2A656 CDC 2

1. When striking an object with a hammer, the hammer face should be?

Parallel to the work

Offset to the work

Slightly angled

Slightly open

2. One advantage of box-end wrenches is that they?

Are the fastest to use

Can be hammered on saftley

Are not likely to slip off the nut

Are easy to use on recessed bolts

3. Before storing a tourque wrench you have used, you should?

Lubricate it with a light oil

Set it at its lowest setting

Check it for accuracy

Set it at zero setting

4. How should you remove excess solder from the soldering iron tip?

Give the iron a quick flip

Wipe the iron on a damp sponge of rag

Gently tap the iron on a trash can edge

Let the iron cool and file away excess

5. A permanant magnet?

Loses its retentivity

Keeps its magnetism

Loses its permiablility

Keeps small amounts of reluctance

6. What process transfers electrical energy from the primary to the secondary winding of a transformer?

Energy transformation

Mutual induction

Reluctance

Radiation

7. Screwdrivers are sized by the length of the?

Blade

Shank

Handle

Ferrule

8. Prior to soldering electronic equipment, ensure the equipment is?

Disconnected from the power source

Connected to the power source

Protected from voltage spikes

Properly grounded

9. How should you test the heat of a soldering iron?

Submerge the tip in flux

Hold the tip near your face

Touch the tip to the solder, near your body

Touch the tip to the solder, away from your body

10. The greater the current flow through an electromagnet, the?

Greater the retentivity

Lesser the field strength

Greater the field strength

Higher the core reluctance

11. A precaution concerning tourque wrenches is to?

Never use an extension with a tourque wrench

Never use another wrench to secure a bolt before torquing

Never use a tourque wrench that has been dropped unless it has been verified

Always calculate the leverage advantage before using a tourque wrench above its rated compacity

12. What do you use as junction points for circuits that are frequently disconnected?

Conneector plugs

Terminal boards

Shielded wires

Splices

13. When tourquing a bolt assembly, what is the force applied to overcome friction?

Torsion

Tension

Tensile

Shear

14. Wire insulation may consist of several layers of nonconducting material that provides?

Thermal protection and fluid resistance

A method of identification

Protection from freezing

Strength and flexibility

15. When heat is applied to thermofit material, which is used in compact wire bundles, it will shrink by at least?

One and a half times its original diameter

One-fourth its original diameter

One-half its original diameter

One time its original diameter

16. Oxide film is removed from the surface of metals durning the soldering process by the use of?

A bristle brush

The soldering flux

A soldering iron tip

An approved solvent

17. Thermal shunts are used in soldering because they?

Make the part heat faster

Protect heat-sensitive components

Keep the lead and component at the same temperature

Give good holding action to the component being soldered

18. An acceptable tinned wire has?

No insulation clearance and wire strands covered with solder, but still visible

No insulation clearance and wire starands covered in solder, but not visible

An insulation clearance equal to the diameter of the wire and wire strands covered with solder, but still visible

An insulation clearance equal to the diameter of the wire and wire strands partially covered with solder, and still visible

19. Which wrench is usually the strongest, fastest, and safest to in a tool hit?

Socket

Box-end

Open-end

Adjustable

20. When installing a cotter pin, ensure the prong that bends over the bolt shank does not exceed the bolt nut?

Grip

Width

Length

Diameter

21. Which technical order (TO) provides instructions for the Brady Wire Making System?

00-20-1

00-20-2

1-1A-8

1-1A-14

22. All of these areas are prone to corrosion, except

Where dissimilar metals contact.

Fittings and plumbing.

Overlapping joints.

Flat, coated surfaces.

23. In measuring an unknown voltage with a voltmeter, what range should you use first?

Ohmmeter range

Mid-meter range

Lowest meter range

Highest meter range

24. Never use cushioned clamps in any bonding or grounding connection, because the cushion acts as?

A conductor

An insulator

A semi conductor

An alternate path for current

25. You can best determine a soldered connection's quality by?

Reducing it slightly

Prying on it with a soldering aid

Giving it a thorough visual inspection

Pulling on it gently with your fingers

26. The intensity of electrical current flow is measured in?

Volts

Cycles

Amperes

Coulombs

27. The current in a two-phase induction motor is?

Reversed 60 times a second

Purely direct current (DC)

90 degrees out of phase

In phase

28. What is the minimum personal protective equipment (PPE) you are required to wear when performing routine nickel-cadmium (Ni-Cad) battery maintenance?

