess pressure or gases that may build up in the oil system. By allowing the air to escape through the vent system, it helps maintain the proper pressure and functioning of the oil system.Rate this question:
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- 15.
On the 54H60-91 propeller, which component delivers the actual propeller blade angle from the blade to the control assembly?
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Microadjusting ring
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Beta feedback shaft
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Blade segment gear
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Blade bushing
Correct Answer
A. Beta feedback shaftExplanation
The beta feedback shaft delivers the actual propeller blade angle from the blade to the control assembly on the 54H60-91 propeller. This component allows for the adjustment and control of the propeller blade angle, ensuring optimal performance and efficiency.Rate this question:
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- 16.
on the 54H60-91 propeller, the output of what pump is sufficient to supply hydraulic pressure for nomal propeller operation?
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Auxiliary pressure
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Standby pressure
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Backkup pressure
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Main pressure
Correct Answer
A. Main pressureExplanation
The correct answer is "main pressure". On the 54H60-91 propeller, the main pressure pump is responsible for supplying hydraulic pressure for normal propeller operation. This pump is designed to provide sufficient pressure to ensure the propeller functions properly. The auxiliary pressure, standby pressure, and backup pressure pumps may be used in certain situations, but the main pressure pump is the primary source of hydraulic pressure for the propeller.Rate this question:
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- 17.
To reduce the noise and vibration levels, synchrophasing mode of governing maintains all the propellers at
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Identical speeds and the same blade phase angles
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Different speeds and the same blade phase angles
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Identical speeds and optimum blade phase angles
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Different speeds and optimum blade phase angles
Correct Answer
A. Identical speeds and optimum blade phase anglesExplanation
The synchrophasing mode of governing is used to reduce the noise and vibration levels. By maintaining all the propellers at identical speeds, it ensures that they are all operating in sync, which helps to minimize any imbalances or disturbances that could cause noise or vibration. Additionally, by optimizing the blade phase angles, the propellers can work together more efficiently, further reducing noise and vibration. Therefore, the correct answer is identical speeds and optimum blade phase angles.Rate this question:
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- 18.
On the 54H60-91 propeller, during alpha range operation, which cam changes speeder spring tension so the governor pilot valve can maintain 100 percent rpm?
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Beta set
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Speed set
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Backup valve
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Beta follow-up
Correct Answer
A. Speed setExplanation
The correct answer is "speed set". On the 54H60-91 propeller, the speed set cam is responsible for changing the speeder spring tension. This adjustment allows the governor pilot valve to maintain 100 percent RPM during alpha range operation. The speed set cam ensures that the propeller operates at the desired speed, providing optimal performance.Rate this question:
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- 19.
On the 54H60-91 propeller, during feather operation, between approximately what psi are the pressure cutout switch contacts opened?
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0 to 200
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300 to 500
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600 to 800
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900 to 1,100
Correct Answer
A. 600 to 800Explanation
During feather operation on the 54H60-91 propeller, the pressure cutout switch contacts are opened between approximately 600 to 800 psi.Rate this question:
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- 20.
The master synchrophaser board located int the synchrophaser unit contains a master channel and a slave channel. these channels are used by which propellers?
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No. 1 and no. 2
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No. 2 and no. 3
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No. 3 and no. 4
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All four propellers
Correct Answer
A. No. 2 and no. 3Explanation
The master synchrophaser board located in the synchrophaser unit contains a master channel and a slave channel. These channels are used by propellers no. 2 and no. 3.Rate this question:
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- 21.
How much change in rpm does the compensating network in the synchrophaser unit allow the speed bias motor to correct?
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2%
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4%
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6%
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8%
Correct Answer
A. 2%Explanation
The compensating network in the synchrophaser unit allows the speed bias motor to correct a change in rpm by 2%. This means that the motor can adjust the speed by a maximum of 2% to compensate for any variations in rpm.Rate this question:
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- 22.
Which type fo special inspection can be used to find minute cracks on a propeller blade?
