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Apprentice Diesel Technician > Communication - Part B A090101aB > Flashcards

Communication - Part B A090101aB Flashcards

Automotive Service Technician

1
Q
  1. Ackerman principle relates to:
    a) the operation of hydraulic shock absorbers.
    b) the design of rear suspension using coil springs and control arms.
    c) the angle of steering anns giving toe-out on turns.
    d) the angle difference between centre-line and thrust-line.
A
  1. c) the angle of steering arms giving toe-out on turns
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2
Q
  1. Anaerobic sealer is:
    a) an RTV silicone sealer.
    b) a sealer that cures in the absence of air.
    c) a sealer that cures in the presence of air.
    d) a type of epoxy sealer
A

b) a sealer that cures in the absence of air.

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3
Q
  1. Aspect ratio relates to:
    a) tire profile ratios.
    b) differential gear ratios.
    c) transmission ratios.
    d) torque ratios
A

a) tire profile ratios.

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4
Q
  1. A battery is:
    a) a device which stores electrical energy.
    b) a device which stores chemical energy.
    c) a device which converts chemical energy to electrical energy.
    d) both b and c.
A

d) both b and c.

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5
Q
  1. Bernoulli’s Principle is a scientific principle relating to:
    a) hydraulics.
    b) compression stroke.
    c) power stroke.
    d) venturi action.
A

d) venturi action.

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6
Q
  1. Brake fade is a term that relates to:
    a) excessive pedal travel.
    b) loss of braking power due to heat or contamination.
    c) a fading of lining colour due to heat.
    d) a pedal that is high when first applied then slowly sinks down.
A

b) loss of braking power due to heat or contamination.

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7
Q
  1. Butane is:
    a) C4H10.
    b) a fuel used in many disposable cigarette lighters.
    c) found in winter blend gasoline.
    d) all of the above.
A

d) all of the above.

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8
Q
  1. Carcinogen is a term that means:
    a) material that can cause cancer.
    b) fuel injector cleaner.
    c) fuel additive.
    d) oil additive.
A

a) material that can cause cancer.

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9
Q
  1. CFC-12 is:
    a) cash from customers over a 12 month period.
    b) critical flow chart for a 12 month period.
    c) another term for R-12 automotive refrigerant.
    d) car fuel consumption rate or 12 L per 100 km.
A

c) another term for R-12 automotive refrigerant.

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10
Q
  1. Closed circuit means:
    a) the circuit is closed down and current cannot flow.
    b) the circuit is completed and current can flow.
    c) the circuit has taken an alternate path.
    d) the circuit is in a feedback loop.
A

b) the circuit is completed and current can flow.

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11
Q
  1. A combination valve is used in:
    a) engines.
    b) brake systems.
    c) air conditioning compressors.
    d) carburetors.
A

b) brake systems.

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12
Q
  1. Constant mesh is a term that describes:
    a) gears that have a constant speed.
    b) a gear that has a constant torque.
    c) gears that are always in mesh together and never shifted out of mesh.
    d) gears that are constantly being shifted into mesh together.
A

c) gears that are always in mesh together and never shifted out of mesh

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13
Q
  1. CPU is an acronym for:
    a) crank pin utilization.
    b) central processing unit.
    c) characters per unit.
    d) crash protection unit.
A

b) central processing unit.

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14
Q
  1. DC is an abbreviation for:
    a) direct current.
    b) distributor connector.
    c) disc contact.
    d) drop centre.
A

a) direct current.

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15
Q
  1. DIS is an acronym for:
    a) distributor.
    b) discharge.
    c) digital ignition system.
    d) distributorless ignition system.
A

d) distributorless ignition system.

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16
Q
  1. Dog tracking is a term that refers to:
    a) camber out of specifications.
    b) caster out of specifications.
    c) thrustline too far off centreline.
    d) SAi out of specifications.
A

c) thrustline too far off centreline.

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17
Q

1 7. DTC is an acronym for:

a) digital terminal connector.
b) diagnostic trouble code.
c) dynamic tire condition.
d) deteriorating terminal condition.