Face shield and apron.

Rubber gloves and apron.

Face shield, rubber apron and rubber gloves.

Rubber gloves, face shield, and rubber boots.

29. How many British thermal units (BTUs) does it take to raise the temperature of 5 pounds of water 5 degrees F?

1

5

17

25

30. In a series circuit, when 24 volts is applied and total resistance os 6 ohms, what is the amperage?

2 amps

4 amps

6 amps

12 amps

31. To compute capacitance, you must know the?

Size of the plates, voltage applied, and current flow

Size of the capacitor, voltage applied, and current flow

Plate area, distance between the plates, and type of dielectric

Distance between plates, type of dielectric, and voltage applied

32. The capacity of a lead-acid battery is measured in

Ampere hours.

Specific gravity.

Amps.

Volts.

33. What type of gauge would you use to measure an actuating switch clearance?

Gap

Thread

Pressure

Thickness

34. Wires and wire bundles should be supported by clamps or grommets at intervals of no more than?

15 inches

20 inches

24 inches

26 inches

35. Which color code and corresponding wire sizes are valid for a preinsulated terminal?

Yellow- 12 and 10

Brown- 22 and 20

Blue- 20 and 18

Red- 16 and 14

36. When marking wire connections to turret terminals, wrap the wire around the terminal at least?

90 degrees

180 degrees

270 degrees

360 degrees

37. What unit is used as a circuit-controlling device?

Fuse

Switch

Current limiter

Circuit breakers

38. How do you connect an ammeter in a circuit?

In series

In parallel

With a resistor

With a capacitor

39. What kind of pliers are good for pulling cotter pins?

Snap rings

Vise grip

Long-nose

Diagonal cutting

40. When filing aluminum or lead, you should use?

Rasp

Scribe

Mill file

Triangular file

41. What do you have when you have a cold solder joint?

Low resistance to current

High resistance to current

An acceptable solder joint

A bright and shiney solder joint

42. How should a clinched-lead terminal lay in respect to the printed circuit pad?

90 degrees from the pad

180 degrees from the pad

Flat on the pad and in the direction of the printed circuit wiring pattern

Flat on the pad facing away from the direction of the circuit wiring pattern

43. Which logic gate has a high output when all inputs are low?

OR

AND

NOR

Inverted

44. The neutralizing agent for sulfuric acid is

Bicarbonate of soda.

Distilled water.

Boric acid.

Water.

45. Tubing used in aircraft oxygen, fuel, lubrication, fire extinguishing, instruments, hydraulic, and vent lines is?

Stainless steel and teflon alloy

Stainless steel and copper tubing

Aluminum alloy and copper tubing

Aluminum alloy and stainless steel

46. A properly installed bolt has a minimum of how many threads protruding through the nut?

Four

Three

Two

One

47. After the first hour a nickel-cadmium (Ni-Cad) battery is under test, how often should you monitor the individual cells?

10-minute intervals.

15-minute intervals.

20-minute intervals.

25-minute intervals.

