Quiz about Automotive Technology Year One Final Exam 2025

Question 1

Before using unfamiliar chemicals and products, the technician should first:

Accepted Answer

read the material safety data sheet (MSDS)

Answer

ask co-workers how to use the chemicals and products

Answer

ask the parts person for safety tips

Answer

Put on protective gloves and safety glasses

Question 2

S.A.E. stands for:

Accepted Answer

Society of Automotive Engineers

Answer

Standards Automotive Energy

Answer

Society of Automotive Energy

Answer

Standards of Automotive Engineers

Question 3

The boiling point of a cooling system with a 15 lbs. radiator cap has a boiling point of:

Accepted Answer

257 F.

Answer

100 C.

Answer

212 F.

Answer

195 F.

Question 4

Oxidation is a process

Accepted Answer

Both A and B are correct.

Answer

Leading to rust formation.

Answer

Involving a loss of electrons due to exposure to the atmosphere.

Answer

Both A and B are incorrect.

Question 5

Which Gas IS NOT an Inert Gas?

Accepted Answer

Oxygen

Answer

Argon

Answer

Nitrogen

Answer

Carbon Dioxide

Question 6

Using the aspect ratio, what is the tire height of a 245/60R-15 tire.

Accepted Answer

147 millimeters

Answer

245 inches

Answer

60 millimeters

Answer

245 millimeters

Question 7

The measurement from the top of a tread on one side of a tire, to the top of the tread on the opposite side is the:

Accepted Answer

Tire diameter.

Answer

Section height.

Answer

Tread Footprint.

Answer

Wheel size.

Question 8

Using the aspect ratio, calculate the height of the tire which has a size of P205/60R-16. The height is:

Accepted Answer

123 mm

Answer

12.8 mm

Answer

123 cm

Answer

12.8 cm

Question 9

All the following are components of a hydraulic power steering system EXCEPT:

Accepted Answer

a master cylinder

Answer

a reservoir

Answer

a pump

Answer

a drive belt

Question 10

Sealed wheel bearings

Accepted Answer

are not permanently lubricated.

Answer

need periodic maintenance.

Answer

are made of heat treated steel to resist wear.

Answer

are used on the front ends of ALL rear wheel drive vehicles.

Question 11

When a front suspension system problem exists, do all of the following preliminary services EXCEPT:

Accepted Answer

perform a wheel alignment.

Answer

inflate the tires to the correct pressure and make sure all tires are the same size.

Answer

measure vehicle ride height

Answer

inspect the springs for collapsed or broken coils or broken leaves.

Question 12

An independent rear suspension, where the rear wheels can move up and down independently of each other, is a:

Accepted Answer

strut type rear suspension

Answer

straight axle rear suspension

Answer

leaf spring rear suspension

Answer

twin 'I' beam rear suspension.

Question 13

A front suspension, where the weight of the vehicle is supported by using a twisting spring action, is a:

Accepted Answer

Torsion bar front suspension.

Answer

Coil spring front suspension.

Answer

Strut type front suspension.

Answer

Twin I beam front suspension.

Question 14

When the top of a wheel tilts in, the wheel has a:

Accepted Answer

Negative camber angle.

Answer

Positive camber angle.

Answer

Negative caster angle.

Answer

Positive caster angle.

Question 15

When the upper ball joint is behind the lower ball joint, the wheel has a:

Accepted Answer

Negative caster angle.

Answer

Negative camber angle.

Answer

Positive camber angle.

Answer

Positive caster angle.

Question 16

A vehicle comes into your shop with the following Camber measurements: Left Wheel -2 Right Wheel +1.3 The Preferred Spec. is +.5 (+or-.5) Based on this Camber information ONLY, this Vehicle will:

Accepted Answer

Pull to the left

Answer

Pull to the right

Answer

Not pull at all

Answer

Dog track

Question 17

To multiply the output force of a hydraulic system,

Accepted Answer

use an output piston with a larger head.

Answer

reduce the apply force.

Answer

move the apply piston a shorter distance.

Answer

move the output piston a longer distance.

Question 18

In an integral master cylinder

Accepted Answer

brake fluid is contained in one reservoir.

Answer

some parts are plastic and some parts are aluminum.

Answer

the reservoirs are part of the master cylinder assembly.

Answer

the reservoirs are attached to the master cylinder.

Question 19

The purpose of flushing and bleeding a hydraulic brake system to do all of the following EXCEPT,

Accepted Answer

see if the bleeder screws will come loose.

Answer

replace the old brake fluid.

Answer

remove the dust particles and moisture from the brake fluid.

Answer

force the trapped air out of the brake fluid.

Question 20

In diagonal braking circuits, the wheel brakes are split:

Accepted Answer

front left to right rear, front right to left rear

Answer

front to rear

Answer

side to side

Answer

individually

Question 21

Why should you NOT use compressed air to clean dust from brakes?

