P Post-test 3 (Aircraft Construction, Repair, and Modification)

1. Hot compressor bleed air operates the conditioned air system on some turbine aircraft, cold air supplied by the

A. hot air mixing valve.

B. sonic airflow control unit.

C. ram air cycle cooling unit.

D. All of the above

C. ram air cycle cooling unit

2. The reheating of a heat treated metal, such as with a welding torch

A. has little or no effect on a metal's heat treated characteristics.

B. has a cumulative enhancement effect on the original heat treatment.

C. can significantly alter a metal's properties in the reheated area.

D. All of the above

C. can significantly alter a metal's properties in the reheated area

3. Hydraulic fluid reservoirs are sometimes designed with a standpipe in one of the outlet ports in order to assure emergency supply of fluid. The outlet port with the standpipe in it furnishes fluid to the

A. emergency pump when the fluid supply to the normal system has been depleted.

B. emergency pump at any time it is required.

C. normal system power pump.

D. All of the above

C. normal system power pump

4. A sheet metal repair is to be made using two pieces of 0.0625-inch aluminum riveted together. All rivet holes are drilled for 1/8-inch rivets. The length of the rivets to be used will be

A. 5/32 inch.

B. 3/16 inch.

C. 5/16 inch.

D. None of the above

C. 5/16 inch

5. What condition would most likely cause excessive fluctuation of the pressure gauge when the hydraulic pump is operating?

A. Accumulator air pressure low.

B. Inadequate supply of fluid.

C. System relief valve sticking closed.

D. None of the above

B. Inadequate supply of fluid.

6. Generally, the first step in removing an accumulator from an aircraft is to

A. relieve system pressure.

B. discharge the preload.

C. drain the reservoir.

D. All of the above

A. relieve system pressure

7. The primary purpose of an aircraft's fuel jettison system is to quickly achieve a

A. lower landing weight.

B. balanced fuel load.

C. reduced fire hazard.

D. None of the above

A. lower landing weight

8. Which seals are used with petroleum base hydraulic fluids?

A. Polyester.

B. Butyl rubber.

C. Buna-N.

D. All of the above

C. Buna-N

9. What method is used to detect the thermal discharge of a built-in fire-extinguisher system?

A. A discoloring of the yellow plastic disk in the thermal discharge line.

B. A rupture of the red plastic disk in the thermal discharge line.

C. The thermal plug missing from the side of the bottle.

D. All of the above

B. A rupture of the red plastic disk in the thermal discharge line

10. An electric motor used to raise and lower a landing gear would most likely be a

A. shunt field series-wound motor.

B. split field shunt-wound motor.

C. split field series-wound motor.

D. All of the above

C. split field series-wound motor

11. The preferred location of a VOR antenna on light aircraft is on

A. the bottom of the fuselage and as far forward as possible.

B. top of the cabin with the apex of the V pointing forward.

C. top of the vertical stabilizer.

D. None of the above

B. top of the cabin with the apex of the V pointing forward.

12. Quick-disconnect couplings in hydraulic systems provide a means of

A. easily replacing hydraulic lines in areas where leaks are common.

B. quickly connecting and disconnecting hydraulic lines and eliminate the possibility of contaminates entering the system.

C. quickly connecting and disconnecting hydraulic lines without loss of fluid or entrance of air into the system.

D. All of the above

C. quickly connecting and disconnecting hydraulic lines without loss of fluid or entrance of air into the system

13. What are three methods of anti-icing aircraft windshields?

1. Blanket-type heating system.

2. An electric heating element in the windshield.

3. Heated air circulating system.

4. Hot water system.

5. Windshield wipers and anti-icing fluid.

6. Ribbon-type heating system.

A. 2, 3, 5.

B. 1, 2, 6.

C. 2, 3, 4.

D. All of the above

A. 2, 3, 5.

14. (1) The Federal Aviation Regulations require approval after compliance with the data of a Supplemental Type Certificate.

(2) An installation of an item manufactured in accordance with the Technical Standard Order system requires no further approval for installation in a particular aircraft.

Regarding the above statements,

A. only No. 2 is true.

B. neither No. 1 nor No. 2 is true.

C. only No. 1 is true.

D. All of the above

A. only No. 2 is true.

15. If one switch is used to control all navigation lights, the lights are most likely connected

A. in series with each other and parallel to the switch.

B. in series with each other and in series with the switch.

C. parallel to each other and in series with the switch.

D. All of the above

C. parallel to each other and in series with the switch

16. On transport category aircraft what might be an indication of an over pressure event of the aircraft oxygen system?

A. The green thermal expansion disk missing.

B. The green thermal expansion disk in the cockpit missing.

C. The green thermal expansion disk on the oxygen regulator missing.

D. None of the above

A. The green thermal expansion disk missing

17. Excessive wear in the center of the tread of an aircraft tire is an indication of

A. incorrect camber.

B. excessive toe-out.

C. overinflation.

D. All of the above

C. overinflation

18. If an engine-driven hydraulic pump of the correct capacity fails to maintain normal system pressure during the operation of a cowl flap actuating unit, the probable cause is

A. mechanical interference to the movement of the cowl flap.

B. a partial restriction in the inport of the selector valve.

C. restriction in the pump outlet.

D. None of the above

A. mechanical interference to the movement of the cowl flap

19. If a streamline cover plate is to be hand formed using a form block, a piece of dead soft aluminum should first be placed over the hollow portion of the mold and securely fastened in place. The bumping operation should be

A. distributed evenly over the face of the aluminum at all times rather than being started at the edges or center.

B. started by tapping the aluminum lightly around the edges and gradually working down into the center.

C. started by tapping the aluminum in the center until it touches the bottom of the mold and then working out in all directions.

