Management Quiz

1. In the atom, what electrons contain the most energy?

The energy is shared equally by all electrons

Orbiting electrons

Valence electrons

K shell electrons

2. What is the simplest form of matter?

Element

Mixture

Electrons

Compound

3. What component of the A/M32A-60A lubrication system on a gas turbine engine draws excess oil from the gear case?

Oil cooler

Main oil pump

Scavenge pump

Oil jet assembly

4. If the size of the plates of a capacitor is increased, how is capacitance affected?

Capacitance increases

Capacitance decreases

Electrons are distorted and scattered

Electrostatic force between the plates decreases

5. What gas turbine engine component is specifically designed to break if the engine locks up?

Second stage impeller

First stage diffuser

Compressor shaft

Torsion shaft

6. What are factors that affect the resistance of a material?

Area, weight, and state of material

Area, temperature, and type of material

Temperature, weight, and state of material

Temperature, type of material, and state of material

7. What is the difference between an open and a short?

An open causes resistance to decrease; a short causes resistance to increase

Excessive current flow in an open circuit; no current flow in a shorted component

No current flow in an open circuit; excessive current flow in a shorted component

Minimum voltage development across the open component; maximum voltage development across the shorted component

8. Voltage induced into a conductor by the expanding and collapsing of a magnetic field is

Magnetism

Reluctance

Direct current

Electromagnetic induction

9. What type of transformer contains more turns in the primary winding than in the secondary winding?

Current

Step up

Rectifier

Step down

10. What is the primary use of a silicon-controlled rectifier (SCR)?

Electronic switch

Voltage regulator

Circuit amplifier

Spike protector

11. What is the major difference between an NPN transistor and a PNP transistor?

A PNP transistor can only be used as a regulator

An NPN transistor can only be used as a switch

Direction of current flow

Number of junctions

12. During the operation of a A/M32A-60A generator set, you noticed the exhaust gas temperature is excessively high. What is the probable cause of this trouble?

Air oil seals

Fuel atomizer

Torus assembly

Pneumatic thermostat

13. In an inductor, what happens to the magnetic lines of force if the diameter of the core is increased in size?

Permeability decreases

Magnetic field decreases

Induction of the coil increases

Induction of the coil decreases

14. What action occurs when the B809A generator set alternating current (AC) card senses an AC supply fault?

Only generator output stops

Only the AC contactor opens

AC supply warning light illuminates

AC contactor opens and generator output stops

15. If a small potential is applied to the gate of a silicon-controlled rectifier (SCR), the

Middle junction of the SCR is reverse biased and the SCR turns off

Middle junction of the SCR id forward biased and the SCR turns on

Depletion region increases in size and blocks current flow

Depletion region decreases in size and stops current flow

16. What B809A generator set engine safety circuit incorporates a seven-second time delay before activation?

Low fuel fault

Overspeed fault

Low lube pressure

Coolant temperature

17. What is the basic principle of operation for transformers?

Mutual induction

Magnetic induction

Counterelectromotive force

Primary and secondary induction

18. The portion of the voltage regulator that supplies exciter field voltage is transformer

(T1) and rectifier (B3)

(T3) and rectifier (B2)

(T2) and rectifier (B1)

(T1) and rectifier (CR26)

19. What component controls the strength of the A/M32A-86D generator exciter field L2?

Excitation relay K16

Time delay relay K14

Voltage regulator VR1

Automatic manual switch S1

20. The emitter in a uni-junction transistor always points toward the

Base 1 lead

Collector

Emitter

Gate

21. Refer to foldout 1 (volume 1). Where is the best point to check voltage to the A/M32A-86D generator exciter field?

J8, terminal D-F

J8, terminal V-X

VR1, terminal C-R

Automatic-manual switch S1

22. The electrostatic fields around a positive ion move

Inward

Outward

Inward, then outward

Outward, then inward

23. Convert 500 milliamps to standard amperage.

.005 amps

.05 amps

.5 amps

50 amps

24. The area of a semiconductor where P-type material is joined to N-type material is known as

Dielectric region

Depletion region

Depletion field

PN region

25. While operating an A/M32A-86D at governed speed, you place S13 in the buildup position and the undervoltage light comes on. What is the probable cause of this trouble?

