2a675 Hydraulic 7lvl
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Technical orders are issued by USFAA for materials and appliances used on civil aircrafts. A TO that is not clear may lead to wrong deliveries. Are you on the way to becoming a hydraulics system craftsman? The 7lvl quiz is set to help you with the revision of the topic. All the best!
- 1.Normally, Who can be a production inspector ?
- A.
Any NCO without regard to skill level
- B.
Any person with a 5-Skill level or higher
- C.
Only NCOs with a 7-Skill level or higher
- D.
Any person without regard to rank or skill level
- 2.When, if at all, may a hydraulic craftsman sign off non-hydraulic (such as engine) Red X's?
- A.
At any time, there are no special requirements
- B.
Never, a hydraulic craftsman cannot sign off non-hydraulic red X's
- C.
Only when the hydraulic craftsman holds the rank of MSgt or higher
- D.
Only when spacific cross-utlization training task qualification is documinted
- 3.Under what conditions, if any, should you sign off a red-X without physically looking at the work?
- A.
When its a particulary simple job
- B.
When a mechanic you particulary trust did the work
- C.
When the work is under a installed panel or is particularly diffacult to access
- D.
None, you should always look at the work
- 4.Which technical order (TO) has entire chapters devoted to Nuts, Bolts, Tubing, and safetying methods?
- A.
1-1A-8, Aircraft Structuarl Hardware
- B.
42E-1-1-1, Aerospace Hose Assemblies
- C.
1-1A-14, Aircraft Electric and Electronic Wireing
- D.
00-25-223, Integrated Pressure Systems and Compenents
- 5.Which technical order (TO) should you refer to for the proper usage of a cannon plug, or procedures for using splices?
- A.
1-1A-8, Aircraft Structuarl Hardware
- B.
42E-1-1-1, Aerospace Hose Assemblies
- C.
1-1A-14, Aircraft Electric and Electronic Wireing
- D.
00-25-223, Integrated Pressure Systems and Compenents
- 6.Which technical order (TO) offers information on Nuts, Tubing, Washers, and Safetying methods for in-shop equipment?
- A.
42E-1-1-1, Aerospace Hose Assemblies
- B.
1-1A-14, Aircraft Electric and Electronic Wireing
- C.
00-25-223, Integrated Pressure Systems and Compenents
- D.
1-1A-15, General Maintenance Instructions For Support Equipment
- 7.Which technical order (TO) contains information on the operation, installation, testing, and maintenance of low, medium, high pressure, and vacume pressure systems applicable to missile and airborne systems, aerospace ground equipment, and test equipment?
- A.
42E-1-1-1, Aerospace Hose Assemblies
- B.
1-1A-14, Aircraft Electric and Electronic Wireing
- C.
00-25-223, Integrated Pressure Systems and Compenents
- D.
1-1A-15, General Maintenance Instructions For Support Equipment
- 8.What should be done when a general technical order (TO) contains information that conflicts with the information in an aircraft TO?
- A.
Use the aircraft TO
- B.
Use the General TO
- C.
Either TO may be used
- D.
1-1A-15, General Maintenance Instructions For Support Equipment
- 9.Which statement is generally true regarding personal standards of inspection and the mechanics whose work is being inspected?
- A.
Most mechanics will not notice where you have set your standerds
- B.
Mechanics will notice where you have set your standerds and will try to violate them as often as possible
- C.
Mechanics will notice where you have set your standerds but it will not impact the work that any of them do
- D.
Mechanics will notice where you have set your standerds, and will pay attetion to the areas where your standerds are high
- 10.How should follow-on write-ups and original write-ups refer to each other?
- A.
By date of entry; both original and follow-on write-ups refer to each other
- B.
By date of entry; the follow-on write-ups
- C.
By page number and item number; both original and follow-on write-ups should refer to each other
- D.
By page number and item number; the follow on write-ups should refer to the original only
- 11.What should be done if a work crew complets a job that required an In Progress INspection (IPI) but forgot to call for the IPI (So it was not done)?
- A.
The IPI must be omitted
- B.
The task must be undone far enough to complet the IPI
- C.
The IPI must be signed off so long as the OP's check was good
- D.
The IPI may be deferred until the next time the task is completed
- 12.*QUESTION REMOVED*
- A.
CLICK HERE
- B.
**
- 13.What document lists which persons are authorized to sign condition tages?