Accepted Answer

Brake linings may contain asbestos

Answer

Air may enter the hydraulic system and the fluid pressure may drop.

Answer

Dust particles may enter the brake fluid

Answer

Lubricants in the brake assembly may become contaminated with particles.

Question 22

Pedal pulsations may be due to all of the following EXCEPT,

Accepted Answer

ABS brakes

Answer

loose wheel bearings on the front wheels.

Answer

a rotor with excessive run out.

Answer

frozen wheel cylinders.

Question 23

You can use ________ to clean internal disc-brake parts.

Accepted Answer

clean brake fluid

Answer

oil-based solvents

Answer

WD - 40

Answer

PB Blaster

Question 24

If the car pulls to one side during braking, the cause may be

Accepted Answer

a seized caliper.

Answer

a glazed rotor.

Answer

pads loose in the caliper.

Answer

a rotor with excessive run out.

Question 25

If a brake warning light stays on when the parking brake hand lever or pedal is released, you should:

Accepted Answer

check the master cylinder level.

Answer

check the switch at the parking brake hand lever or pedal.

Answer

check the brake lights on the rear of the vehicle.

Answer

check for brake fluid dripping under the vehicle.

Question 26

Technician A says that oil on the brake linings can cause the brakes to grab. Technician B says that grease on the linings can cause the brakes to grab. Which is correct?

Accepted Answer

Both technicians A and B

Answer

Technician A

Answer

Technician B

Answer

Neither technician A nor B

Question 27

Technician A says that brake hardware is attached to the backing plate. Technician B says the backing plate keeps road debris from entering the drum brake assembly. Who is correct?

Accepted Answer

Both technicians A and B

Answer

Technician A

Answer

Technician B

Answer

Neither technician A nor B

Question 28

Technician A says that return springs should be replaced with every brake job. Technician B says that the return springs will become weak if they are overheated. Who is correct?

Accepted Answer

Technician B

Answer

Technician A

Answer

Both technicians A and B

Answer

Neither technician A nor B

Question 29

The four major parts of a disc-brake system are

Accepted Answer

mounting brackets, calipers, brake pads and rotors.

Answer

mounting brackets, calipers, rotors and drums.

Answer

pistons, master cylinder, brake pads and rotors.

Answer

rotors, bolts, calipers and lathe.

Question 30

What should be checked first when servicing disc brakes?

Accepted Answer

The brake pad linings.

Answer

The dust boot.

Answer

The brake hose.

Answer

The square cut seal.

Question 31

Technician A says that the square cut seal is used to retract the piston. Technician B says the square cut seals keep grease from getting on the brakes. Who is correct?

Accepted Answer

Technician A

Answer

Technician B

Answer

Both technicians A and B

Answer

Neither technician A nor B

Question 32

Technician A says that sliding calipers are mounted with guide pins. Technician B says the floating calipers slide on machine surfaces. Who is correct?

Accepted Answer

Technician B

Answer

Technician A

Answer

Both technicians A and B

Answer

Neither technician A nor B

Question 33

According to N.Y.S. Inspection law, disc rotors must be checked for:

Accepted Answer

scoring

Answer

parallelism

Answer

glazing

Answer

cracks to the outer edges

Question 34

Why are shims or brake compound placed on the back of disc brake pads?

Accepted Answer

To help reduce disc brake noise.

Answer

To attach the brake pads to the caliper piston.

Answer

To hold the brake pads in the proper position

Answer

To stop brake fluid leaks at the caliper piston.

Question 35

Power boosters are mounted

Accepted Answer

between the brake pedal lever and the master cylinder.

Answer

in the passenger compartment on the brake pedal.

Answer

on the power-steering pump.

Answer

on the throttle body

Question 36

Which one of the following steps is done last when testing vacuum-booster operations?

Accepted Answer

D. Press down on the brake pedal and start the engine.

Answer

A. Apply and release the brake pedal until the pedal gets hard to push.

Answer

B. Turn the engine off.

Answer

C. Evaluate the amount of movement in the brake pedal.

Question 37

Technician A says that the parking brakes will fail if there is a leak in the hydraulic system. Technician B says that parking brakes are often mistakenly called emergency brakes but they will not bring a car to a stop in a short distance. Who is correct?

Accepted Answer

Technician B

Answer

Technician A

Answer

Both Technician A and Technician B

Answer

Neither Technician A nor Technician B

Question 38

Technician A says rear disc brakes require a mechanical parking brake. Technician B says all parking brakes are not adjustable. Who is correct?

