Test 3

tech a says that a transfer case is designed to transfer torque from the engine to the transmission. tech b says that a transfer case is used on FWD vehicles

neither

tech a says that friction bearings are made up of balls and rollers. tech b says that nonfiction bearings are in sliding contact between moving surfaces

neither

two technicians are discussing clutch operation systems. tech a says that most hydraulic clutches need to be adjusted periodically. tech b says that cable clutches use a slave cylinder to operate the clutch fork.

neither

Tech a says that checking tire size and pressure is a part of the pre-alignment inspection tech B says that alignment machines require a compensation process for the wheel adapters who is correct

Both

Take a says that disc brake pads require higher application force than drum brake shoes. Take B says that disc brakes are self energizing

A only

Tech a says that a direct TPMS system uses a pressure sensor located in each wheel tech B says that an indirect TPMS system uses wires to connect the pressure sensor located in each wheel the PCM who is correct

A only

Tech a says that a light duty Service brakes are typically applied hydraulically. Tech B says that light duty parking brakes are typically applied hydraulically who is correct

A only

Tech a says that a vehicle will tend to pull toward the side with most positive camber. Tech B says that camber is the forward and backward tilt of the steering axis from vertical when viewed from the side

A only

Tech a says that an anti-lock brake system allows the front wheels to be steered during a panic stop. Tech B says that ABS sensors apply or release hydraulic pressure to the wheel brake units during ABS brake events

A only

Tech a says that duo servo brake shoes are only anchored on the top tech B says that duo servo brakes typically use single piston wheel cylinders

A only

Tech a says that in McPherson strut suspension the hydraulic strut supports the top of the steering knuckle so it must be stronger than an ordinary shock absorber tech B says gas pressurize shock absorbers don't use hydraulic fluid they use pressurize nitrogen gas only

A only

Tech a says that one purpose of the suspension system is to keep the tires in contact with the road. Take B says that the heavier the weight of the unsprung components the smaller reactive force they will generate

A only

Tech a says that the steering column uses one or more flexible joints to connect to the steering gearbox tech B says that the Pitman arm is bolted to the frame and relays the steering linkage movement to the opposite wheel from the steering gearbox

A only

tech a says that a gear set that has a drive gear with 9 teeth and a driven gear with 27 teeth has a ratio of 3:1 . tech b says that the drive gear is also called the output gear.

A only

The part of the parallelogram steering mechanism that provides the adjustment point for adjusting the toe setting is the

Adjustment sleeve

The steering box converts the rotary motion of the steering wheel into

Angular motion

Which of the following Dampen spring oscillations by forcing oil through small holes in a piston

Shock absorbers

Take a says that both secondary shoes should be installed on the passenger side of the vehicle tech B says that the lining on the primary issue is typically shorter in length than the lining on the secondary shoe

B only

Take a says that parking brakes on drum brake vehicles you separate brake shoes for a back up in an emergency tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes

B only

Take a says that the P in p225/70R 15 means the tires inflation pressure in kPa tech B says the T in T135R 16 means temporary who is correct

B only

Tech A says that kinetic energy is created during braking to stop the vehicle. Tech B says that kinetic energy is converted to heat energy during braking

B only

Tech a says that leaf springs are made from a single length of special wire which is heated and wound on a former in the shape of a coil. Take a B says that a progressive rate spring offers a soft ride but can also carry a heavier load

B only

Tech a says that no matter which way the vehicle turns the inside wheel must always turn less sharply than the outside wheel. Tech B says that the Ackerman principle angles the steering arms towards the center of the rear axles

B only

Tech a says that the clock spring (spiral cable) assists the turning of the steering wheel on vehicles with EPS. Tech B says that in a power steering system the force needed to steer wheels is created by the hydraulic pump or electric motor

B only

Tech a says that thrust angle refers to the direction of the front wheels are pointing tag be says that scrub radius refers to the intersection of the tires camber line in relation to an imaginary line through the steering knuckle pivots who is correct

B only

Tech a says that tire pressure does not affect braking. Tech B says that heavy vehicle load increase stopping distance

B only

Tech a says that toe in is when the front of the tires are farther apart than the rear of the tires. Tech B says that excessive toe causes faster tire wear then camber caster

B only

Tech a says the tires are marked with the date code listing the date the tire should be discarded tech b says that any tires with the three digit a code should be discarded because they are too old to be safely in service who is correct

B only

tech a says that an open differential allows both of the rear wheels to supply power to the ground even if one wheel loses traction. tech b says that a live axle powers the wheels attached to it.