Voltage regulator

Plug interlock relay

Memory time delay relay

Overvoltage/undervoltage relay

26. Atoms having more than four electrons, but less than eight are known as

Insulators

Conductors

Stable atoms

Semiconductors

27. In a series-parallel circuit, the series current at I1 = 9 amps; in the two parallel branches, I2 = 5 amps; and the value of I3 is not listed. Use Ohm's law to find the value of I3 and IT.

I3 = 5 amps and IT = 14 amps

I3 = 4 amps and IT = 9 amps

I3 = 4 amps and IT = 18 amps

Not enough information to solve

28. In a circuit using a bridge rectifier, how many diodes are forward biased during the first cycle of alternating current (AC)?

4

3

2

1

29. If a schematic diagram doesn't list a reference for the zener diode, the diode is probably being used as a

Reference

Normal diode

Spike protector

Voltage regulator

30. How many junctions are in a uni-junction transistor (UJT)?

1

2

3

4

31. What are the three leads in a uni-junction transistor (UJT) called?

Anode, cathode, and gate

Emitter, base 1, and base 2

Emitter, collector, and base

Common emitter, common collector, and common base

32. What component on the B809A generator set fuel system distributes and delivers an accurate amount of fuel to the engine cylinders?

Injector pump

Transfer pump

Injector nozzles

Throttle actuator

33. In a series-parallel circuit, find RT if series resister R1 = 7 ohms, and parallel resistors R2 and R3 = 8 ohms.

23 ohms

15 ohms

11 ohms

8 ohms

34. How many electrons does the valence band of an intrinsic semiconductor have?

3

4

5

6

35. In what position must the line drop switch be placed when adjustments are made to a voltage regulator?

ON

OFF

Adjust

Regulator

36. An A/M32A-86D is operating and the alternating current (AC) voltmeter is reading 200 volts alternating current (VAC) on all three phases. What do you do?

Adjust VR1

Adjust R61

Adjust VR1 or R61

Switch S15 to the L-N position

37. Use the power factor meter on an A/M24T-8 load bank

During resistive load tests

When measuring true power

When measuring apparent power

During performing resistive and reactive load tests simultaneously

38. What is the resistance in a circuit if the power rating is 40 watts and the total current is 2 amps?

40 ohms

20 ohms

10 ohms

0.5 ohms

39. In the lubrication system of the A/M32A-60A gas turbine engine, how does the oil pressure relief valve control the output of the main oil pump?

Through the filter bypass valve

Through the oil pressure sequencing switch

It bypasses excess oil back to the oil filter inlet

It bypasses excess oil back to the main pump inlet

40. Refer to foldout 5 (volume 1). You're out on the flight line checking the fuel levels on power units and, as you pull up to an A/M32A-60A, you notice a puddle of liquid. As you investigate further, you see that fuel is coming out of the main tank fuel cap. What is the probable cause of this trouble?

S20A failed to close

S20B failed to close

S18 failed to close

S9 failed to close

41. While performing an operational check on the A/M32A-60A generator set, you notice the unit is only operating at 97 percent. What is the probable cause of this trouble?

110 percent centrifugal switch

Fuel pump and control unit

Acceleration limiter valve

Governor trim control

42. What statement best describes a capacitive circuit?

Current leads applies voltage by 90 degrees.

Applied voltage leads current by 90 degrees.

Has the ability to conduct in one direction and not the other.

Has the ability to conduct in all directions when gated or discharged.

43. How is a zener diode connected in a circuit to regulate voltage?

In parallel to the load

In series with the load

In parallel to the resistor

In seriees with the resistor

44. If the arrow in a bipolar transistor is pointing away from the base, what type of transistor is it?

N-type

P-type

NPN

PNP

45. If a zener diode is installed in the forward bias mode in a circuit, it acts as a

Regular diode

Spike protector

Voltage reference

Voltage regulator

46. Refer to foldout 1 (volume 1). You are operating an A/M32A-86D generator set at governed speed, but voltage doesn't build up. What is the probable cause of this trouble?

S1 is in the automatic position

R61 is turned fully clockwise

K16 contacts are closing

K23 contacts are open

47. You are driving on the flight line and notice an A/M32A-86D power unit with all the fault lights on. You try to reset S23, but the lights stay on. What is the probable cause of this trouble?