48. The voltmeter indicates voltage, but it actually measures?

Electron potential

Circuit difference

Current

Power

49. What are the four range settings on the Fluke multimeter?

5, 50, 500, 1000

6, 60, 600, 1000

5, 50, 500, 2000

6, 60, 600, 2000

50. When joining copper and aluminum terminal lugs together on the same terminal board stud, separate them with?

A steel washer

A copper washer

A cadmium-plated washer

An aluminum-alloy washer

51. The phase angle of an alternating current (AC) sine wave is measured in?

Hertz

Seconds

Minutes

Degrees

52. The number of cells in a normal nickel-cadmium (Ni-Cad) battery for a 24-volt aircraft system is

12

14

19

24

53. The last verification date on a tourques wrench must not exceed?

60 workdays

30 workdays

60 calender-days

30 calender-days

54. What is the heaviest duty soldering iron you normally use in soldering a printed circuit board?

20 watts

27 watts

30 watts

35 watts

55. Which choice best describes a good solder connection?

A dull grey appearance

No pits or holes and has a good concave fillet

No pits or holes and has a good convex fillet

Bright and shiny with a minimum of pits or holes

56. Unclinched-lead terminations are of what type?

Special

Convex

Standard

Concave

57. How should you hold a printed circuit board to desolder a component?

Flat

Vertically

Horizontally

45 degrees from vertical

58. When repairing a damaged terminal on a circuit board, the replacement foil should overlap the connecting circuit conductor by at least?

1.250 inch

0.250 inch

0.125 inch

0.0125 inch

59. The rule that indicates the direction a current-carrying conductor will move in a magnetic field is the?

Right hand rule for motors

Left hand rule for motors

Right hand rule for coils

Left hand rule for coils

60. The effective electromotive force (EMF) in a motor is made up of?

Induced voltage divided by the applied voltage

Applied voltage plus counter-EMF (CEMF)

Induced voltage times the applied voltage

Applied voltage minus CEMF

61. You would troubleshoot a 28-volts direct current (VDC) circuit for a blown fuse (short) with a/an

Ammeter.

Ohmmeter.

Voltmeter.

Wheatstone bridge.

62. A Ni-Cad battery's separators are made of a combination of nylon and cellophane, or of a material called

Microporous rubber.

Metallic cadmium.

Nickel oxide.

Permion.

63. After a bonding or grounding jumper is insulated, it should read no more than?

0.02 ohms

0.01 ohms

0.2 ohms

0.1 ohms

64. In order to clean a plated soldering tip, use?

A fine file while the tip is cold

A course file while the tip is hot

An abrasive cloth while the tip is hot

An abrasive cloth while the tip is cold

65. To clean tinned, lead-plated circuit boards, use?

A medium-bristle brush and alcohol

A stiff-bristle brush and alcohol

An eraser and approved solvent

An approved solvent

66. What half-wave rectifier component limits the peak current?

Surge Resistor

Transistor

Capacitor

Diode

67. What reading would the ohmeter display for a shorted component in a series-parelle circuit?

Resistance of the other resistors

Lower than normal or zero

Higher than normal

Infinity

68. The indent-type crimping tool should be used only on?

Preinsulated splices

Preinsulated terminals

Noinsulated terminals

Noninsulated terminal boards

69. You must repair a circuit board conductor if it has a nick that extends what part of its width?

10 percent

15 percent

20 percent

25 percent

70. Transformers in low-frequency circuits require a?

Core of high-reluctance magnetic material

Core of low-reluctance magnetic material

Turns ratio of at least 10:1

Turns ration of at least 5:1

71. During soldering, apply the proper amount of solder directly to the?

Iron tip

Component

Connection

Heat bridge

72. To find the total resistance in a series-parallel circuit, you must?

Know the total current flow

Divide current flow by the applied voltage

Add the total resistance of the parallel part to the total resistance of the series part

Add the sum of the resistance in the parallel part to the resistance of the series resistor

73. The full-wave rectifier is used in?

Low-voltage circuits only

Low-voltage and high voltage circuits

High-voltage circuits with a transformer only

High-voltage circuits with high current output only

74. To connect wires or component leads to flat perforated terminals, the wrap must be?

45 degrees

60 degrees

90 degrees

180 degrees

75. When soldering a module-type package to a printed cicuit board, ensure the connection is soldered within?

3 seconds

5 seconds

7 seconds

10 seconds

76. The total resistance in a parallel circuit is always?

Equal to the largest resistance in the circuit

Equal to the smallest resistance in the circuit

More than the largest resistance in the circuit

Less than the smallest resistance in the circuit

77. In an electronic voltage regulator, the series transistor acts like a?

Zener diode

Fixed resistor

Blocking diode

Variable resistor

78. Applied voltage in a parallel circuit is 12 volts, and there are two parallel branches with one 6-ohm resistor in each branch. The voltage drop across each resistor is?