B only

tech a says that clutch slippage can be a result of excessively strong pressure plate springs. tech b says that when replacing the friction disc, it is good practice to also replace the pressure plate

B only

Take a says that all wheels must be torqued to prevent wheels from loosening up and falling off take B says that all wheels must be torqued to prevent over tightening which can weaken lug studs and warp brake rotors who is correct

Both

Tech A Says that a dead axle is designed to carry the weight of the vehicle with no Drive capability tech B says that live axles transmit power to the wheels who is correct

Both

Tech A says that friction brakes can fade due to overheating of the brake lining. Tech B says that friction brakes can fade due to overheating of the brake fluid

Both

Tech a says that most lug nuts and studs are right-hand threaded which means they tighten them turned clockwise tech b says that some lug nuts and studs are left hand threaded which means they tighten when turned counterclockwise

Both

Tech a says that some vehicles are equipped with a spring steel brake pad wear indicator that drags on the rotor when the lining thickness is low tech B says that some vehicles are equipped with an electric brake pad wear sensor that activates a warning on the dash

Both

Tech a says that some vehicles use fixed calipers. Tech B says that some vehicles use sliding/floating calipers

Both

Tech a says that worn ball joints can affect alignment angles. Tech B says that Worn control arm bushings can affect the alignment angles who is correct

Both

Which of the following electric power assist steering systems has the power assist unit controller and torque sensor connected to the steering column

Column assist type

Which of the following tread designs actually pumps water out from under the tire bringing it in direct contact with the surface of the road

Directional tread pattern

Which of these is an advantage of the disc brake system over drum brakes

Disc brakes reduce the likelihood of brake fade

All of the following statements are true EXCEPT: A. The disc brake rotor is bolted to the wheel hub flange B. The hydraulic pressure from the master cylinder causes the caliper to create a mechanical clamping action C. Drum brakes require higher applied forces than disc brakes D. The heat generated on the outside surfaces of the rotor is transferred to the atmosphere

Drum brakes require higher applied forces than disc brakes

Which of these drum brake systems uses servo action in both directions

Duo servo drum brake systems

All of the following statements with respect to wear indicators are true except A. Spring steel scratcher is a mechanically operated wear indicator B. When the scratcher makes a squealing noise it means the brakes must be serviced C. On a sensor type system contact with the rotor will light a warning light or warning message D. Electrical contacts cannot be manufactured into the pad so they have to be clipped onto the pad

Electrical contacts cannot be manufactured into the pan so they have to be clipped onto the pad

All of these act as common indicators for problems in the suspension system except

Improper transmission shifting

All of the following statements are true EXCEPT: A. Heat transfers from a heart area to a cool area B. Friction is the resistance created by surfaces in contact C. Kinetic friction is resistance between non-moving surfaces D. In drum brakes the heat is created outside of the drum and transferred to the inner surface

In drum brakes the heat is created outside of the drum and transferred to the inner surface

If we triple the speed of an object the kinetic energy will

Increase by nine times

When a vehicle has negative caster

It can become unstable as speed increases

All of the following statements with respect to camber are true except A. It is the side to side vertical tilt of the wheel B. It tends to pull in the opposite direction of the most positive camber C. It is affected by ride height D. In the modern vehicles large positive number angles could cause the tire to ride on the outer edges of the tire

It tends to pull in the opposite direction of the most positive camber

The suspension system performs all of the following functions except

Monitoring the treadwear of each tire

Take a says that rack and Pinion steering system is generally do not use power steering due to their lighter duty construction. Tech B says that rack and Pinion steering systems use a worm gear arrangement to move the rack who is correct

Neither

Tech A says that oversteer is one the front slip angles are larger than the rear slip Angles tech B says understeer as when the rear slip angles are larger than the front slip Angles who is

Neither

Tech a says that caster is when the distance between the front of the tires are closer together than the rears of the tires. Tech B says that a vehicle will pull toward the side with the most positive caster who is correct

Neither

Tech a says that fixed calipers use one or more pistons only on one side of the rotor tech B says that sliding/fixed calipers use one or more pistons on both sides of the rotor. who is correct

Neither

Tech a says that on short/long arm suspension systems the upper control arm is the long one tech B says that on SLA suspension systems the control arms are connected to the frame by ball joints who is correct

Neither

Tech a says that regenerative braking converts brake heat from friction into electricity. Take B says that regenerative braking converts electrical energy from the battery into breaking energy who is correct

Neither

When the pitch is varied the deflection rate varies in the spring. then the spring is said to have a

Progressive rate of deflection

Which of the following components is the inner tire rod socket connected to in a rack and Pinion steering system

Rack

When the driver releases the brake pedal the brake shoes are with drawn by the

Return spring

Which of the following allows a vehicle to be driven for a reasonable amount of time when the tire pressure is low or empty

Run-flat tire

All of the following statements are true EXCEPT: A. Service brakes consist of drum and or disc brakes and are operated by hand. B. The parking brake is used for holding the vehicle in place when it is stationary C. In disc brakes pads are forced against the outside of a brake disk D. Modern braking systems are hydraulically operated

