BC automotive week 3

Two Technicians are discussing the primary functions of a tire. Technician A says the tire provides a cushion between the road and the vehicle. Technician B says the tire must provide traction with the road surface. Who is correct?

A only

B only

Both A and B

Neither A nor B

Both A and B

Technician A says a tire with low tread at 2/32 of an inch should be replaced. Technician B says tires with low tread are at a high risk of tread punctures and hydroplaning during wet weather. Who is correct?

A only

B only

Both A and B

Neither A nor B

Both A and B

The part of the tire that contacts the ground is called the_________

Tread

sidewall

Bead

Body Ply

Tread

The part of the tire between the tread and the bead is called the_________

Tread

Sidewall

Bead

Body Ply

Sidewall

The part of the tire that grips and seals against the rim is called the_________

Tread

Sidewall

Bead

Body Ply

Bead

For a P205/70R17 tire, what does the “205” represent?

Aspect Ratio

Rim or wheel diameter

Section width

Construction type

Section width

For a P205/70R17 tire, what does the “17” represent?

Aspect Ratio

Rim or wheel diameter

Section width

Construction type

Rim or wheel diameter

For a P205/70R17 tire, what does the “70” represent?

Aspect Ratio

Rim or wheel diameter

Section width

Construction type

Aspect Ratio

A tire puncture can be repaired if the hole is in the_____?

shoulder

sidewall

bead

tread

tread

Abnormal wear patterns can identify tire problems. Which pattern indicates that the tire was consistently underinflated?

wear on both sides of the outer tread

wear along the centerline

wear along one edge

Feathering of tread rubber

wear on both sides of the outer tread

Abnormal wear patterns can identify tire problems. Which pattern indicates that the tire was consistently overinflated?

wear on both sides of the outer tread

wear along the centerline

wear along one edge

Feathering of tread rubber

wear along the centerline

Abnormal wear patterns can identify tire problems. Which pattern indicates an alignment issue?

wear on both sides of the outer tread

wear along the centerline

wear along one edge

Feathering of tread rubber

wear along one edge

Technician A says a radial pull can be caused by a defect in the tires. Technician B say a radial pull can be confirmed by crossing the tires from side to side. Who is right?

A only

B only

Both A and B

Neither A nor B

Both A and B

Which of the following is not a function of the suspension system?

Maintain acceptable tread wear

Providing a smooth, comfortable ride

Ensure vehicle control and stability

Allowing body roll during rapid cornering

Allowing body roll during rapid cornering

Two common suspension system are independent suspension and _____________

solid axle

differential

axle housing

dead axle

solid axle

Which of the following suspension elements functions by twisting?

coil spring

Air spring

Torsion spring

Leafe spring

Torsion spring

Technician A says a strut is a load bearing component that supports the weight of the vehicle. Technician B says a shock is a load bearing component that supports the weight of the vehicle. Who is right?

A only

B only

Both A and B

Neither A nor B

A only

Which of the following is a function of the steering system?

Provide directional control of the vehicle

Provide limited steering effort

Both A and B

Minimize body roll when cornering rapidly.

Both A and B

All of the following are tire wear angles except___________.

Camber

Caster

Toe

Toe out on turns

Caster

Which of the following describes the function of the brake system?

Provide traction to the vehicles wheels

Keep the wheels from loosing traction

 Removes heat from the vehicle wheel assemblies

Utilize friction to slow or stop the vehicle wheels.

Utilize friction to slow or stop the vehicle wheels.

Which of the following is not a true statement regarding a hydraulic system?

Liquids in a confined area will not compress.

When pressure is applied in a closed system, it is exerted equally in all directions.

Air in a confined area will not compress.

A hydraulic system can be used to increase or decrease force or motion.

Air in a confined area will not compress.

Loss of braking power is called ______.

Hydroscopic

Brake fade

low brake pedal

none of the above

brake fade

Which of the following is a desirable characteristic for a brake fluid?

Free flowing at very high and low temperatures

Resistant to rust and corrosion

 Lubricates parts of the hydraulic system

All of the above

all of the above

Hydroscopic means a fluid

Resists water

Attracts water

lubricates parts well

Resists rust and corrosion

Attracts water

All of the following are parts of the disc brake system except.

wheel cylinder

rotor

caliper

brake pad

wheel cylinder

What is another name for a brake disc?.

Drum

Rotor

Shoe

Pad

Rotor

All of the following are components in the drum brake system except.

return spring

drum

wheel cylinder

drum stick

Drum stick

Disc brake pad replacement is being discussed. Technician A says it is not necessary to resurface the rotors when the brake pads are being replaced. Technician B says that brake rotors should be washed with soap and water after they are resurfaced. Who is right?