D. None of the above

B. started by tapping the aluminum lightly around the edges and gradually working down into the center.

20. If a wire is installed so that it comes in contact with some moving parts, what protection should be given the wire?

A. Wrap with soft wire solder into a shield.

B. Wrap with friction tape.

C. Pass through conduit.

D. None of the above

C. Pass through conduit

21. If it is necessary to enter an aircraft's fuel tank, which procedure should be avoided?

A. Continue purging the tank during the entire work period.

B. Station an assistant outside the fuel tank access to perform rescue operations if required.

C. Conduct the defueling and tank purging operation in an air-conditioned building.

D. All of the above

C. Conduct the defueling and tank purging operation in an air-conditioned building

22. The sharpest bend that can be placed in a piece of metal without critically weakening the part is called the

A. bend allowance.

B. minimum radius of bend.

C. maximum radius of bend.

D. All of the above

B. minimum radius of bend

23. How can the direction of rotation of a dc electric motor be changed?

A. Interchange the wires which connect the motor to the external power source.

B. Reverse the electrical connections to either the field or armature windings.

C. Rotate the positive brush one commutator segment.

D. All of the above

B. Reverse the electrical connections to either the field or armature windings

24. Instrument static system leakage can be detected by observing the rate of change in indication of the

A. airspeed indicator after suction has been applied to the static system to cause a prescribed equivalent airspeed to be indicated.

B. altimeter after pressure has been applied to the static system to cause a prescribed equivalent altitude to be indicated.

C. altimeter after suction has been applied to the static system to cause a prescribed equivalent altitude to be indicated.

D. None of the above

C. altimeter after suction has been applied to the static system to cause a prescribed equivalent altitude to be indicated

25. When patching a plywood skin, abrupt changes in cross-sectional areas which will develop dangerous stress concentration should be avoided by using

A. circular or elliptical patches.

B. square patches.

C. doublers with any desired shaped patches.

D. All of the above

A. circular or elliptical patches

26. How should the splices be arranged if several are to be located in an electrical wire bundle?

A. Staggered along the length of the bundle.

B. Grouped together to facilitate inspection.

C. Enclosed in a conduit.

D. All of the above

A. Staggered along the length of the bundle

27. How many of the following are benefits of using microballoons when making repairs to laminated honeycomb panels?

1. Greater concentrations of resin in edges and corners.

2. Improved strength to weight ratio.

3. Less density.

4. Lower stress concentrations.

A. 2, 3, and 4.

B. 1, 2, and 4.

C. All of the above.

D. None of the above

A. 2, 3, and 4.

28. What method would be used to check for internal leakage of a fuel valve without removing the valve from the aircraft?

A. Place the valve in the OFF position, drain the strainer bowl, and with boost pump on, watch to see if fuel flows to the strainer bowl.

B. Remove fuel cap(s), turn boost pump(s) on, and watch for bubbling in the tanks.

C. Apply regulated air pressure on the downstream side of the fuel pump and listen for air passing through the valve.

D. All of the above

A. Place the valve in the OFF position, drain the strainer bowl, and with boost pump on, watch to see if fuel flows to the strainer bowl

29. With which system is differential control associated?

A. Trim.

B. Aileron.

C. Elevator.

D. None of the above

B. Aileron

30. Which of the following regulates the vacuum of the air pump to hold the deicing boots deflated when the pneumatic deicing system is off?

A. Distributor valve.

B. Pressure regulator.

C. Suction relief valve.

D. All of the above

C. Suction relief valve

31. If a fire extinguisher cartridge is removed from a discharge valve, it should be

A. pressure checked.

B. used only on the original discharge valve assembly.

C. replaced with a new cartridge.

D. None of the above

B. used only on the original discharge valve assembly

32. The purpose of a localizer is to

A. set the airplane on the proper approach angle to the runway.

B. indicate the distance the airplane is from the end of the runway.

C. align the airplane with the center of the runway.

D. None of the above

C. align the airplane with the center of the runway

33. Smoke detection instruments are classified by their method of

A. construction.

B. maintenance.

C. detection.

D. None of the above

C. detection

34. What is the means by which the FAA notifies aircraft owners and other interested persons of unsafe conditions and prescribes the condition under which the product may continue to be operated?

