STEERING AND SUSPENSION ADVANCED CH36

As the cornering force increases, the slip angle decreases. Select one: True False

False

Symmetric tires can be operated in only one direction. Select one: True False

False

A tire valve is a specially designed opening that allows a tire to be inflated and then automatically closes to prevent air from escaping. Select one: True False

True

All wheel nuts must be tightened to the correct torque with the proper sequence. Select one: True False

True

Increasing ground clearance also increases the vehicle's center of gravity. Select one: True False

True

Space-saver spare tires normally require a specially charged canister for inflation when being installed. Select one: True False

True

The most prevalent indirect tire pressure monitoring systems in use today utilize the wheel speed anti-lock braking systems (ABS) to measure the difference in the rotational speed of the four wheels. Select one: True False

True

Today's newer, lightweight vehicles are less sensitive than ever to minor tire or wheel issues. Select one: True False

True

Today's newer, lightweight vehicles are less sensitive than ever to minor tire or wheel issues. Select one: True False

True

When a tire is paired with a wheel, you get the rigidity needed to provide directional control (from the wheel), and you get flexibility and traction to grip the road surface while smoothing out the bumps in the surface of the road (from the tire). True False

True

In ________ offset wheels, the plane of the hub mounting surface is shifted from the centerline toward the outside or front side of the wheel. Select one: a. Positive b. Negative c. Zero d. Linear

a. Positive

Which of the following is true? Select one: a. Radial tires are used on virtually all modern cars. b. Tire beads are small bumps in the tread to increase traction on slippery pavement. c. Modern tires are built with single ply or cord under the tread. d. Tire sidewalls are a special type of tire with tread.

a. Radial tires are used on virtually all modern cars.

________ rims have a slight ridge, or hump, at the inside edge of the bead ledges. Select one: a. Safety-type drop-center b. Cast magnesium c. Alloy blend d. Spare tire type

a. Safety-type drop-center

Vehicles that are 2008 model year and newer are required to be equipped with a ________, designed to monitor the pressures in each individual tire and alert the driver of a problem if a tire pressure is outside of the specified limits. Select one: a. TPMS b. ECM c. ECG d. MIL

a. TPMS

Tech A says that most wheels have a drop center or deep well that is used in installing a tire on the wheel. Tech B says that the drop center or deep well is used to prevent the tire from coming off the wheel in the case of low tire pressure. Who is correct? Select one: a. Tech A b. Tech B c. Both A and B d. Neither A nor B

a. Tech A

There are three different wheel offsets: zero offset, positive offset, and negative offset. Technician A says that negative offset places the hub mounting closer to the brake side of the wheel. Technician B says that negative offset is farther away from the brake side of the wheel. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

a. Tech A

There are three different wheel offsets: zero offset, positive offset, and negative offset. Technician A says that negative offset places the hub mounting closer to the brake side of the wheel. Technician B says that negative offset is farther away from the brake side of the wheel. Who is correct? a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

a. Tech A

The height of the center of gravity is determined by the ___________ of the center of the mass above the road surface. Select one: a. height b. depth c. width d. length

a. height

The height of the vehicle center of gravity is determined by the _______ of the center of mass above the road surface. Select one: a. height b. depth c. width d. length

a. height

Typically, lug nuts are tightened in a ________ on four stud wheels and in a star arrangement for five stud wheels until all of the nuts are torqued. Select one: a. T pattern b. Crisscross sequence c. Parade pattern d. Static sequence

b. Crisscross sequence

________ is an abbreviation for double extended hump. Select one: a. H2 b. EH2 c. DEX2 d. DH2

b. EH2

________ tires resist leaks and help maintain air pressure. Select one: a. Run-flat IncorrectIncorrect b. Self-sealing c. No-flat d. All-season

b. Self-sealing

The tire's sideways distortion makes the vehicle follow a path at an angle to the direction the road wheel is pointing in what is called the ________. Select one: a. Side force b. Slip angle c. Distortion angle d. Right angle

b. Slip angle

________ lug nuts have a tapered end that is placed toward the rim and that taper fits into a matching taper in the rim to help center the wheel on the lug studs. Select one: a. Flat seat b. Tapered seat c. Wheel centering d. Conical hub

b. Tapered seat

Technician A says run-flat tires may be driven continually at zero inflation pressure. Technician B says some run-flat tires have sidewall reinforcements. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

b. Tech B

Lug nuts should be tightened to ________% of the recommended torque for the first stage and then to ________% of the specification at the second stage, using the same tightening sequence for the particular wheel. Select one: a. 25; 75 b. 40; 60 c. 50; 100 d. 60; 40

c. 50; 100

In a typical rear-wheel drive vehicle, the weight distribution is approximately ________ fore and ________ aft. Select one: a. 75%; 25% b. 40%; 60% c. 60%; 40% d. 25%; 75%

c. 60%; 40%

Tech A says that a TPMS system can save fuel over time. Tech B says that a TPMS will help prevent blowouts. Who is correct? Select one: a. Tech A b. Tech B c. Both A and B d. Neither A nor B

c. Both A and B

Tech A says that underinflated tires reduce fuel economy. Tech B says that underinflated tires are unsafe and cause accelerated tire wear. Who is correct? Select one: a. Tech A b. Tech B c. Both A and B d. Neither A nor B