A

b) diagnostic trouble code.

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18
Q
  1. Electron theory is a scientific theory that:
    a) direction of electron flow is from negative to positive.
    b) direction of electron flow is from positive to negative.
    c) electrons flow in both directions.
    d) electrons do not flow; voltage does.
A

a) direction of electron flow is from negative to positive.

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19
Q
  1. EPROM is an acronym that means:
    a) electrical power reduced on machinery.
    b) ethylene polymer refrigerant overfill mark.
    c) erasable programmable read only memory.
    d) electrons produced randomly on machinery.
A

c) erasable programmable read only memory

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20
Q
  1. Ethylene glycol is:
    a) the chemical base for gasoline.
    b) the chemical base for motor oils.
    c) the chemical base for brake fluid ..
    d) the chemical base for automotive antifreeze.
A

d) the chemical base for automotive antifreeze.

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21
Q
  1. Forward bias is a term that indicates:
    a) the cord structure of a bias ply tire.
    b) a diode which is connected so that current will flow.
    c) the direction a vehicle tends to travel.
    d) the tendency of a vehicle to travel straight ahead on turns.
A
  1. b) a diode which is connected so that current will flow.
22
Q
  1. A galvanometer is:
    a) a device used to galvanize steel.
    b) a device used to measure the thickness of the galvanized coating on steel.
    c) a device used to measure very small electrical current flow.
    d) a meter used to measure the gallons of coolant flow in the radiator.
A

c) a device used to measure very small electrical current flow.

23
Q
  1. A harmonic balancer is a component which:
    a) balances the harmony of radio speakers.
    b) balances tires as the vehicle travels.
    c) eliminates exhaust noise harmonically.
    d) mounts on the front of the crankshaft and absorbs power pulses.
A

. d) mounts on the front of the crankshaft and absorbs power pulses.

24
Q
  1. The heel of a brake shoe is:
    a) the trailing end of the brake shoe.
    b) the leading end of the brake shoe.
    c) the top of the brake shoe.
    d) the bottom of the brake shoe.
A

a) the trailing end of the brake shoe.

25
Q
  1. A hydrometer is a device for:
    a) testing the strength of antifreeze.
    b) testing the strength of battery electrolyte.
    c) both of the above.
    d) none of the above.
A

c) both of the above.

26
Q
  1. Hygroscopic is a word that refers to:
    a) the tendency of a product to absorb moisture.
    b) the weight compared to water.
    c) the tendency of fungus to grow in a moist enviromnent.
    d) a reading of a product’s specific gravity.
A

. a) the tendency of a product to absorb moisture.

27
Q
  1. A joule is:
    a) a prec10us gem.
    b) a metric unit of work or energy.
    c) a metric power rating.
    d) a metric current flow rating.
A

b) a metric unit of work or energy.

28
Q
  1. LED is an acronym for:
    a) lever effort device.
    b) light emitting diode.
    c) length equivalent dimension.
    d) low energy device.
A

. b) light emitting diode.

29
Q
  1. MIL is an acronym for:
    a) manufacturer’s information list.
    b) multiple index link.
    c) multiplexing information link.
    d) malfunction indicator lamp.
A

. d) malfunction indicator lamp

30
Q
  1. Multiplexing is a tenn which refers to:
    a) a set of several levers or a system of hydraulics and levers to create a high
    output force.
    b) a method of multiplying torque by using consecutive gear ratios.
    c) two or more microprocessors interfaced so they can share data.
    d) plexiglass made from multiple layers.
A
  1. c) two or more microprocessors interfaced so they can share data.
31
Q
  1. OBD II is an acronym for:
    a) standardized on board diagnostics systems.
    b) out back drainage, second generation.
    c) on the bottom drain with two tubes.
    d) orange/black direct link with bilateral communication.
A

a) standardized on board diagnostic system.