A. Airworthiness Directives.

B. Aviation Maintenance Alerts.

C. Aviation Safety Data.

D. None of the above

A. Airworthiness Directives

35. A capacitance-type fuel quantity indicating system measures fuel in

A. pounds.

B. pounds per hour.

C. gallons.

D. None of the above

A. pounds

36. Where are technical descriptions of certificated propellers found?

A. Applicable Airworthiness Directives.

B. Aircraft Specifications.

C. Propeller Type Certificate Data Sheets.

D. None of the above

C. Propeller Type Certificate Data Sheets

37. What is the minimum spacing for a single row of aircraft rivets?

A. Two times the diameter of the rivet shank.

B. Three times the length of the rivet shank.

C. Three times the diameter of the rivet shank.

D. All of the above

C. Three times the diameter of the rivet shank

38. For aircraft operated under part 91, what difference is there, if any, between the record entry requirements for maintenance (e.g., repair or alteration) and the record entry requirements for inspections (beyond the description of the work performed and the type and extent of inspection)?

A. There is no difference.

B. Aircraft total time is required to be included only in the maintenance entry.

C. Aircraft total time is required to be included only in the inspection entry.

D. None of the above

D. None of the above

39. Microbial growth is produced by various forms of microorganisms that live and multiply in the water interfaces of jet fuels. Which of the following could result if microbial growth exists in a jet fuel tank and is not corrected?

1. Interference with fuel flow.

2. Interference with fuel quantity indicators.

3. Engine seizure.

4. Electrolytic corrosive action in a metal tank.

5. Lower grade rating of the fuel.

6. Electrolytic corrosive action in a rubber tank.

A. 1, 2, 4.

B. 2, 3, 5.

C. 1, 5, 6.

D. None of the above

A. 1, 2, 4.

40. What is the purpose of a mixing valve in a compressor bleed air air-conditioning system?

A. Control the supply of hot, cool, and cold air.

B. Distribute conditioned air evenly to all parts of the cabin.

C. Combine ram air with conditioned air.

D. None of the above

A. Control the supply of hot, cool, and cold air

41. The function of a symbol generator (SG) in an EFIS is to

A. display alphanumeric data and representations of aircraft instruments.

B. allow the pilot to select the appropriate system configuration for the current flight situation.

C. receive and process input signals from aircraft and engine sensors and send the data to the appropriate display.

D. None of the above

C. receive and process input signals from aircraft and engine sensors and send the data to the appropriate display

42. The repair for an out-of-tolerance toe-in condition of main landing gear wheels determined not to be the result of bent or twisted components consists of

A. shimming the axle in the oleo trunnion.

B. inserting, removing, or changing the location of washers or spacers at the center pivotal point of the scissor torque links.

C. placing shims or spacers behind the bearing of the out-of-tolerance wheel or wheels.

D. All of the above

B. inserting, removing, or changing the location of washers or spacers at the center pivotal point of the scissor torque links

43. Which of the following must be accomplished when installing an anticollision light?

A. Install a switch independent of the position light switch.

B. Use shielded electrical cable to assure fail-safe operation.

C. Connect the anticollision light to the aircraft position light switch.

D. None of the above

A. Install a switch independent of the position light switch

44. What are three methods of anti-icing aircraft windshields?

1. Blanket-type heating system.

2. An electric heating element in the windshield.

3. Heated air circulating system.

4. Hot water system.

5. Windshield wipers and anti-icing fluid.

6. Ribbon-type heating system.

A. 2, 3, 5.

B. 1, 2, 6.

C. 2, 3, 4.

D. None of the above

A. 2, 3, 5.

45. When an aircraft altimeter is set at 29.92" Hg on the ground, the altimeter will read

A. pressure altitude.

B. density altitude.

C. field elevation.

D. None of the above

A. pressure altitude

46. A fully-charged hydraulic accumulator provides

A. air pressure to the various hydraulic components.

B. a source for additional hydraulic power when heavy demands are placed on the system.

C. positive fluid flow to the pump inlet.

D. None of the above

B. a source for additional hydraulic power when heavy demands are placed on the system

47. A voltage regulator controls generator output by

A. introducing a resistance in generator-to-battery lead in the event of overload.

B. shorting out field coil in the event of overload.

C. varying current flow to generator field coil.

D. None of the above

C. varying current flow to generator field coil

48. Hole filling fasteners (for example, MS20470 rivets) should not be used in composite structures primarily because of the

A. possibility of causing delamination.

B. increased possibility of fretting corrosion in the fastener.

C. difficulty in forming a proper shop head.

D. All of the above

A. possibility of causing delamination

49. When repairing large, flat surfaces with polyester resins, warping of the surface is likely to occur. One method of reducing the amount of warpage is to

A. add an extra amount of catalyst to the resin.

B. use short strips of fiberglass in the bonded repair.

C. use less catalyst than normal so the repair will be more flexible.

D. None of the above

B. use short strips of fiberglass in the bonded repair

50. Using a hand pump, pressure of 100 PSI has been built up in a hydraulic system. The hand pump piston is 1 inch in diameter. A 1/2-inch line connects the hand pump to an actuating cylinder 2 inches in diameter. What is the pressure in the line between the hand pump and the actuator?

A. 100 PSI.

B. 150 PSI.

C. 200 PSI.

D. None of the above

A. 100 PSI.