2 volts

6 volts

12 volts

24 volts

79. What part of an induction motor is alternating current (AC) power connected to directly?

Brushes

Armature

Commutator

Stator windings

80. If more than one reed is vibrating, you can determine which vibrating-reed frequency meter reading is right by the

One that is vibrating the most.

Two that are vibrating the most.

One that has the highest frequency.

Two that have the highest frequencies.

81. What does a larger terminal symbol indicate on a polarized connector?

The power side of the circuit

A direct current (DC) circuit

The ground side of the circuit

An alternating current (AC) circuit

82. The vent plug on a nickel-cadmium (Ni-Cad) battery cell opens to relieve pressure in pounds per square inch (psi) between

2-10 psi.

5-15 psi.

12-20 psi.

15-25 psi.

83. What is used to check the electrolyte level in a nickel-cadmium (Ni-Cad) battery?

Self leveling syringe.

Visual inspection.

Hydrometer.

Glass tube.

84. You should clean the circuit board connection within how long after it has cooled?

30 minutes

60 minutes

90 minutes

120 minutes

85. The A510A load bank is designed to apply resistive loads in KiloWatts (kW) and reactance loads in Kilo Volt Ampere Reactance (kVAR) up to

67.5 kw or 45 kVAR.

60 kw or 60 kVAR.

57.5 kw or 45 kVAR.

40 kwW or 60 kVAR.

86. What is the minimum amount of time that a sealed lead-acid battery (SLAB) servicing record must be maintained after a battery has been issued to the flight line?

6 months.

12 months.

18 months.

24 months.

87. Which corrosion is a result of a direct chemical attack?

Electrolytic.

Galvanic.

Uniform etch.

Concentration cell.

88. What technical order (TO) covers the RF80-K Charger/Analyzer?

32C3-2-112-1.

32D3-2-112-1.

35C3-2-112-1.

35D3-2-112-1.

89. What is the difference between the PNP and NPN transistor symbols?

NPN current flows with the arrow as in P-N diodes

In the PNP, the arrow points toward the collector

The direction of the arrow on the collector lead

The direction of the arrow on the emitter lead

90. The transistor amplifier configurations that have their signal voltages in phase are the common?

Base and common emitter

Base and common collector

Emitter and common collector

Emitter, common base, and common collector

91. You should use the X-1A thermoswitch tester's medium position to test switches with a Fahrenheit range of

300 to 600°.

400 to 700°.

600 to 800°.

700 to 1000°.

92. If a circuit has two equal resistors connected in series, a voltmeter connected across an open resistor will read

Zero.

Infinity.

Applied voltage.

Half the applied voltage.

93. In a circuit with both coils and capacitors, voltage and current will be?

In phase

Out of phase

90 degrees out of phase

180 degrees out of phase

94. When an electronic voltage regulator's input voltage first increases?

Load resistance decreases

Zener diode current decreases

Series transistor bias decreases

Voltage across the load decreases

95. What must be done to apply a reactive load to a generator under test?

Load a power factor.

Apply a resistive load.

Do not load a power factor.

Load bank control does it automatically.

96. What do you use to adjust a nickel-cadmium (Ni-Cad) battery's electrolyte level?

Polythylene wash bottle.

Rubber squeeze bottle.

Self-leveling syringe.

Measuring cup.

97. If you're troubleshooting a parallel circuit with one leg or branch open, what kind of amperage reading does an ammeter connected in a series with the whole circuit display?

Low

High

Zero

Normal

98. The basic function of electricity is to?

Develop energy

Create energy

Destroy energy

Transfer energy

99. The thermoswitch tester can check switches with a Fahrenheit range of

0 to 700°.

0 to 1,000°.

200 to 700°.

200 to 1,000°.

100. In using a voltmeter to check a circuit for an "open" in a direct current (DC) circuit, you must

Connect the meter in series with the circuit.

Observe polarities in the circuit.

Disconnect power.

Isolate the circuit.