S30 is shorted

S23 is stuck open

K17 contacts are closed

K23 contacts are closed

48. What contacts on the annunciator card of the B809A generator set control the alternating current (AC) power input to the voltage regulator?

Engine fault

Regulator fault

Generator fault

Contactor fault

49. Refer to foldout 2 (volume 1). While operating a B809A generator, what switch is closed to provide potential to the exciter field?

S1, master switch

S5, run/idle toggle switch

S3, interlock toggle switch

PB2, output control pushbutton switch

50. Refer to foldout 1 (volume 1). During the operation of the A/M32A-86D generator set, the low coolant light (DS50) illuminates, but the unit does not shut down. What is the probable cause of this trouble?

A2

DS50

S55 is closed

S48 is closed

51. What condition is sensed by the direct current (DC) card on the B809A generator set?

Overtemperature

Underfrequency

Overfrequency

Low fuel

52. Refer to foldout 5 (volume 1). The direct current (DC) voltmeter on an A/M32A-60A fails to indicate during operation. What is the probable cause of this trouble?

K6 is defective

TR1 is defective

R6 requires adjustment

S4 is in the OFF position

53. What are the minority carriers in P-type material?

Holes

Protons

Neutrons

Electrons

54. What happens if the emitter-base (E-B) current is increased in a transistor amplifier?

Resistance decreases and current through the load circuit decreases

Current decreases through the emitter-collector (E-C) circuit

Resistance increases and current flow decreases

Current increases through the E-C circuit

55. Apparent power is measured in

Kilovolts (KV)

Kilowatts (KW)

Kilo-volt-amperes (KVA)

Kilo-watt-amperes (KWA)

56. A junction diode has how many PN junction(s)?

1

2

3

4

57. How is the zener diode connected in a circuit to protect the load?

In parallel to the resistor

In series with the load

In parallel to the load

Forward biased

58. Refer to foldout 1 (volume 1). During an operational check of the A/M32A-86D generator set, the shutdown solenoid energizes immediately after the engine run indicator illuminates. What is the probable cause of this trouble?

S48 open

S46 open

S49 shorted

S22 stuck open

59. Refer to foldout 1 (volume 1). Which statement best reflects what happens if S46 shorts during operation of an A/M32A-86D generator?

12 volts direct current (VDC) would be present at terminal A of S55

There would be no change to unit operation

M5 would go into an overspeed condition

S55 would cause L6 to de-energize

60. Refer to foldout 5 (volume 1). Your A/M32A-60A generator set has been on a Red X twice for "dead batteries". What is the probable cause of this trouble?

28 volts direct current (VDC) at TR1

K16 contacts stuck closed

D1 allowing voltage to R6

D1 open

61. What is the operating voltage of the blower motor and control relays on an A/M24T-8 load bank?

12 volts direct current (VDC)

28 VDC

120 volts alternating current (VAC)

208 VAC

62. What component of the voltage regulator compensates for losses in the power cable by sensing changes in current flow?

Load rheostat

No load rheostat

Line drop switch

Voltage adjustment rheostat

63. What controls the firing time of the uni-junction transistor (UJT)?

Intrinsic standoff ratio

Resistance in the circuit

Capacitance in the circuit

Resistance and capacitance in the circuit

64. The A/M32A-86D generator set is applying 115 volts alternating current (VAC) to the aircraft and all of a sudden the alternating current (AC) contactor opens and there is no voltage indication on M2. What is the probable cause of this trouble?

Load contactor

CR 17 forward biased

Overvoltage/undervoltage relay

Memory time-delay relay energized

65. Refer to foldout 5 (volume 1). During operation of the A/M32A-60A, you close S3, but the alternating current (AC) contactor light does not come on. What is the probable cause of this trouble?

CB1 opened

K11B energized

K11A de-energized

K11 contacts C and D opened

66. Refer to foldout 6 (volume 1). After you connect an A/M32A-60A to the A/M24T-8 load bank, you notice one of the blower motors isn't working on the load bank. What is the probable cause of this trouble?