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Magnetic
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Purple dye
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Magna flux
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Spectrometric
Correct Answer
A. Purple dyeExplanation
Purple dye is used for special inspection to find minute cracks on a propeller blade. This type of inspection involves applying the dye to the surface of the blade and then using a special ultraviolet light to detect any cracks or defects. The dye penetrates into the cracks, making them visible under the UV light. This method is effective in identifying small cracks that may not be easily visible to the naked eye.Rate this question:
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- 23.
When used for ground operation, the SGT engine can be installed on
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Pods
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An H-frame
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A two-wheel trailer
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A four-wheel trailer
Correct Answer
A. A four-wheel trailerExplanation
The SGT engine, when used for ground operation, can be installed on a four-wheel trailer. This implies that the engine is designed to be mobile and can be easily transported on a trailer with four wheels. This setup allows for flexibility and convenience in moving the engine to different locations for ground operations. The other options mentioned, such as pods, an H-frame, and a two-wheel trailer, are not suitable for installing the SGT engine for ground operation.Rate this question:
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- 24.
On the 54H60-91 propeller, which dome assembly part allow the rotating cam to turn while the stationary cam remains in a fixed postion?
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Roller shaft
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Track slopes
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Ball bearings
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Roller bearings
Correct Answer
A. Ball bearingsExplanation
Ball bearings allow the rotating cam to turn while the stationary cam remains in a fixed position. Ball bearings are designed to reduce friction and allow smooth rotation between two parts. In this case, the ball bearings enable the rotating cam to spin freely while the stationary cam remains fixed, ensuring proper functioning of the 54H60-91 propeller.Rate this question:
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- 25.
On the 54H60-91 propeller, when the throttle is moved to the GROUND IDLE position, what degree setting does the coordinator pointer indicate on the protractor?
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0*
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18*
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34*
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90*
Correct Answer
A. 18*Explanation
When the throttle is moved to the GROUND IDLE position on the 54H60-91 propeller, the coordinator pointer indicates a degree setting of 18* on the protractor.Rate this question:
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- 26.
The condition lever GND STOP position is only effective on the ground because the circuits made in this position are completed throw what switches?
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Landing gear touchdown
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Low speed ground idle
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Landing gear warning
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Air start
Correct Answer
A. Landing gear touchdownExplanation
The condition lever GND STOP position is only effective on the ground because the circuits made in this position are completed through the landing gear touchdown switch. This switch is activated when the aircraft's landing gear makes contact with the ground, allowing the condition lever to be moved to the GND STOP position. This position cuts off fuel flow to the engine, preventing it from running while the aircraft is on the ground.Rate this question:
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- 27.
On the 54H60-91 propeller, what forces the stop levers on the low pitch stop to move outward?
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Wedge
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Servo valve
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Dome piston
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Hydraulic pressure
Correct Answer
A. WedgeExplanation
The stop levers on the low pitch stop of the 54H60-91 propeller move outward due to the action of a wedge.Rate this question:
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- 28.
On the 54H60-91 propeller, what function is a task of the low pitch stop assembly?
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Prevents the popeller from goin in to the beta range when the throttle is positioned in the alpha range
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Limits cam travel and prevents the propeller from exceeding feather and reverse balde angles
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Prevents the blades from decreasing pitch if an overspeed condition occurs
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Transmits engine torque to the blades
Correct Answer
A. Prevents the popeller from goin in to the beta range when the throttle is positioned in the alpha rangeExplanation
The low pitch stop assembly on the 54H60-91 propeller prevents the propeller from going into the beta range when the throttle is positioned in the alpha range. This means that it restricts the propeller blades from moving to a higher pitch angle, ensuring that the propeller operates within the desired range and does not enter a mode where it provides reverse thrust.Rate this question:
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- 29.
What component in the T56 engine coordinator provides reference signals to the electronic TD amplifier that are proportional to the desired TIT?
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Feather shaft
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Potentiomether
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65* microswitch
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66* microswitch
Correct Answer
A. PotentiometherExplanation
The potentiometer in the T56 engine coordinator provides reference signals to the electronic TD amplifier that are proportional to the desired TIT. A potentiometer is a variable resistor that can adjust the voltage or current in a circuit. In this case, it is used to control the temperature of the engine by providing signals to the TD amplifier, which adjusts the TIT accordingly.Rate this question:
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- 30.
