2A655 Volume 2 Unit Review 1-50
Try your hand at this quiz related to Aircraft Hydraulic Systems, as you answer questions regarding the 2a655 Volume 2 Engine. What measurements, quotes, vocabulary and operations are you aware of? Find out right now!
- 1.
(201) What will happen if you hear is applied to a confined fluid?
- A.
Pressure will increase
- B.
Flow will be restricted
- C.
A great amount of turbulence will occur
Correct Answer
A. Pressure will increase -
- 2.
(201) What terms are used to describe the physical qualities of fluids?
- A.
Resistance, force and energy
- B.
Incompressibility, resistance, and pressure transmission
- C.
Pressure transmission, incompressibilty, expansion and contraction
Correct Answer
C. Pressure transmission, incompressibilty, expansion and contraction -
- 3.
(202) Who said "All gases expand and contract in direct proportion to the change in temperature, provided the pressure is constant?"
- A.
Boyle
- B.
Pascal
- C.
Charles
Correct Answer
C. Charles -
- 4.
(203) What is the volume of a cylinder 5 inches high (length) with a 1-inch raduis?
- A.
1.57 cubic inches
- B.
3.14 cubic inches
- C.
15.7 cubic inches
Correct Answer
C. 15.7 cubic inches -
- 5.
(203) What would be the volume of fluid displaced if an actuator with a 3-square-inch piston moves a distance of 12 inches?
- A.
4 cubic inches
- B.
12 cubic inches
- C.
36 cubic inches
Correct Answer
C. 36 cubic inches -
- 6.
(203) To obtain mechanical advantage use the formula, mechanical equals
- A.
Pressure times volume.
- B.
Resistance divided by effort.
- C.
Equal force plus effort.
Correct Answer
B. Resistance divided by effort. -
- 7.
(203) The law of the conservation of energy states that energy can be
- A.
Only created
- B.
Either created or destroyed
- C.
Neither created or destroyed
Correct Answer
C. Neither created or destroyed -
- 8.
(203) In the Metric system all basic units are divisible by
- A.
5
- B.
10
- C.
100
Correct Answer
B. 10 -
- 9.
(203) To convert centigrade to Fahrenheit you would
- A.
Multiply the centigrade temperature by 1..8 and add 32.
- B.
Multiply the centigrade temperature by 1..8 and subtract 32.
- C.
Subtract 32 from the centigrade temperature and multiply the remainder by 1.8.
Correct Answer
A. Multiply the centigrade temperature by 1..8 and add 32. -
- 10.
(204) If the lift of an aircraft is equivalant to its weight, theoretically, the aircraft should
- A.
Climb slowly.
- B.
Descend slowly.
- C.
Maintain a constant altitude.
Correct Answer
C. Maintain a constant altitude. -
- 11.
(204) If an aircraft's thrust is as great as its drag the aircraft should
- A.
Gradually dive.
- B.
Gradually climb
- C.
Maintain a constant speed
Correct Answer
C. Maintain a constant speed -
- 12.
Which flight axis extends lengthwise through the fuselage from the nose to tail?
- A.
Lateral
- B.
Vertical
- C.
Longitudinal
Correct Answer
C. Longitudinal -
- 13.
(204) The flight control surface that prvides directional control about the vertical axis is the
- A.
Ruddder
- B.
Aileron
- C.
Elevators
Correct Answer
A. Ruddder -
- 14.
(204) Flaps are normally operated
- A.
Mechanically
- B.
Hydraulically
- C.
Electrically or hydraulically
Correct Answer
C. Electrically or hydraulically -
- 15.
(204) Generally, trim system s are operated
- A.
Electrically or manually
- B.
Electrically or mechanically
- C.
Electrically or hydraulically
Correct Answer
C. Electrically or hydraulically -
- 16.
(204) The automatic flight control system fhat improves the handling characteristics when the
- A.
Altitude hold
- B.
Auto pilot
- C.
Stability augmentation
Correct Answer
C. Stability augmentation -
- 17.