32
Q
  1. Open loop means:
    a) a round device with an opening.
    b) the fuel system computer is not adjusting fuel delivery in response to exhaust
    oxygen levels.
    c) a wire hoop.
    d) a light circuit with a broken wire.
A

. b) the fuel system computer is not adjusting fuel delivery in response to exhaust
oxygen levels.

33
Q
  1. Otto cycle is:
    a) the automatic cycling of a component.
    b) the on/off cycling of an air conditioning compressor.
    c) the principle of operation of the four stroke cycle engine.
    d) the principle of operation of a two stroke cycle engine.
A

. c) the principle of operation of the four stroke cycle engine.

34
Q
  1. Overdrive could be a gear ratio of:
    a) 2.5 : 1
    b) 0.75 : 1
    c) 1 : 1
    d) 4: 1
A

b) 0.75:1

35
Q
  1. Pascal’s Law relates to:
    a) compression of gases.
    b) combustion in an engine cylinder.
    c) the intake cycle of an engine.
    d) hydraulics.
A

d) hydraulics.

36
Q
  1. Plastigage™ is:
    a) a plastic micrometer.
    b) a plastic dial indicator.
    c) a malleable plastic thread.
    d) a plastic feeler gauge.
A

c) a malleable plastic thread.

37
Q
  1. Porosity is a quality designed into:
    a) sintered bronze bearings.
    b) battery plates.
    c) both of the above.
    d) none of the above.
A

c) both of the above: (a) sintered bronze bearings and (b) battery plates.

38
Q
  1. Propylene glycol is the base material for the manufacture of:
    a) automotive antifreeze.
    b) motor oil.
    c) automatic transmission fluid.
    d) gear oil.
A

a) automotive antifreeze.

39
Q
  1. Rectified means:
    a) damaged.
    b) changed from AC to DC current.
    c) repaired.
    d) restored.
A

b) changed from AC to DC current.

40
Q
  1. ROM means:
    a) read only memory.
    b) remove off mount.
    c) required on manufacture.
    d) repair on machine.
A

a) read only memory.

41
Q
  1. RTV means:
    a) recreational type vehicle.
    b) repair to vehicle.
    c) required transaxle volume .
    d) room temperature vulcanization.
A

d) room temperature vulcanization.

42
Q
  1. SAE is an acronym identifying:
    a) standard automotive engines.
    b) standards for all equipment.
    c) society of automotive engineers.
    d) safe automotive engineering.
A

c) society of automotive engineers.

43
Q
  1. Side draft is a term that refers to:
    a) a type of carburetor.
    b) an air leak.
    c) a type of spoiler.
    d) air flow past the side of the car body.
A

a type of carburetor.

44
Q
  1. SIR is an acronym referring to:
    a) a very important person.
    b) an air bag system component.
    c) special internal regulation.
    d) some internal resistance.
A

b) an air bag system component.

45
Q
  1. Specific gravity is a measurement of:
    a) the weight of some substance compared to water.
    b) the total weight of an object.
    c) the gravitational pull on a vehicle.
    d) the force required to counteract gravity.
A

. a) the weight of some substance compared to water.

46
Q
  1. Spiral bevel gears are usually used in:
    a) transmissions.
    b) transfer cases.
    c) transaxles.
    d) rear drive differentials.
A

d) rear drive differentials.

47
Q
  1. A stator is:
    a) the rotating winding (rotor) in an alternator.
    b) the assembly which rectifies alternating current in an alternator.
    c) the stationary winding in an alternator.
    d) the stationary winding in a starter.
A

c) the stationary winding in an alternator

48
Q
  1. Stoichiometric is a term that refers to:
    a) the international metric system.
    b) ideal air/fuel ratio.
    c) conversion from imperial to metric.
    d) specialized metric measurements.
A

b) ideal air/fuel ratio.

49
Q
  1. Thrust angle is:
    a) the geometric centreline of a vehicle.
    b) the actual angle of travel of a vehicle.
    c) the difference between a and b.
    d) the total of a and b.
A

b) the actual angle of travel of a vehicle.

50
Q
  1. A transistor is:
A

. a) an electronic switch for current flow

Apprentice Diesel Technician (73 decks)

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