The impeller wheel and tow turbine wheels in the turbine setion of the GTCP165 engine are connected by
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Tie bolts
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Helical splines
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A common shaft
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A gear reduction gerbox
Correct Answer
A. A common shaftExplanation
The impeller wheel and two turbine wheels in the turbine section of the GTCP165 engine are connected by a common shaft. This means that all three components are linked together and rotate as one unit. This arrangement allows for efficient transfer of mechanical energy from the impeller to the turbine wheels, enabling the engine to generate power.Rate this question:
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- 31.
On the 54H60-91 propeller, which is a function of the the pitchlock regulator?
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Stops the dome piston from increasing blade angle above 23.3
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Prevents the blades from decreasing pitch if hydraulic pressure is lost
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Prevents cam bearing rollers from bottoming out in the track slopes
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Prevents the propeller from going into the beta range when the throttle is positioned in alpha range
Correct Answer
A. Prevents the blades from decreasing pitch if hydraulic pressure is lostExplanation
The function of the pitchlock regulator on the 54H60-91 propeller is to prevent the blades from decreasing pitch if hydraulic pressure is lost. This means that even if there is a loss of hydraulic pressure, the pitchlock regulator will ensure that the blades maintain their pitch and do not move to a lower angle. This is important for the safe operation of the propeller, as a sudden decrease in pitch could result in a loss of thrust and control.Rate this question:
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- 32.
On the 54H60-91 propeller, which valve, contained in the valve housing, controls the flow of hydraulic fluid to and from the dome assembly?
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Standby
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Feather
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Backup
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Pilot
Correct Answer
A. PilotExplanation
The pilot valve, contained in the valve housing, controls the flow of hydraulic fluid to and from the dome assembly on the 54H60-91 propeller.Rate this question:
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- 33.
On the 54H60-91 propeller, when the backup valve is opened, the hydraulic pressure routed to the governoor pilot valve is used for which operation?
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Pitchlock
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Standby
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Reverse
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Airstart
Correct Answer
A. ReverseExplanation
When the backup valve is opened on the 54H60-91 propeller, the hydraulic pressure routed to the governor pilot valve is used for the operation of reversing the propeller. This means that the propeller blades can be adjusted to produce reverse thrust, allowing the aircraft to slow down or stop more effectively during landing or taxiing.Rate this question:
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- 34.
On the 54H60-91 propeller, the funcition of the low pitch stop is to prevent the
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Propeller barrel from decreasing blade angle below 23.3* +_ .5*
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Dome piston from decresing blade angle below 23.3* +_ .5*
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Propeller barrel from decreasing blade angle below 34* +_ .5*
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Dome piston from dereasing blade angle below 34* +_ .5*
Correct Answer
A. Dome piston from decresing blade angle below 23.3* +_ .5*Explanation
The low pitch stop on the 54H60-91 propeller is responsible for preventing the dome piston from decreasing the blade angle below 23.3° ± 0.5°. This is important because it ensures that the propeller maintains a minimum blade angle, which is necessary for optimal performance and efficiency. By limiting the range of motion for the dome piston, the low pitch stop helps to regulate the propeller's pitch and control the amount of thrust generated.Rate this question:
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- 35.
On the 54H60-91 propeller, when feathering the propeller, what acts on the mechanical linkage to open the feather actuating valve?
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Throttle
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Beta shaft
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Pilot valve
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Manual feather cam
Correct Answer
A. Manual feather camExplanation
When feathering the propeller on the 54H60-91 propeller, the mechanical linkage is acted upon by the manual feather cam to open the feather actuating valve. The manual feather cam is responsible for controlling the movement of the mechanical linkage, allowing it to activate the feather actuating valve and initiate the feathering process.Rate this question:
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- 36.