(205) Corrosion is defined as the
- A.
Direct chemical reation of a metal to chemicals.
- B.
Deterioration of a metal by reaction to its enviroment.
- C.
Breakdown action of the protective finish of metals.
Correct Answer
B. Deterioration of a metal by reaction to its enviroment. -
- 18.
(205) The first indication of pitting corrosion on aluminum and magnesium alloy is
- A.
Surface swelling of the metal.
- B.
White powdery deposits on the metal surface.
- C.
Gray blistering of the metal surface.
Correct Answer
B. White powdery deposits on the metal surface. -
- 19.
(205) What are the two types of penetrant inspections?
- A.
Eddy current and dye.
- B.
Flourescent and dye.
- C.
Flourescent and magnectic particle.
Correct Answer
B. Flourescent and dye. -
- 20.
(206) Where is the best place to start inspecting an aircraft rudder control system?
- A.
In the flight deck.
- B.
At the control surface.
- C.
At the front of aircraft.
Correct Answer
A. In the flight deck. -
- 21.
(207) How much pressure should be in the hydraulic system when the accumulator is initially air charged?
- A.
Zero
- B.
15000 psi
- C.
Maximum
Correct Answer
A. Zero -
- 22.
(207) You should check a strut's fluid level when the strut is fully
- A.
Deflated and extended
- B.
Inflated and compressed
- C.
Deflated and compressed
Correct Answer
C. Deflated and compressed -
- 23.
(207) Shock struts should be seviced with
- A.
Oxygen
- B.
Hydrogen
- C.
Nitrogen
Correct Answer
C. Nitrogen -
- 24.
(207) If there is an improper oil level in the shock strut chamber, the
- A.
Strut could bottom out on landing.
- B.
Strut may not compress on landing.
- C.
Strut may not extend fully after takeoff.
Correct Answer
A. Strut could bottom out on landing. -
- 25.
(208) In what troubleshooting step do you examine probable causes that can be checked easily before trying those that require involved procedures?
- A.
Isolate thru elimination.
- B.
Observe the problem.
- C.
Take corrective action.
Correct Answer
A. Isolate thru elimination. -
- 26.
(209) Aluminum alloy 6061 tubing is used
- A.
In areas of extreme vibration.
- B.
When system pressure does not exceed 1500 psi.
- C.
When system pressure exceeds 1500 psi.
Correct Answer
C. When system pressure exceeds 1500 psi. -
- 27.
(209) What is the maximum number of flats an MS-B-nut can be tightened?
- A.
1/2
- B.
1
- C.
2
Correct Answer
C. 2 -
- 28.
(209) Where should the color coded system indentification tape be located on a hose assenbly that is 26 inches long?
- A.
Only one tape, at either end.
- B.
One tape at each end of the hose.
- C.
One tape in the middle of the hose.
Correct Answer
B. One tape at each end of the hose. -
- 29.
(210) Why would you use a heavy plastic cover when proof testing a hose assembly?
- A.
Prevent leakage
- B.
Hold the hose down during testing
- C.
Provide protection for the person testing the hose
Correct Answer
C. Provide protection for the person testing the hose -
- 30.
What is the length of a medium pressure hose assembly having the number MS28741-4-0124?
- A.
124 inches
- B.
12 and 1/4 inches
- C.
12 and 1/2 inches
Correct Answer
C. 12 and 1/2 inches -
- 31.
(210) What is considered excessive wire braid damage per assembly or per foot for a Teflon hose which operates at 3000 psi?
- A.
1 or more wires..
- B.
7 or more wires.
- C.
10 or more wires.
Correct Answer
C. 10 or more wires. -
- 32.
(210) Rudders hoses shall be replaced when the assembly date exceeds
- A.
5 years.
- B.
10 years.
- C.
15 years
Correct Answer
B. 10 years. -
- 33.
(211) When cutting a Teflon hose why do you place a piece of masking tape at the cutoff point?
- A.
Prevent flareout.
- B.
Ensure a square cut.
- C.
Mark the correct length.
