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Automotivekle > 1 > Flashcards

1 Flashcards

1
Q

What component receives electricity from the battery for the purpose of cranking the engine?

A

Starter motor

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2
Q

What hydraulic valve limits pressure at the rear drum brakes when high pressure is applied to front disc brakes?

A

Proportioning valve

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3
Q

What is located directly over the cylinders?

A

Combustion chamber

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4
Q

Brake fluid level in the master cylinder is low, however no external fluid leaks are observed. What is the possible cause?

A

Worn disc brake pads

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5
Q

When 12.6 volts are available from the battery, but 1.2 volts are lost due to unwanted resistance, how much voltage will the starter motor receive?

A

11.4

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6
Q

When an engine is at operating temperature, under-hood components are very hot. Contact with any of these parts could result in:

A

Burns.

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7
Q

Everyone in the auto shop MUST wear safety glasses:

A

At all times.

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8
Q

What is the MOST common cause of premature engine component failure?

A

Poor maintenance

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9
Q

Which engine valve is the largest?

A

Intake

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10
Q

What electrical circuit has more than one path?

A

Parallel

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11
Q

The air/fuel mixture is ignited by?

A

Spark plug

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12
Q

What is the stop, drop, and roll rule?

A

Fire safety rule

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13
Q

How many CV joints do most drive axles have?

A

2

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14
Q

Drive belts that cracked or glazed should be:

A

Replaced

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15
Q

What component closes engine valves?

A

Valve spring

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16
Q

What is the most dangerous part of gasoline?

A

Vapors

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17
Q

Oil filter elements are made of?

A

Paper

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18
Q

What is the most common type of brake fluid?

A

DOT 3

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19
Q

Brake fluid contaminants may be removed by:

A

Flushing

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20
Q

What is the function of crankshaft counterweights?

A

Prevents vibration

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21
Q

What is the most modern type material used to make disc brake pad lining?

A

Ceramic

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22
Q

What valve is open on the exhaust stroke?

A

Exhaust

23
Q

When the piston has reached the top of its travel, it is said to be at: _______

A

Top dead center

24
Q

How many crankshaft revolutions are required to complete the four stroke cycle?

A

Two

25
Q

What component transfers piston movement to the crankshaft?

A

Connecting rod

26
Q

An electrical measurement tool that measures volts, amps, and resistance is known as a/an: _______

A

Multimeter

27
Q

What could be used to quickly check for electrical power in a circuit?

A

Test light

28
Q

What is the voltage of a fully charged 12 volt battery?

A

12.66 volts

29
Q

What could be used to test fuses, fusible links, and circuit breakers?

A

Test light

30
Q

The starter motor rotates the engine for start up by engaging with the: _______

A

Flywheel

31
Q

The alternating current produced in the alternator must be changed to: _______

A

DC current

32
Q

What is the battery voltage rating on most automotive products?

A

Twelve

33
Q

What component is responsible for charging the battery in an automobile?

A

Alternator

The alternator generates electricity to charge the battery and power the vehicle’s electrical systems.

34
Q

Where can a technician find the VIN number of an automobile?

A

Left side of dash panel

The VIN (Vehicle Identification Number) is typically located on the driver’s side dashboard, visible through the windshield.

35
Q

What color are most automatic transmission fluids?

A

Red

Red is the common color for automatic transmission fluids, indicating their specific type and function.

36
Q

What material is most often used to construct engine cylinder blocks?

A

Cast iron

Cast iron is favored for its strength and durability in engine construction.

37
Q

What could be the result of leaving spilled oil or fluid on the shop floor?

A

Falling

Spilled oil or fluids create slippery surfaces, increasing the risk of slips and falls in the shop.

38
Q

What is an important service procedure for extended engine life?

A

Change oil regularly

Regular oil changes help maintain engine lubrication and prevent wear over time.

39
Q

What term refers to the removal of air from the brake system?

A

Bleeding

Bleeding the brake system ensures there are no air bubbles that can affect brake performance.

40
Q

What cancer-causing material may be found in brake shoe dust?

A

Asbestos

Asbestos was commonly used in brake materials but is now regulated due to health risks.

41
Q

What component fits around the piston and forms a seal between the piston and cylinder block?

A

Piston rings

Piston rings are crucial for maintaining compression and preventing oil leakage in the engine.

42
Q

Disc brake calipers are larger than wheel cylinders; therefore, front brakes may be applied with greater _______.

A

Force

The larger size of disc brake calipers allows them to exert more force on the brake pads.

43
Q

Brake fluid is manufactured according to requirements of:

A

DOT

The Department of Transportation (DOT) sets standards for brake fluid in vehicles.

44
Q

What specifications should be followed when tightening wheel lug nuts?

A

Manufacturers

Following manufacturer specifications ensures proper torque and safety of wheel installations.

45
Q

What part of a new oil filter should be lubricated before installation?

A

Seal

Lubricating the seal helps ensure a proper fit and prevents leaks when the oil filter is installed.

46
Q

The purpose of the anti-lock brake system is to perform the pumping action for the _______.

A

Driver

The anti-lock brake system (ABS) automatically modulates brake pressure to prevent wheel lockup during hard braking.

47
Q

What safety item MUST be worn when working around batteries?

A

Eye protection

Eye protection is essential to safeguard against acid splashes and electrical hazards.

48
Q

What connection should be made LAST when installing a new battery?

A

Ground

49
Q

What type socket should be used with an air impact wrench?

A

Impact

Impact sockets are designed to withstand the high torque generated by impact wrenches.

50
Q

Where can a technician find the VIN number of an automobile?

A

Left side of dash panel

The VIN is commonly located on the driver’s side dashboard, visible through the windshield.

51
Q

What color are most automatic transmission fluids?

A

Red

Red fluid typically indicates that the automatic transmission fluid is in good condition.

52
Q

What material is most often used to construct engine cylinder blocks?

A

Cast iron

Cast iron is favored for its strength and durability, although aluminum is also used in some applications.

53
Q

What changes in the hydraulic system when cylinder size is varied?

A

Force applied

Varying cylinder size affects the hydraulic pressure and the force exerted by the system.

54
Q

What type noise is produced when the wear indicator touches the brake rotor?

A

Squeak

A squeak alerts drivers that brake pads may need replacement due to wear.

Automotivekle (1 decks)

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