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Tire and Wheel Service Worksheet

Total questions: 36

Worksheet time: 18mins

Name
Class
Date
1.

Force from exploding tires is typically released at an angle of up to ______ degrees from the rupture. Select one:

a)

35

b)

45

c)

50

d)

65

2.

Technician A says that tubeless tires are much easier to repair. Technician B says that tube tires are much easier to repair than the tubeless tires. Who is correct? Select one:

a)

Technician A

b)

Technician B

c)

Both Technician A and Technician B

d)

Neither Technician A nor Technician B

3.

The hot curing process is also known as ________. Select one:

a)

Recapping

b)

Remolding

c)

Mold curing

d)

Precuring

4.

With ________, the tire tread moves up and down. Select one:

a)

Lateral run-out

b)

Mismatched front tires

c)

Air loss

d)

Radial run-out

5.

What would you spray around a tire valve stem and core to detect air leaks? Select one:

a)

Lubricant

b)

Oil

c)

Compressed air

d)

Soapy water

6.

When tires are replaced or rotated, the TPMS must ________ the tire position. Select one:

a)

Re-learn

b)

Signal

c)

Upload

d)

Smart sense

7.

________ provide the clamping force needed to hold the wheel against the hub. Select one:

a)

Hubs

b)

Nuts

c)

Spacers

d)

Washers

8.

All wheel nuts must be tightened to the correct torque and in the proper ________. Select one:

a)

Sequence

b)

Alignment

c)

Clamping force

d)

Direction

9.

With little or no preload, the force of the hydrodynamic wedge is ________. Select one:

a)

Unchanged

b)

Low

c)

High

d)

Optimal

10.

What is a leading cause of premature wheel seal failures? Select one:

a)

Installation errors

b)

Excessive preload

c)

Worn wheel bearings

d)

Excessive tightening

11.

A stud-piloted wheel's inner nut has a ________. Select one:

a)

Longer cone

b)

Knurled cone

c)

Tapered cone

d)

Straight cone

12.

Technician A says it's important to inspect wheels and rims for lateral and radial runout conditions while checking vibration-related complaints. Technician B says that before checking for runout, it is important to first check for problems in the hub, such as loose wheel bearings. Who is correct? Select one:

a)

Technician A

b)

Technician B

c)

Both Technician A and Technician B

d)

Neither Technician A nor Technician B

13.

Tire inflation pressures are always measured when ________. Select one:

a)

Cold

b)

Hot

c)

Warm

d)

Dismounted

14.

Wide-base tires are large tires with a low ________. Select one:

a)

Cost

b)

Aspect ratio

c)

Tread noise

d)

Tread wear

15.

The hot curing process is also known as ________. Select one:

a)

Recapping

b)

Remolding

c)

Mold curing

d)

Precuring

16.

When tires are replaced or rotated, the TPMS must ________ the tire position. Select one:

a)

Re-learn

b)

Signal

c)

Upload

d)

Smart sense

17.

What type of tire tread is best for muddy, off road surfaces? Select one:

a)

Rib-lug

b)

Block

c)

Lug

d)

Rib

18.

Heavy pulling of a vehicle to either the left or the right while the customer is driving may be caused by which of the following? Select one:

a)

Missing wheel weights

b)

Radial run-out

c)

Lateral run-out

d)

Tire with broken or misaligned belts

19.

Where are pusher axles mounted? Select one:

a)

To the rear of the tag axle

b)

In front of the lift axle

c)

To the rear of the drive axles

d)

In front of the drive axles

20.

When turning to the right, the right side steer tire tilts ________. Select one:

a)

Inward at the top

b)

Inward at the bottom

c)

Outward at the top

d)

To the front

21.

A typical drag links ________ length is critical to maintain the same number or turns from center to the steering stops. Select one:

a)

Overall

b)

Center to center

c)

Center to live end

d)

Center to static end

22.

When the vehicle rolls down the road, ________. Select one.

a)

The tires' caster increases

b)

The tires toe-in

c)

The tires toe-out

d)

The tires' caster decreases

23.

Which of the following is NOT a type of wheel alignment method? Select one.

a)

Frame centerline

b)

Axle centerline

c)

Geometric centerline

d)

Loaded versus unloaded

24.

Tire life and ________ are improved by maintaining a correct wheel alignment. Select one.

a)

Camber

b)

Load securement

c)

Fuel economy

d)

Total alignment

25.

Technician A says today's trucks and buses exclusively use power-steering gears rather than manual gears that have no power assist. Technician B says it is not possible to add an air or hydraulic cylinder to the steering linkage of a conventional worm-gear steering box. Who is correct? Select one.

a)

Technician A

b)

Technician B

c)

Both Technician A and Technician B

d)

Neither Technician A nor Technician B

26.

What ensures the correct phasing of the steering column U-joints when being reassembled after servicing? Select one.

a)

Marking steering wheel position

b)

Numbering the U-joints

c)

Match marking the steering shafts

d)

Marking miter box position

27.

Which of these best describes steering ratio? Select one.

a)

Mechanical advantage produced by the gear

b)

Force transmitted from the tires back through the steering system to the driver

c)

Measures the rotational angle of the steering wheel

d)

Gear arrangement that allows sharp angle changes in the steering column

28.

Two critical components of the hydraulic control mechanism of all power steering gears are the rotary valve and the ________. Select one.

a)

Torsion bar

b)

Piston

c)

Worm shaft

d)

Outer valve

29.

The ________ design of tie-rod ends and tie-rod centers enables sharp turning radiuses without interference. Select one.

a)

Dropped

b)

Angled

c)

Straight

d)

Adjustable

30.

Which of the following is a possible cause of binding? Select one.

a)

Steering stops not correctly adjusted

b)

Air in the system

c)

Excessive toe-in

d)

U-joint working angle greater than 25 degrees

31.

What force would be trying to stretch a rail apart? Select one.

a)

Acceleration force

b)

Tension force

c)

Twisting force

d)

Compression force

32.

Which of the following is a flat, steel plate reinforcement bolted usually inside and sometimes outside the frame rail? Select one.

a)

Tension flange

b)

L-channel plate

c)

C-channel plate

d)

Fishplate

33.

What type of mounting is the recommended method of attaching flexible bodies to a ladder-type frame? Select one.

a)

Resilient mounting

b)

Outrigger mounting

c)

U-bolt mounting

d)

Fish plating mounting

34.

Damaged bolts or rivets are to be replaced with ________ attaching hardware when a frame has been straightened. Select one.

a)

Grade 3 fastener

b)

Rivet-style

c)

Grade 8 fastener

d)

Welded

35.

Which of these welding processes cannot be used when repairing cracked frame rails? Select one.

a)

Shielded metal arc welding (SMAW)

b)

Gas metal arc welding (GMAW)

c)

Gas tungsten arc welding (GTAW)

d)

Carbon arc welding (CAW)

36.

Technician A says that frame misalignment might result in rapid tire wear. Technician B says when the frame is misaligned, driver fatigue will increase as the operator has to fight the steering wheel to keep the vehicle in a straight line. Who is correct? Select one.

a)

Technician A

b)

Technician B

c)

Both Technician A and Technician B

d)

Neither Technician A nor Technician B