Correct Answer
A. Prevent flareout. -
- 34.
(211) An installed rudder hose's identification markings spiral around the hose. This indicates the
- A.
Cover is loose.
- B.
Hose is kinked.
- C.
Hose is twisted.
Correct Answer
C. Hose is twisted. -
- 35.
(212) How are ball peen hammers classified?
- A.
By the head diameter.
- B.
By the lenght of the handle.
- C.
According to the weight of the head.
Correct Answer
C. According to the weight of the head. -
- 36.
(212) What kind of pliers are mainly used for holding or bending flat or round stock?
- A.
Duckbill
- B.
Long-nose
- C.
Slip-joint
Correct Answer
C. Slip-joint -
- 37.
(212) To hold objects in tight places or make delicate adjustments, you would use
- A.
Diagonal pliers.
- B.
Slip-joint pliers
- C.
Needle-nose pliers
Correct Answer
C. Needle-nose pliers -
- 38.
(212) If you use the point of diagonal to cut material
- A.
The jaws will spring.
- B.
The point will not cut.
- C.
The material will not be cut cleanly.
Correct Answer
A. The jaws will spring. -
- 39.
(212) Why are the jaws of a wrench slightly larger that the size labeled on the wrench?
- A.
Make the fitting of two size nuts possible.
- B.
Allow for expansion of the nut as it is tightened.
- C.
Make it easier to slip the wrench on and off the nut.
Correct Answer
C. Make it easier to slip the wrench on and off the nut. -
- 40.
(212) What wrench would be the best used where an obstruction would prevent the use of a regular socket?
- A.
Strap
- B.
Box end
- C.
Crow foot
Correct Answer
C. Crow foot -
- 41.
(212) A disadvantage of the box-end wrench is that
- A.
It can only be used i close quaters.
- B.
It has a tendency to slip off nuts easier than other wrenches.
- C.
It must be lifted from the nut and repositioned for another turn.
Correct Answer
C. It must be lifted from the nut and repositioned for another turn. -
- 42.
(212) Which wrench would you use to hold or turn a barrel of an accumalator.
- A.
Strap
- B.
Spanner
- C.
Crowfoot
Correct Answer
A. Strap -
- 43.
(212) To file soft steel you should start with a
- A.
Coarse file and finsih with a smooth file.
- B.
Second cut file and finish with a smooth file.
- C.
Smooth file and finish with a dead smooth file
Correct Answer
B. Second cut file and finish with a smooth file. -
- 44.
(212 ) Which punch would you use to break loose a tapered pin?
- A.
Pin
- B.
Center
- C.
Starting
Correct Answer
C. Starting -
- 45.
(213) The total movement of a dial indicator is read by
- A.
Addding the minus reading only.
- B.
Addding the minus reading with the plus reading.
- C.
Subtracting the minus reading from the plus reading
Correct Answer
B. Addding the minus reading with the plus reading. -
- 46.
(213) A tensiometer is used to measure the
- A.
Length of a cable.
- B.
Amount of cable stretch
- C.
Amount of tension applied to a cable.
Correct Answer
C. Amount of tension applied to a cable. -
- 47.
(213) What is the first step when checking cable tension.
- A.
Zero the tensiometer
- B.
Determine the cable size.
- C.
Close and lock the handle.
Correct Answer
B. Determine the cable size. -
- 48.
(213) A micrometer reading of 1.68 is equal to one and sixty-eight
- A.
Tenths.
- B.
Hundredths.
- C.
Thosandths
Correct Answer
B. Hundredths. -
- 49.
(213) How far does a micrometer move for each complete revolution of the thimble?
- A.
0.001 inch
- B.
0.002 inch
- C.
0.025 inch
Correct Answer
C. 0.025 inch -
- 50.
(213) Torque wrenches should not be used in their lower
- A.
10 percent
- B.
15 percent
- C.
20 percent
Correct Answer
C. 20 percent -
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Mar 21, 2022Quiz Edited by
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Jan 13, 2012Quiz Created by
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