A only

B only

Both A and B

Neither A nor B

B only

Common brake system malfunctions would include all of the following except.

break dancing

pulling to one side during braking

low or soft brake pedal

squeaking noises

break dancing

What does “ABS” stand for?

Actual Braking System

Apply Before Skidding

 Almost Broke Something

Antilock Brake System

Antilock Brake System

The two common types of steering systems are parallelogram and rack-and-pinion.

true

false

True

A power steering system has an engine-driven pump and hydraulic system that are used to assist steering action.

true

false

True

If power steering fluid is added to the brake master cylinder by mistake the system will still continue to function as designed and no damage will occur.

true

false

False

The power booster in a power braking system is usually located between the master cylinder and the wheel cylinders.

True

False

False

Keeps suspension from continuing to bounce after spring compression and extension.

Shock absorber

Movable lever fastening steering knuckle to vehicle frame.

control are

Rubber sleeve that acts as a bearing for the control arm to pivot up and down.

control arm bushing

A movable connection that allows the control arm to move up and down while allowing the steering knuckle to swivel from side to side.

ball joint

Provides a bearing support location for the wheel hub and a mounting location for the wheel assembly.

steering Knuckle

Identify each of the marked items on the diagram below

C) steering Knuckle

E) Ball joint

A) Control arm bushing

F) Control arm

Mechanical system for applying rear brakes.

emergency/parking

Hydraulic piston-type pump that develops pressure for the brake system.

master cylinder

Devices that use system pressure to produce friction and slow or stop wheel rotation.

wheel brake assembly

Foot lever that actuates master cylinder and power booster.

Brake pedal assembly

Device, usually vacuum-operated, that assists in brake pedal application.

brake booster

Two Technicians are discussing the primary functions of a tire. Technician A says the tire provides a cushion between the road and the vehicle. Technician B says the tire must provide traction with the road surface. Who is correct?

A only
B only

Both A and B

Neither A nor B

Both A and B

For a P205/70R17 tire, what does the “205” represent?

Aspect Ratio

Rim or wheel diameter.

Section width

Construction type

Section width

For a P205/70R17 tire, what does the “17” represent?

Aspect Ratio

Rim or wheel diameter.

Section width

Construction type

Rim or wheel diameter.

For a P205/70R17 tire, what does the “70” represent?

Aspect Ratio

Rim or wheel diameter.

Section width

Construction type

Aspect Ratio

The relationship of tire height to its width is called its ____.

cross- sectional mass

sidewall/tread ratio

width percentage

aspect ratio

aspect ratio

A tire puncture can be repaired if the hole is in the_____?

shoulder

sidewall

 bead

tread

tread

Abnormal wear patterns can identify tire problems. Which pattern indicates that the tire was consistently underinflated?

Wear along outer tread area.

Wear along the centerline.

Wear along one edge.

 Feathering of tread rubber.

wear along outer tread area

Abnormal wear patterns can identify tire problems. Which pattern indicates that the tire was consistently overinflated?

Wear along outer tread area.

 Wear along the centerline.

 Wear along one edge.

 Feathering of tread rubber.

Wear along the centerline.

Abnormal wear patterns can identify tire problems. Which pattern indicates an alignment issue?

Wear along outer tread area.

 Wear along the centerline.

 Wear along one edge.

 Feathering of tread rubber.

Wear along one edge.

Wheel lug nuts should be tightened in order, moving clockwise.

true

false

false

Which of the following is not a function of the suspension system?

 Keeping tires in firm contact with the road.

 Providing a smooth, comfortable ride.

 Ensure vehicle control and stability

Allowing body roll during rapid cornering.

Allowing body roll during rapid cornering.

A suspension system element sometimes used to prevent side-to-side axle movement when cornering is called a(n) ____.

track rod

strut rod

sway bar

control arm

track rod

Technician A says a strut is a load bearing component that supports the weight of the vehicle. Technician B says a shock is a load bearing component that supports the weight of the vehicle. Who is right?

A only

B only

Both A and B

Neither A nor B

A only

Which of the following is not a function of the steering system?

Provide directional control for vehicle.

Allow for limited steering effort from the driver

Minimize body roll when cornering rapidly.

Provide good steering geometry

Minimize body roll when cornering rapidly.

Which of the following describes the function of the brake system?

Provide traction to the vehicles wheels

Keep the wheels from loosing traction

 Removes heat from the vehicle wheel assemblies

Utilize friction to slow or stop the vehicle wheels.

Utilize friction to slow or stop the vehicle wheels.

Which of the following is not a true statement regarding a hydraulic system?

Liquids in a confined area will not compress.

When pressure is applied in a closed system, it is exerted equally in all directions.

Air in a confined area will not compress.

A hydraulic system can be used to increase or decrease force or motion.

Air in a confined area will not compress.