CR1

CR2

S66 and S67

K3 energized

67. Refer to foldout 6 (volume 1). On an A/M24T-8 load bank, CR2 supplies 28 volts direct current (VDC) to operate the panel lights, the wind switch assembly, and the

Alternating current (AC) voltmeter

Transformer PT3

Blower motor B1

Blower motor B2

68. The silicon-controlled rectifier (SCR) has how many layers?

1

2

3

4

69. The rate adjustment screw in the A/M32A-60A is used to adjust the rate at which chamber

4 depressurizes

3 depressurizes

2 depressurizes

1 depressurizes

70. Refer to foldout 1 (volume 1). An A/M32A-86D generator set is sent to the shop on a red X for "will not apply power to the aircraft." During the operational check, you place S5 in the closed position and the contactor light illuminates. When you release the switch, the contactor opens. What is the probable cause of this trouble?

S2 is open

R46 is open

K2 is closed

K17 is closed

71. What signal powers the regulator card output pulse sent to the exciter field of the B809A generator?

28.5 volts direct current (VDC)

110 VDC

115 volts alternating current (VAC)

200 VAC

72. The amount of voltage it takes for a uni-junction transition (UJT) to fire is determined by the position

The emitter is placed on the N-type material

The emitter is placed on the P-type material

Of B1 and B2 on the P-type material

Of the UJT in the circuit

73. Refer to foldouts 6 and 7 (volume 1). If CB2 opens on the A/M24T-8 load bank, what effect does it have on load bank operation?

Alternating current (AC) load selection switches (S15 through S20) won't work

AC load selection switches (S15 through S20) work

AC load selection switches (S9 through S14) work

Blower motor B2 won't work

74. Refer to foldout 1 (volume 1). During operation of the A/M32A-86D generator set, you get no response when you place S13 in the GENERATE position. A check of voltage at J8, terminal N, shows 12 volts direct current (VDC). What is the probable cause of this trouble?

M4 is open

S53 is open

K23 is open

K16 is open

75. Refer to foldout 5 (volume 1). While operating an A/M32A-60A, you reset the alternating current (AC) contactor switch, but the voltage did not build up. What should have happened within the K11 relay?

K11A de-energized, opening N and P contacts

K11B energized, closing N and P contacts

K11B energized, opening N and P contacts

K11A energized, closing N and P contacts

76. Refer to foldout 1 (volume 1). After performing an operational check of the A/M32A-86D generator set, you proceed to shut the unit down. After the generator stops, you notice the engine on light continues to glow. What is the probable cause of this trouble?

S46 open

S48 open

S46 closed

S48 closed

77. Refer to foldout 6 (volume 1). The alternating current (AC) cable is plugged into the A/M24T-8 load bank input panel and both blower motors are turning, but nothing happens when you turn the shock load switches on. What is the probable cause of this trouble?

K110 is energized

K2 is de-energized

CB1 is malfunctioning

CR1 is malfunctioning

78. Refer to foldout 7 (volume 1). You are testing an alternating current (AC) generator and find B phase on the A/M24T-8 load bank isn't working. What is the probable cause of this trouble?

CB1

CR1

S56

S1

79. Refer to foldout 5 (volume 1). You place the start switch S7 on an A/M32A-60A to the ON position to start the turbine engine. The engine starts, but shuts down immediately after you release the switch. What is the probable cause of this trouble?

95 percent centrifugal switch

Turbine control relay K18

Oil pressure switch S11

Start switch S7

80. The circuit in a bipolar transistor that carries 5 percent of the current flow is the

Base circuit

Load circuit

Control circuit

Emitter-collector circuit

81. Refer to foldout 5 (volume 1). During the operation of the A/M32A-60A, the engine rotates, but there is no combustion. What is the probable cause of this trouble?

K8

L9

S13

S11

82. Refer to foldout 5 (volume 1). An A/M32A-60A comes into the shop on a Red X for "unit won't start." You do a quick check of the unit and find the panel lights, boost pump, and ready to load press-to-test light are working. What is the probable cause of this trouble?

S18 is closed

S8 is stuck closed

K4 is de-energized

S10 is in the OFF position

83.

Refer to foldout 7 (volume 1). What component supplies 28 volts direct current (VDC) to the variable load selector switches on an A/M24T-8 load bank?

CB1

CB2

PT1

PT2

84. Refer to foldout 6 (volume 1). You are testing a direct current (DC) generator and notice the panel lights and blower motor (B2) on the A/M24T-8 load bank are not working. Where would you start troubleshooting?