- A.
Roster Of Special Tasks (RSL)
- B.
Special Certification Roster (SCR)
- C.
Production Inspection Listing (PIL)
- D.
Master Certification Listing (MCL)
- 14.How, if at all, is inspecting a component overhaul action deffrent from inspecting an aircraft component installation action?
- A.
The two inspections are not diffrent from each other
- B.
The installation inspection certifies the component works
- C.
The overhaul inspection cerfifies that the component works
- D.
The inspection work is more obvious and visibale for the overhaul inspection
- 15.During a component overhaul inspection, which general technical order (TO) should be used to find rules for the proper use of such items as locknuts, cotter keys, and safety-wire?
- A.
1-1A-8, Aircraft Structural Hardware
- B.
42E-1-1-1, Aerospace Hose Assemblies
- C.
1-1A-14, Aircraft Electric and Electronic Wiring
- D.
00-25-223, Integrated Pressure System abd Components
- 16.Why is knowing your troops so important for maintenance inspectors?
- A.
Because it prevents all mistakes from occuring.
- B.
Because signing a condition tag involves a higher degree of trust than signing off a red-x.
- C.
Because signing off a red-x involves a higher degree of trust than signing a condition tag.
- D.
Because the mainteance inspector must maintain a "Blacklist" of the untrustworthy troops.
- 17.When a piece of support equipment has a crack in the sheet metal that is 3/4" long, how must the crack be treated?
- A.
It may be ignored.
- B.
It must be patched.
- C.
It must be stop-drilled at the ends
- D.
The piece of sheet metal must be replaced.
- 18.When working with support equipment, if a locknut can be run down with the fingers after the lock feature engages the bolt, what must be done?
- A.
The nut must be replaced
- B.
The bolt must be replaced
- C.
The nut may be used anywhere
- D.
The nut can be used on support equipment only
- 19.What type of electrical schmeatic / diagram should be used when trying to find bulkhead cannon plug loacations or splice points?
- A.
Wiring diagram
- B.
General schematic
- C.
Specific-condition schematic
- D.
Nonspacific general diagram
- 20.What type of electrical schematic / diagram gives a good overview of the entire system?
- A.
Wiring diagram
- B.
General schematic
- C.
Spacific-condition schematic
- D.
Nonspecific general diagram
- 21.What type of electrical schematic / diagram leaves out the portions that are irrelevant?
- A.
Wiring diagram
- B.
General schmeatic
- C.
Spacific-condition schematic
- D.
Nonspecific general diagram
- 22.What is the easiest way to follow an electrical schematic?
- A.
Follow current from power to ground
- B.
Follow current from ground to power
- C.
Follow voltage from power to ground
- D.
Follow voltage from ground to power
- 23.What two things do electrical components need in order to work?
- A.
Power and ground
- B.
Power and voltage
- C.
Resistence and ground
- D.
Resistance and voltage
- 24.What refrence can show you how componants are supposed to work in a system, and can take you through a system's operation?
- A.
Job guide
- B.
Overhaul T.O.
- C.
General system T.O.
- D.
Illustrated parts breakdown
- 25.How is a manually operated switch positioned?
- A.
By a person
- B.
By a solenoid
- C.
By a moving surface
- D.
By hydraulic pressure
- 26.How does a schematic show that the poles of a mulitple-pole switch move together?
- A.
The poles are connected by a solid line
- B.
The poles are connected by a dashed line
- C.
The contacts are shown with a triangular shape
- D.
The switch is labled with text to indicate the switch position
- 27.How, if at all, does a schematic show the various postions a switch can be in?
- A.
The switch positions are indicated by a solid line
- B.
The switch positions are indicated by a dashed line
- C.
Schematics generally do not show switch positions
- D.
The switch is labeled with text to indicate the switch positions
- 28.How are position switches moved (Positioned)?
- A.
By a person
- B.
By a solenoid
- C.
By a moving surface
- D.
By hydraulic pressure
- 29.What does it mean to say that a relay is "Energized"?
- A.
Current is flowing across the switches
- B.
Current is not flowing across the switches
- C.
The solenoid (Coil) has power and ground
- D.
The solenoid (Coil) has neither power nor ground
- 30.In what position, if any, are relays generally drawn in schematics?
- A.
In the grounded position
- B.
In there energized positions
- C.