c. Both A and B

Technician A says that TPMS sensors that are fastened to the inner end of the valve stem are called direct sensors. Technician B says an indirect TPMS system does not use pressure sensors. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technician A and Technician B d. Neither Technician A nor Technician B

c. Both Technician A and Technician B

Technician A says that alloy wheels are often called "mag" or magnesium wheels. Technician B says that alloy wheels are lighter and dissipate heat more effectively than steel wheels. 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

c. Both Technician A and Technician B

Technician A says some tire pressure monitoring systems have a sensor mounted in each wheel rim. Technician B says some tire pressure monitoring systems use the wheel speed sensors in the ABS system to detect tire pressure. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

c. Both Techs A and B

Technician A says that wheel offset is the distance from the hub mounting to the centerline of the wheel. Technician B says that rim width and diameter can also be stated in millimeters. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

c. Both Techs A and B

The air pressure on a vehicle with TPMS is supposed to be 35 psi. Technician A says that one some vehicles, a 5 psi drop below 35 psi will cause the TPMS light to illuminate. Technician B says that on other vehicles, a 2 psi will cause the light to illuminate. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

c. Both Techs A and B

Because the tire's construction makes it elastic, it exerts a force, called ________ force, that acts between the tread and the road surface. Select one: a. Elastic b. Friction c. Cornering d. Tread

c. Cornering

A rim is stamped with the following: 7 JJ 14. What does JJ mean? Select one: a. Rim flange b. Wheel diameter c. Flange profile d. Aspect ratio

c. Flange profile

________ tires are designed so that they can still be driven for a reasonable amount of time when the tire pressure is low or empty. Select one: a. Self-sealing b. No-flat c. Run-flat d. All-season

c. Run-flat

________ feature a lining that serves as a puncture sealant that can permanently seal most punctures from nails, bolts, or screws up to 3/16" (5 mm) in diameter. Select one: a. Radial tires b. EH2 tires c. Self-sealing tires d. Winter tires

c. Self-sealing tires

________ feature a lining that serves as a puncture sealant that can permanently seal most punctures from nails, bolts, or screws up to 3/16" (5 mm) in diameter. a. Radial tires b. EH2 tires c. Self-sealing tires d. Winter tires

c. Self-sealing tires

A wheel is stamped with "7 JJ 14." What does JJ mean? Select one: a. Wheel flange material b. Wheel flange diameter c. Wheel flange profile or shape d. Wheel aspect ratio

c. Wheel flange profile or shape

A special bead filler with low heat generation is used as part of the run-flat technology construction to help prevent excess heat buildup that can be generated with ________ pressure. Select one: a. Positive b. Negative c. Zero d. Intense

c. Zero

Tires on most passenger vehicles are called _________ tires because they are filled with pressurized air, which gives them support. Select one: a. rubber b. tubeless c. pneumatic d. asymmetric

c. pneumatic

Safety-type drop-center wheels: a. use special metal alloys to improve safety. b. use a chemical adhesive to ensure tires do not separate from wheels. c. use a small ridge or hump at the inner edge of the bead ledge. d. are obsolete and no longer used.

c. use a small ridge or hump at the inner edge of the bead ledge.

On a typical front-wheel drive vehicle, the weight distribution is approximately ________ fore and ________ aft. Select one: a. 40%; 60% b. 60%; 40% c. 25%; 75% d. 75%; 25%

d. 75%; 25%

Run-flat tires (RFT) can also be called: Select one: a. extended mobility technology (EMT) tires. b. continuous mobility (CMT) tires. c. zero-pressure (ZP) tires. d. All of the answers listed

d. All of the answers listed

The tire must be an exact fit on the rim to: a. ensure the tire and rim will seal the air in a tubeless tire. b. transfer forces between the tire and wheel without slipping or chafing. c. prevent the tire from turning on the rim. d. All the above

d. All the above

Technician A says that tires on most passenger vehicles are solid rubber tires. Technician B says that tires on forklifts are always pneumatic (air-inflated) 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

d. Neither Technician A nor Technician B

Because tires do not come perfectly round and balanced, most tire manufacturers indicate the tire's highest point with a ________ dot and the tire's lightest point with a ________ dot. Select one: a. Green; red b. Yellow; green c. Yellow; red d. Red; yellow

d. Red; yellow

Self-sealing tires first provide a ________ around the object when the tire is punctured and then fill in the hole in the tread if the object is removed. Select one: a. Joint b. Puncture c. Hole d. Seal

d. Seal

Cords of synthetic strands or fabric have high ________ strength. Select one: a. Ply b. Synthetic c. Value d. Tensile

d. Tensile

Cords of synthetic strands or fabric have high ________ strength. a. Ply b. Synthetic c. Value d. Tensile

d. Tensile

All of the following statements about a tire pressure monitoring system are true, EXCEPT: Select one: a. it is often referred to as a TPMS. b. it uses a warning light as a driver warning. c. it can be diagnosed with an appropriate scan tool. d. it can automatically stop a leak in a tire

d. it can automatically stop a leak in a tire

The aspect ratio of a tire is: a. the width of a tire. b. the rim diameter. c. how much air to inflate the tire to. d. ratio of height to width

d. ratio of height to width.

The part of the tire that makes contact with the road is the: a. cords. b. plies. c. inner liner. d. tread.

d. tread.