K1

K2

CR2

PT2

Management Quiz

1. In the atom, what electrons contain the most energy?

2.

What first name or nickname would you like us to use?

2. What is the simplest form of matter?

3. What component of the A/M32A-60A lubrication system on a gas turbine engine draws excess oil from the gear case?

4. If the size of the plates of a capacitor is increased, how is capacitance affected?

5. What gas turbine engine component is specifically designed to break if the engine locks up?

6. What are factors that affect the resistance of a material?

7. What is the difference between an open and a short?

8. Voltage induced into a conductor by the expanding and collapsing of a magnetic field is

9. What type of transformer contains more turns in the primary winding than in the secondary winding?

10. What is the primary use of a silicon-controlled rectifier (SCR)?

11. What is the major difference between an NPN transistor and a PNP transistor?

12. During the operation of a A/M32A-60A generator set, you noticed the exhaust gas temperature is excessively high. What is the probable cause of this trouble?

13. In an inductor, what happens to the magnetic lines of force if the diameter of the core is increased in size?

14. What action occurs when the B809A generator set alternating current (AC) card senses an AC supply fault?

15. If a small potential is applied to the gate of a silicon-controlled rectifier (SCR), the

16. What B809A generator set engine safety circuit incorporates a seven-second time delay before activation?

17. What is the basic principle of operation for transformers?

18. The portion of the voltage regulator that supplies exciter field voltage is transformer

19. What component controls the strength of the A/M32A-86D generator exciter field L2?

20. The emitter in a uni-junction transistor always points toward the

21. Refer to foldout 1 (volume 1). Where is the best point to check voltage to the A/M32A-86D generator exciter field?

22. The electrostatic fields around a positive ion move

23. Convert 500 milliamps to standard amperage.

24. The area of a semiconductor where P-type material is joined to N-type material is known as

25. While operating an A/M32A-86D at governed speed, you place S13 in the buildup position and the undervoltage light comes on. What is the probable cause of this trouble?

26. Atoms having more than four electrons, but less than eight are known as

27. In a series-parallel circuit, the series current at I1 = 9 amps; in the two parallel branches, I2 = 5 amps; and the value of I3 is not listed. Use Ohm's law to find the value of I3 and IT.

28. In a circuit using a bridge rectifier, how many diodes are forward biased during the first cycle of alternating current (AC)?

29. If a schematic diagram doesn't list a reference for the zener diode, the diode is probably being used as a

30. How many junctions are in a uni-junction transistor (UJT)?

31. What are the three leads in a uni-junction transistor (UJT) called?

32. What component on the B809A generator set fuel system distributes and delivers an accurate amount of fuel to the engine cylinders?

33. In a series-parallel circuit, find RT if series resister R1 = 7 ohms, and parallel resistors R2 and R3 = 8 ohms.

34. How many electrons does the valence band of an intrinsic semiconductor have?

35. In what position must the line drop switch be placed when adjustments are made to a voltage regulator?

36. An A/M32A-86D is operating and the alternating current (AC) voltmeter is reading 200 volts alternating current (VAC) on all three phases. What do you do?

37. Use the power factor meter on an A/M24T-8 load bank

38. What is the resistance in a circuit if the power rating is 40 watts and the total current is 2 amps?

39. In the lubrication system of the A/M32A-60A gas turbine engine, how does the oil pressure relief valve control the output of the main oil pump?

41. While performing an operational check on the A/M32A-60A generator set, you notice the unit is only operating at 97 percent. What is the probable cause of this trouble?

42. What statement best describes a capacitive circuit?

43. How is a zener diode connected in a circuit to regulate voltage?

44. If the arrow in a bipolar transistor is pointing away from the base, what type of transistor is it?

45. If a zener diode is installed in the forward bias mode in a circuit, it acts as a

46. Refer to foldout 1 (volume 1). You are operating an A/M32A-86D generator set at governed speed, but voltage doesn't build up. What is the probable cause of this trouble?

47. You are driving on the flight line and notice an A/M32A-86D power unit with all the fault lights on. You try to reset S23, but the lights stay on. What is the probable cause of this trouble?

48. What contacts on the annunciator card of the B809A generator set control the alternating current (AC) power input to the voltage regulator?