Service breaks consist of drum and or disc brakes that are operated by hand

The components that are part of the sprung weight of a vehicle are

Suspension parts supported by Springs

Which type of lug nut is placed toward the rim and fits into a matching taper in the rim to help center the wheel on the lug studs

Tapered seat

All of the following statements are true EXCEPT: A. The steering box converts the rotary motion of the steering wheel to angular motion B. Steering linkage connects the steering box to the steering arm C. The steering system provides control over the vehicles direction of travel D. The steering knuckle pivots on bushings

The steering knuckle pivots on bushings

Choose the correct statement. A. Turning the steering wheel rotates the pinion and moves the rack up and down B. The teeth on both the pinion and the rack are helical gears C. A large pinion means the number of turns of the steering wheel is increased D. The steering ratio is the same on all vehicles

The teeth on both opinion on the rack are helical gears

The brake pedal uses leverage

To multiply the force applied to the master cylinder

All of the following are true EXCEPT A. The condition in which the front of the wheels are closer together than the rear of the wheels is called toe in B. The condition in which the front of the wheels are further apart in the rear is called toe out C. Toe out on turns the relative toe setting of the rear wheels as the vehicle turns. D. Improper toe settings cause much faster tire wear then camber or caster

Toe out on turns the relative toe setting of the rear wheels as the vehicle turns

In which type of parking brake does the rotor have a deeper offset the normal

Top hat design parking brake

All of the following statements with respect to break systems are true except A. Drum brakes are self energizing B. Trailing shoes are self energizing C. Leading shoes are self energizing D. Wedging effect assists the driver in applying brakes

Trailing shoes are self energizing

The component of the drum brake system attached to the backing plate is the

Wheel cylinder

Wheel alignments should be performed for all of the following reasons except: A. When the vehicle has covered a long distance with low tire pressure B. When tire wear shows any tire wearing angle issues C. When components are replaced that could affect the alignment D. Whenever new tires are being installed

When the vehicle has covered a long distance with low tire pressure

Which of the Following speed rating designations is rated for speeds above 149 mph

Z

tech a says that a differential assembly provides a means for the inside and outside wheels to turn at different speeds when going around a corner. tech b says that the differential assembly provides smooth shifts and reduces "grinding" by matching gear speeds

a only

teach a says that fifth gear provides more torque to the wheels than a second gear. tech b says that fourth gear provides more wheel speed than first gear.

b only

tech a says that the counter shaft is splined to fit into the hub in the clutch disc. tech b says that the output shaft has gears that are meshed with countershaft gears

b only

tech a says that the final drive is used to provide an increase in the rotational speed of the axles. tech b says that the final drive is used to provide an increase of twisting force on the axles.

b only

tech a says that dead axles allow the wheels to freely rotate on the axle assembly and do not drive the wheels. tech b says that the ring gear and pinion gear are part of the final drive assembly

both

tech a says that hot spots on the flywheel are a result of excessive heat. tech b says that a pulsation in a clutch pedal could be due to uneven clutch pressure plate levers

both

what is clutch pedal free-play

distance the clutch pedal moves before the master cylinder piston moves

which of these tools is used to center the clutch plate between the flywheel and the pressure plate during the installation of the pressure plate

clutch alignment tool

The manual transmission receives power from the engine by way of the

clutch assembly

all of the following are types of clutch operating systems except A. Hydraulic style B. Cable style C. Linkage style D. Clutch fork

clutch fork

which of these components smoothens out the power pulses from the pistons during the power strokes

flywheel

a 4:1 gear ratio results in _____ output torque and _____ output speed than a 2:1 gear

higher;lower

mechanical advantage can be used to generate a larger output force but it requires an

increase in input distance and speed

the clamping force to clamp the clutch disc, allowing it to transmit torque, is provided by the:

pressure plate

in some cable-operated clutch vehicles, which device provides self-adjustment as the clutch disc wears

quadrant ratchet

which of these parts compress the pressure plate springs

the clutch throw-out bearing and clutch fork

which of the following statements is correct with respect to the difference between a transmission and trans axle? A. A transmission is typically used in front wheel drive vehicles B. A transaxle is typically used in rear wheel drive vehicles C. The final drive assembly is incorporated in the transmission construction D. The final drive assembly is incorporated in transaxle construction

the final drive assembly is incorporated in trans axle construction

a clutch disc allows engine torque to transmit from the flywheel and pressure plate to the

transmission input shaft

choose the correct statement A. The differential assembly does not allow the wheels on an axle to rotate a different speeds B. Technically differential assembly is another name for final drive assembly C. The two varieties of differential assembly are open and closed D. Without the differential assembly the tires would bind skip hop and slide when going around the corner

without the differential assembly, the tires would bind, skip, hop, and slide when going around a corner