Accepted Answer

Technician A

Answer

Technician B

Answer

Both technicians A and B

Answer

Neither technician A nor B

Question 39

The wheel speed sensor for the rear wheel anti-lock brakes on many Dodge and Ford trucks is mounted in the

Accepted Answer

differential carrier

Answer

ABS control module

Answer

instrument panel

Answer

hydraulic unit

Question 40

During normal braking, the ABS,

Accepted Answer

has no effect on the brakes.

Answer

reduces brake hydraulic pressure equally at all wheels.

Answer

increases the brake hydraulic pressure equally at all wheels.

Answer

reduces the hydraulic pressure only at the rear wheels.

Question 41

Technician A says an ABS helps stop a vehicle quickly without loss of control. Technician B says that a vehicle without ABS can stop faster on dry pavement. Who is correct?

Accepted Answer

Both technicians A and B

Answer

Technician A

Answer

Technician B

Answer

Neither technician A nor B

Question 42

Technician A says that in three-channel systems both front wheels of the vehicle are not controlled independently. Technician B says that in such systems both front wheels are controlled independently. Who is correct?

Accepted Answer

Technician A

Answer

Technician B

Answer

Both technicians A and B

Answer

Neither technician A nor B

Question 43

Technician A says that a three-channel ABS combines the advantage of the rear wheel only system with the addition of independent lock-up control of the front wheels. Technician B says that a three-channel ABS has a separate brake circuit to each rear wheel and a common circuit for the front wheels. Who is correct?

Accepted Answer

Technician B

Answer

Technician A

Question 44

The most common component failure on an ABS braking systems is the:

Accepted Answer

Sensor

Answer

Wiring

Answer

ABS Module

Answer

Exciter Ring

Question 45

Technician A says that brake lines can be made from copper tubing. Technician B says that compression couplings may be used in brake systems. Who is correct?

Accepted Answer

Neither technician A nor B

Answer

Technician A

Answer

Technician B

Answer

Both technicians A and B

Question 46

When inspecting brakes, inspection of the hydraulic foot brake requires:

Accepted Answer

the brake pedal to hold in the applied position for 1 min. without fading.

Answer

pumping the brake pedal several times, measuring the amount of fade in each pump not to exceed 10 pumps or 30 seconds.

Answer

the brake pedal to hold in the applied position for 30 seconds without fading.

Answer

the pedal to push back at you within 60 seconds.

Question 47

To what level must the brake master cylinder of a disc brake equipped vehicle be filled with brake fluid?

Accepted Answer

filled to its designed capacity

Answer

1/3 full

Answer

2/3 full

Answer

filled enough to make the brakes work

Question 48

You must reject a vehicle with bonded or molded drum brake linings when the remaining amount of brake lining measured at the thinnest point is less than

Accepted Answer

1/32 inch

Answer

1/16 inch

Answer

1/8 inch

Answer

1/64 inch

Question 49

When a clutch fails, the most common part to fail is the:

Accepted Answer

Clutch disc

Answer

Pilot bearing or bushing

Answer

Flywheel

Answer

Throw out bearing

Question 50

All of the following will cause clutch slippage EXCEPT?

Accepted Answer

a heavy duty clutch disc and pressure plate

Answer

oil on the clutch disc

Answer

clutch that is out of adjustment

Answer

weak pressure plate springs

Question 51

Excess heat in the clutch can be caused by all of the following EXCEPT,

Accepted Answer

speed shifting

Answer

riding the clutch

Answer

improper linkage adjustment

Answer

weak clutch springs

Question 52

A manual transmission does not

Accepted Answer

provide downshifts automatically

Answer

supply power and torque from the engine to the drive train and the drive wheels

Answer

allow the driver to change the forward or reverse direction of the vehicle

Answer

allow the driver to disconnect the engine from the drive train for starting and idling

Question 53

If a drive gear has 12 teeth and the driven gear has 48, the gear ratio is

Accepted Answer

1:4

Answer

4:1

Answer

12

Answer

4X

Question 54

Transmission lubricants do NOT

Accepted Answer

all have the same viscosity.

Answer

lubricate the gears.

Answer

cool bearings and gears

Answer

protect against rust and corrosion

Question 55

All of the following are common symptoms of CV joint wear EXCEPT

Accepted Answer

a chattering noise when stopped.

Answer

popping or clicking noises when turning.

Answer

a clunk when accelerating or decelerating.

Answer

a humming or growling sound that changes with vehicle speed.

Question 56

A damper is a

Accepted Answer

balance weight fitted around a half shaft.

Answer

product that removes moisture form a joint.

Answer

material used to create steel alloys.

Answer

tool used to burp a boot.

Question 57

When an Outer Constant Velocity (CV) Joint goes bad, it makes a:

Accepted Answer

Clicking sounds on turns

Answer

Clunking sounds on turns

Answer

Clunking sounds on acceleration

Answer

Clicking sounds on acceleration

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