In there de-energized positions
- D.
There is no standard way of drawing relays
- 31.For a relay, what is the circuit that is affected by the relay energizing and de-energizing?
- A.
Relay circuit
- B.
Control circuit
- C.
Windlinger circuit
- D.
Relay switch circuit
- 32.What is the function (Purpose) of a diode?
- A.
It changes one electrical signal into two
- B.
It ensures current flow in both directions
- C.
It combines two electrical signals into one
- D.
It allowes current to flow in one direction only
- 33.When following a schematic, where should you start if you are trying to learn more about how a system works?
- A.
At the diodes
- B.
At the component
- C.
At the system ground
- D.
At the controle switches
- 34.When following a schematic, where should you start if you are trying to find out why a spacific component is NOT working?
- A.
At the diodes
- B.
At the component
- C.
At the system ground
- D.
At the control switch
- 35.When following a schematic through a cycle, if you have come to the end but you know the cycle is not finished, what is probably wrong?
- A.
You probably missed a page
- B.
You probably missed a diode
- C.
You probably forgot to move a position switch
- D.
You probably forgot to follow the circuit breaker
- 36.How do electrical schematics show that wires which cross each other in a schematic are connected?
- A.
With an "X"
- B.
With a bridge
- C.
With a junction dot
- D.
With a junction triangle
- 37.If a cannon plug is labled "J208", what does the "J" stand for?
- A.
Jack
- B.
Joint
- C.
Jumper
- D.
Junction
- 38.It a schematic showes to cannon plugs with the exact same label (such as "J208"), what does this indicate?
- A.
It is two views of the same cannon plug
- B.
There was a error in labeling the cannon plug
- C.
There are two plugs with the same label that connect together
- D.
There are two seprate cannon plugs labeled identically on an aircraft
- 39.Refer to FO-1. What position is the LH ramp position shown in?
- A.
Up
- B.
Not up
- C.
Locked
- D.
Not locked
- 40.Refer to FO-1. If a ramp control switch is held in "LOWER", and the ramp is "UP", and the ramp is "NOT LOCKED", what solenoids will be energized?
- A.
Raise and lock
- B.
Raise and unlock
- C.
Lower and lock
- D.
Lower and unlock
- 41.Refer to FO-1, None of the hydraulic solenoids can recive power unless which of the following switches is closed?
- A.
Ramp position switch
- B.
Ramp and door control switch
- C.
Locking cylinder unlock switch
- D.
Static line support arm position switch
- 42.Refer to FO-1. Which two terminals of terminal board 9 are showen connected in this schematic?
- A.
1 and 2
- B.
4 and 5
- C.
4 and 6
- D.
5 and 6
- 43.Refer to FO-1, Which of the following conditions will cause the UNLOCK solenoid to be energized?
- A.
Door control switch held to CLOSE when the ramp is UP
- B.
Ramp comtrol switch held to RAISE when the ramp is UP
- C.
Door control switch held to CLOSE when the ramp is NOT UP
- D.
Ramp control switch held to RAISE when the ramp is NOT UP
- 44.Refer to FO-2, How does collar lock relay No. 1 (F4) recive power?
- A.
It recives power when to collar locks
- B.
Ir recives power when the control handle is UP
- C.
It recives constant power from the circuit breaker
- D.
It recives power when the gear is down and locked
- 45.Refer to FO-2. The LH FWD MLG CONTROL circuit breaker provides constant power to all of the following components excepy for the..?
- A.
Down lock relay
- B.
90° position relay
- C.
Green-wheel indicator
- D.
Blue-lights on test switch
- 46.Refer to FO-2. Just above the 0 degree collor lock sensor, there are the numbers "43" and "42", what do these numbers represent?
- A.
They are wire numbers
- B.
They are cannon plug pin numbers
- C.
They are ohm values for their wires
- D.
They are cannon plug and receptical numbers
- 47.Refer to FO-2. Find the green UP ROTATE SOLENOID light. Under what conditions is the press-to-test feature of this light assembly operative?
- A.
Only when the collar is locked
- B.
Only when the gear is rotated to 90 degrees
- C.
Only when the gewar is down and locked
- D.
The press-to-test feature is always operative
- 48.Refer to figure 2-6. Other than having power applied to the stand and having the emergancy stop pushbutton released, what conditions, if any, must exist to turn on the ELECT CRT COOLING fan?