On an GTCP165 engine, turbine discharge temperature is controlled by the
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PMG
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Governor
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Pneumatic thermostat
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Fuel flow divider valve
Correct Answer
A. Pneumatic thermostatExplanation
The correct answer is the pneumatic thermostat. On a GTCP165 engine, the turbine discharge temperature is controlled by the pneumatic thermostat. This device regulates the temperature by adjusting the flow of air or gas to the turbine, ensuring that it operates within safe limits. The PMG (Permanent Magnet Generator) and the governor are not directly responsible for controlling the turbine discharge temperature. The fuel flow divider valve is responsible for regulating the fuel flow to the engine, but it does not directly control the turbine discharge temperature. Therefore, the pneumatic thermostat is the correct answer.Rate this question:
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- 37.
On the 54H60-91 propeller, to avoid being crushed after emoving the dome shell during dome piston seal replacement, you should keep your fingers away from the
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Dome shell
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Cam tracks
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Dome piston
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Seal area of the piston
Correct Answer
A. Cam tracksExplanation
To avoid being crushed after removing the dome shell during dome piston seal replacement on the 54H60-91 propeller, it is important to keep your fingers away from the cam tracks. The cam tracks are the areas where the dome shell moves and rotates, and they can cause serious injury if fingers are caught in them. Therefore, it is necessary to exercise caution and keep a safe distance from the cam tracks to prevent any accidents or harm.Rate this question:
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- 38.
On the 54H60-91 propeller, which component is used in place of a shim plate on the No. 1 blade?
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Beveled thrust washer
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Stationary ratchet
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Beta segment gear
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Blade barrel shim
Correct Answer
A. Beta segment gearExplanation
The beta segment gear is used in place of a shim plate on the No. 1 blade of the 54H60-91 propeller. This component serves the purpose of adjusting the pitch angle of the blade. A shim plate is typically used to achieve this adjustment, but in this case, the beta segment gear is utilized instead.Rate this question:
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- 39.
On the 54H60-91 propeller, which type of valve opens to allow the output of the standby pump to combine with the output of the main pump?
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Check
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Bypass
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Low pressure relief
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High pressure relief
Correct Answer
A. CheckExplanation
The correct answer is "check". In a 54H60-91 propeller, the check valve opens to allow the output of the standby pump to combine with the output of the main pump. The check valve is designed to allow flow in one direction and prevent backflow in the opposite direction. In this case, it allows the output of the standby pump to flow into the system when needed, ensuring a combined output of both pumps.Rate this question:
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- 40.
For the 54H60-91 propeller to operate in the normal governing mode, the propeller governor control switch must be placed in te NORMAL position and what other conditions must be met?
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Throttle at or above FLT IDLE, and synchrophase master in ENG 2 or ENG 3 position
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Throttle at or above FLT IDLE, and synchrophase master switch in OFF
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Throttle below FLT IDLE and prop resnchrophase switch in RESYNC/INDEX
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Throttle below FLT IDLE and fuel governing switch in CHECK
Correct Answer
A. Throttle at or above FLT IDLE, and synchrophase master switch in OFFExplanation
The propeller governor control switch must be placed in the NORMAL position and the throttle must be at or above FLT IDLE. Additionally, the synchrophase master switch must be in the OFF position. These conditions are necessary for the 54H60-91 propeller to operate in the normal governing mode.Rate this question:
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- 41.
On the 54H60-91 propeller, after the new packings are in place during dome piston seal replacement, you need to turn them so what color faces outward?
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Red
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Blue
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Green
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White
Correct Answer
A. WhiteExplanation
After replacing the dome piston seal on the 54H60-91 propeller and installing new packings, the packings need to be turned so that the white color faces outward.Rate this question:
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- 42.
The 54H60-91 propeller governor speeder spring tension positions the pilot valve to maintain what percent rpm in the beta range?
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99 to 103%
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104 to 108%
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109 to 113%
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114 to 118%
Correct Answer
A. 109 to 113%Explanation
The correct answer is 109 to 113%. The 54H60-91 propeller governor speeder spring tension is responsible for positioning the pilot valve, which in turn maintains the RPM (rotations per minute) in the beta range. This particular spring tension ensures that the RPM stays within the range of 109 to 113%, allowing for optimal performance and control of the propeller.Rate this question:
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- 43.