49. Refer to foldout 2 (volume 1). While operating a B809A generator, what switch is closed to provide potential to the exciter field?

50. Refer to foldout 1 (volume 1). During the operation of the A/M32A-86D generator set, the low coolant light (DS50) illuminates, but the unit does not shut down. What is the probable cause of this trouble?

51. What condition is sensed by the direct current (DC) card on the B809A generator set?

52. Refer to foldout 5 (volume 1). The direct current (DC) voltmeter on an A/M32A-60A fails to indicate during operation. What is the probable cause of this trouble?

53. What are the minority carriers in P-type material?

54. What happens if the emitter-base (E-B) current is increased in a transistor amplifier?

55. Apparent power is measured in

56. A junction diode has how many PN junction(s)?

57. How is the zener diode connected in a circuit to protect the load?

58. Refer to foldout 1 (volume 1). During an operational check of the A/M32A-86D generator set, the shutdown solenoid energizes immediately after the engine run indicator illuminates. What is the probable cause of this trouble?

59. Refer to foldout 1 (volume 1). Which statement best reflects what happens if S46 shorts during operation of an A/M32A-86D generator?

60. Refer to foldout 5 (volume 1). Your A/M32A-60A generator set has been on a Red X twice for "dead batteries". What is the probable cause of this trouble?

61. What is the operating voltage of the blower motor and control relays on an A/M24T-8 load bank?

62. What component of the voltage regulator compensates for losses in the power cable by sensing changes in current flow?

63. What controls the firing time of the uni-junction transistor (UJT)?

64. The A/M32A-86D generator set is applying 115 volts alternating current (VAC) to the aircraft and all of a sudden the alternating current (AC) contactor opens and there is no voltage indication on M2. What is the probable cause of this trouble?

65. Refer to foldout 5 (volume 1). During operation of the A/M32A-60A, you close S3, but the alternating current (AC) contactor light does not come on. What is the probable cause of this trouble?

66. Refer to foldout 6 (volume 1). After you connect an A/M32A-60A to the A/M24T-8 load bank, you notice one of the blower motors isn't working on the load bank. What is the probable cause of this trouble?

67. Refer to foldout 6 (volume 1). On an A/M24T-8 load bank, CR2 supplies 28 volts direct current (VDC) to operate the panel lights, the wind switch assembly, and the

68. The silicon-controlled rectifier (SCR) has how many layers?

69. The rate adjustment screw in the A/M32A-60A is used to adjust the rate at which chamber

71. What signal powers the regulator card output pulse sent to the exciter field of the B809A generator?

72. The amount of voltage it takes for a uni-junction transition (UJT) to fire is determined by the position

73. Refer to foldouts 6 and 7 (volume 1). If CB2 opens on the A/M24T-8 load bank, what effect does it have on load bank operation?

74. Refer to foldout 1 (volume 1). During operation of the A/M32A-86D generator set, you get no response when you place S13 in the GENERATE position. A check of voltage at J8, terminal N, shows 12 volts direct current (VDC). What is the probable cause of this trouble?

75. Refer to foldout 5 (volume 1). While operating an A/M32A-60A, you reset the alternating current (AC) contactor switch, but the voltage did not build up. What should have happened within the K11 relay?

76. Refer to foldout 1 (volume 1). After performing an operational check of the A/M32A-86D generator set, you proceed to shut the unit down. After the generator stops, you notice the engine on light continues to glow. What is the probable cause of this trouble?

77. Refer to foldout 6 (volume 1). The alternating current (AC) cable is plugged into the A/M24T-8 load bank input panel and both blower motors are turning, but nothing happens when you turn the shock load switches on. What is the probable cause of this trouble?

78. Refer to foldout 7 (volume 1). You are testing an alternating current (AC) generator and find B phase on the A/M24T-8 load bank isn't working. What is the probable cause of this trouble?

79. Refer to foldout 5 (volume 1). You place the start switch S7 on an A/M32A-60A to the ON position to start the turbine engine. The engine starts, but shuts down immediately after you release the switch. What is the probable cause of this trouble?

83.

Refer to foldout 7 (volume 1). What component supplies 28 volts direct current (VDC) to the variable load selector switches on an A/M24T-8 load bank?