- A.
The main pump must be on
- B.
The boost pump must be on
- C.
None, this fan will be on all of the time
- D.
The reservoir must be at least half full
- 49.Refer to figure 2-6. If relay MS-2 energizes, what happens on the test stand?
- A.
The reservior heater comes on
- B.
The blower motor starts turning
- C.
The main pump motor starts turning
- D.
The boost pump motor starts turning
- 50.Refer to figure 2-6. For the reservior heater to come on, all of the following things must happen except the..
- A.
Main pump must be running
- B.
Boost pump must be running
- C.
4 psi pressure switch musy be closed
- D.
Reservoir temperature must be below 180° F
- 51.Refer to figure 2-6. Why are there three power wires coming in to this schematic?
- A.
Because three different voltages are used
- B.
Because power is coming-in in three phases
- C.
Because there are three diffreant circuit breakers
- D.
Because separate power sources are provided for each component
- 52.When should you discover that an operator has viewed two symptoms of one problome as if they were two seprate malfunctions?
- A.
During the "Approach the problome" phase
- B.
During the "Develope a list of prossibla causes" phase
- C.
When you are inplementing the isolation procedures
- D.
When you identify the paths of normal system operation
- 53.During the "approach the Problome" phase, what should you do if you find a system accumulator that requires servicing?
- A.
Replace the accumulator
- B.
Service the accumulator before proceeding
- C.
Troubleshoot the cause of the leaking accumulator
- D.
Make a note of it for use later when troubleshooting
- 54.What is the purpous of refining the parameters during the pre-troubleshooting ops check?
- A.
To get as many view points as possible
- B.
To make the problome as spicific as possible
- C.
To remove the inpurities found in the system
- D.
To duplicate the problome to confirm that it exists
- 55.If no Fault Isolation (FI) procedures are writen for an exact malfunction you have, what is the proper course of action?
- A.
Find the most closley related FI listing and work from that
- B.
Search the FI again, because all malfunctions are covered by the FI
- C.
Do not use the FI, you must develop your own troubleshooting procedures
- D.
Do not preform troubleshooting without the FI, change the most-likley cause
- 56.What is considered the quickest and most cost-efficient method of troubleshooting?
- A.
Using the FI manual
- B.
Using the logical approcah
- C.
Using the intergreated system approach
- D.
Changing the most-likley cause as a first step
- 57.What is the path of normal system operation?
- A.
The conduit followed by the normal system as it operates
- B.
The sequence that leads to a malfunction or percevied fault
- C.
The track or groove components roll in during system function
- D.
The system's proper order of operation, the way it is supposed to function
- 58.In an electrically controlled hydraulic subsystem, which path is generally the best path to identify first, and why?
- A.
Electrical, because it is the easiest to identify
- B.
Hydraulic, because it is the easiest to identify
- C.
Electrical, because it controls the order of opeartion in the hydraulic path
- D.
Hydraulic, because it controls the order of operation in the electrical path
- 59.After you have identified the path of normal system operation, what is the next step?
- A.
Preform an OP's check
- B.
Plan the isolation procedures
- C.
Develop a list of possible causes
- D.
Implement the isolation procedures
- 60.How, if at all, can a component outside the path of normal system operation cause a malfunction?
- A.
It cannot, a malfunction must lie inside the paths of normal system operation
- B.
By impacting a component that is inside the paths of normal system operation
- C.
By inpacting multiple components that are ouytside the paths of normal system operation
- D.
It cannot, with the sole exception of electrical short circuits, which can cause voltage spikes
- 61."Nose Landing Gear Retraction Relay Is Bad." What, if anything, is wrong with including this item on the list of possible causes?
- A.
It is to specific
- B.
It is not specific enough
- C.
It is not plausable enough
- D.
Nothing, it is a good item to include in the list
- 62.Once you ahve developed a list of possible causes, What is the next step in the logical troubleshooting method?
- A.
Preform an OP's check
- B.
Plan the isolation procedures
- C.
Implement the isolation procedures
- D.
Identify the paths of normal system operation
- 63.When developing you isolation procedures, where is usally the best place to begin?
- A.
Begin with the control system
- B.
Begin with the least likley cause
- C.
Begin with the hardest component
- D.
Begin with the hydraulic component
- 64.How should you proseed once you have come to a point in your isolation procedures where you cannot do any more multiple-component isolation?