On the 54H60-91 propeller, during feathering operation, the feather valve is positioned to meter hydraulic fluid to the
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Aft end of the dome piston
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Forward end of the dome piston
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Decreased-pitch side of the pilot valve
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Increased-pitch side of the pilot valve
Correct Answer
A. Forward end of the dome pistonExplanation
During the feathering operation of the 54H60-91 propeller, the feather valve is positioned to meter hydraulic fluid to the forward end of the dome piston. This is because when the propeller is being feathered, the blades need to be rotated to a high pitch angle to minimize drag. By metering hydraulic fluid to the forward end of the dome piston, it allows the blades to rotate to this high pitch angle, effectively feathering the propeller.Rate this question:
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- 44.
On a GTCP165 engine, which component shuts the engine down if the oil pressure drops below the safe minimum operating limit?
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Oil/air cooler
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Oil filter assembly
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Oil pressure switch
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Oil pressure regulator valve
Correct Answer
A. Oil pressure switchExplanation
The oil pressure switch is responsible for shutting down the GTCP165 engine if the oil pressure drops below the safe minimum operating limit. This switch is designed to monitor the oil pressure and send a signal to the engine control system when it falls below the specified threshold. This safety feature ensures that the engine is protected from potential damage caused by insufficient oil pressure, preventing further operation until the issue is resolved.Rate this question:
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- 45.
During normal GTCP165 engine shutdown, what circuit trips to stop the engine?
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100-percent circuit
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110-percent circuit
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Load-control circuit
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Speed-switch control circuit
Correct Answer
A. 110-percent circuitExplanation
During normal GTCP165 engine shutdown, the 110-percent circuit trips to stop the engine. This circuit is responsible for monitoring the engine's performance and ensuring it does not exceed its maximum operating limit, which is typically 110 percent of its normal operating speed. When the circuit detects that the engine is operating above this limit, it activates a trip mechanism to shut down the engine and prevent any potential damage or failure.Rate this question:
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- 46.
To calculate the required weight change when u use the 192A spectrum analyzer, you will need to plot the data on a
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Balance sensitivity chart
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Solution screen printout
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Balance chart worksheet
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Weight balance sheet
Correct Answer
A. Balance chart worksheetExplanation
The balance chart worksheet is needed to calculate the required weight change when using the 192A spectrum analyzer. This worksheet helps in plotting the data and analyzing the balance sensitivity, which is crucial for determining the weight change accurately. It provides a visual representation of the balance sensitivity chart and allows for easy calculations and adjustments.Rate this question:
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- 47.
On the 54H60-91 propeller, propeller balancing is not required if the propeller imbalance is at or below what level?
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0.2 IPS
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0.4 IPS
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0.2 degrees
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0.4 degrees
Correct Answer
A. 0.2 IPSExplanation
On the 54H60-91 propeller, propeller balancing is not required if the propeller imbalance is at or below 0.2 IPS. This means that as long as the propeller imbalance is within this level, it is considered acceptable and does not require any further balancing.Rate this question:
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- 48.
What type of sump design is the oil system on a GTCP165 engine?
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Wet
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Dry
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Hot
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Cold
Correct Answer
A. WetExplanation
The correct answer is "wet". In a wet sump design, the engine's oil is stored in a separate reservoir within the engine, typically in the bottom of the crankcase. This design allows for easier access and maintenance of the oil system, as well as better lubrication and cooling of the engine components.Rate this question:
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- 49.
On the 54H60-91 propeller, hydraulic fluid is directed from the directed from the pump housing to the barrel assembly through what component?
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Valve housing
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Low pich stop
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Transfer bearing
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Pitchlock regulator
Correct Answer
A. Transfer bearingExplanation
The correct answer is transfer bearing. On the 54H60-91 propeller, hydraulic fluid is directed from the pump housing to the barrel assembly through the transfer bearing. This component plays a crucial role in transferring the hydraulic fluid and ensuring the proper functioning of the propeller system.Rate this question:
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Quiz Review Timeline (Updated): Mar 19, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 19, 2023Quiz Edited by
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Jun 29, 2010Quiz Created by
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