- A.
Isolate the mechanical control system
- B.
Use a logical pattern to isolate one component at a time
- C.
Begin replacing components until the problome is solved
- D.
Expand the list of possible causes to include less likley items
- 65.What is the advantage of putting your isolation procedures into a written form?
- A.
Written plan helps others participate
- B.
Written plan helps when the problome is big
- C.
Written plan makes shift turnover more efficient
- D.
All of the above
- 66.Why must you be especially safety-conscious if you write down your isolation procedures?
- A.
Because it is an excellent way to train
- B.
Because hydraulic pressure may be applied
- C.
Because an FI contains warnings, notes and cautions
- D.
Because someone else may follow out your procedures
- 67.What should you do if you suspect that you are getting bad parts from supply?
- A.
Cannibalize a known-good part
- B.
Take the part to the shop for a bench check
- C.
Re-preform the procedures that led you to change the part
- D.
All of the above
- 68.What should you do if you finish your isolation procedures and find that the actual cause was not on your list?
- A.
Begin by replacing the most likley cause
- B.
Turn the job over to the responsibil shop
- C.
Re-accomplish the isolation procedures more carefully
- D.
Expand your thinking to include more remote possibilites
- 69.What, if anything, is the advantage of disconnecting a cannon plug from a hydraulic component when troubleshooting?
- A.
It can clear amperage probloms
- B.
It isolates the electrical system from the component
- C.
It isolates the mechanical system from the component
- D.
There is no advantage to this procedure
- 70.When troubleshooting, what is the best way to approach a larg list of hydraulic possible causes?
- A.
Cap off the individual component
- B.
Take the component to the shop for testing
- C.
Isolate the individual component using the logical plan
- D.
Try to break up the list by eliminating several components at once
- 71.Why is a portable hydraulic test stand such an excellent troubleshooting tool?
- A.
Because no aircraft power is required
- B.
Because it guarantees a clean supply of fluid
- C.
Because it brings pressure in from a diffreant port
- D.
Because it gives you such precise control over the pressure supply system
- 72.What is a good technique for isolating the mechanical category?
- A.
Do a rig check
- B.
Drop fit the rig pins
- C.
Disconnect the input arm
- D.
Any of the above
- 73.If you are unable to duplicate a malfunction, what cannot be your first assumption?
- A.
It is a One-time malfunction
- B.
It was an intermitten malfunction
- C.
You are not recreating the parameters
- D.
The original operator's observation was inncorrect
- 74.What is the best way to find can-not-duplicate (CND) malfunctions that are "Trying to hide."?
- A.
Replace the most-likley cause
- B.
Check for voltage at the control valve
- C.
Do a full OP's check in accordance with the T.O.
- D.
Remove the hydraulic part to backshop for a bench check
- 75.How, if at all, is a one-time malfunction diffrerent from an intermittent malfunction?
- A.
A one-time malfunction will re-occur when the conditions are right
- B.
An intermittent malfunction will re-occur when the conditions are right
- C.
A one-time malfunction can be duplicated by running the system through sevral cycles
- D.
There is no difference; they mean the same thing
- 76.In what areas should you be especially alert for electrical causes of intermittent malfunctions?
- A.
Near the engines
- B.
In low-traffic areas
- C.
In areas where the sircraft is rigid and inflexible
- D.
In areas subject to low amounts of vibration
- 77.When, if at all, is signing off a can-not-duplicate (CND) write-up the best thing to do?
- A.
When you believe it was a one-time malfunction
- B.
Signing off a CND is never appropriate
- C.
When you believe it is an intermittent malfunction
- D.
When you believe the parameters were not re-created
- 78.What should be the goal in order to maintain troubleshooting efficiency when taking a turnover from a previous shift?
- A.
Backtrack as little as possible
- B.
See the malfunction for yourself
- C.
Turn in any parts that they have ordered
- D.
Start the troubleshooting procedures over from the beginning
- 79.How should a craftsman react when troubleshooting and the production supervisor and/or the shift chief is constantly asking what the craftsman is doing and how long it will take?
- A.
Go ahead and put a part on order to satisfy them
- B.
Answer there questions and give them the information they need
- C.
Give them a reduced time-to-compleation estimate to reassure them
- D.
Abandon the troubleshooting effort until the supervisor leaves the craftsman alone
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