Auto Tech 2 steering review 1

In an electrical circuit, a diode functions as a: __Valve. __Timing device. __Resistor. __Fuse.

Valve.

In an electronically controlled cruise control system, which of these is used to monitor vehicle speed? __Vehicle speed sensor __Wheel speed sensor __Generator speed sensor __Turbine speed sensor

Vehicle speed sensor

To prevent damage to a control module, which of these does a grounding type switch always use? __Diode __Capacitor __Resistor __Transistor

Resistor

Which of these will determine if a steering shaft is bent? __Shaft runout test __Shaft balance test __Steering wheel wobble test __Torque-to-turn procedure

Shaft runout test

Premature wheel bearing failure may occur for any of these reasons except: __Front-end misalignment. __A lack of lubrication. __A failed seal. __Underinflated tires.

Underinflated tires.

Air bag modules should be stored with the horn pad: __On its end. __On its side. __Facing up. __Facing down

Facing up.

Duty cycle is the ratio of: __"On time" compared to the complete cycle, expressed as a percentage. __Pulse width compared to the complete cycle, expressed as a frequency. __A signal's frequency compared to its voltage, expressed as a percentage __A signal's amplitude compared to its frequency, expressed as a percentage.

"On time" compared to the complete cycle, expressed as a percentage.

At what degree of angle to the tire centerline do a radial tire's belts run? __45 __90 __120 __180

90

The type of DC waveform in which the signal voltage is high and low for equal amounts of time is called: __A sine wave. __A 50% duty cycle waveform. __A pulse width modulated waveform. __ A stepped waveform.

A 50% duty cycle waveform.

Even if the battery becomes disconnected during a vehicle crash, which of these enables an air bag to depoly in an accident? __A backup power supply __A mechanical push-arm igniter __The velocity versus solid object sensor __A "sudden stop" signal received from the vehicle speed sensor

A backup power supply

Any of these tools may be used to tighten a wheel bearing castellated nut except: __Slip joint pliers. __An adjustable open end wrench. __A box wrench. __A rubber mallet.

A box wrench.

A twin I-beam suspension is best described as: __A combination of a solid axle and independent suspension system. __A combination of a solid axle and non-independent suspension system. __A combination of half-shaft and independent suspension system. __A suspension system which uses radius rods.

A combination of a solid axle and independent suspension system.

A "V" shaped solid axle used on a medium or heavy duty truck may be used to permit: __A small amount of deflection __A large amount of deflection __Easier wheel alignment __Easier parts replacement

A large amount of deflection

Technician A says that the term "parallelism" describes when the wheel tread centerline parallel to the geometric centerline. Technician B says that the term "zero axis inclination" is when the wheel tread centerline is parallel to the geometric centerline. Who is right? __A only __B only __Both A and B __Neither A and B

A only

In some vehicles, any of these actions may cancel the cruise control function s except: __Applying the brakes. __Accelerating the vehicle. __Driving full throttle up a very steep hill. __Shifting gears in a manual transmission vehicle.

Accelerating the vehicle.

Which of these air bag components are serviceable? __Air bag module __Igniter assembly __Mounting plate __Bag assembly

Air bag module

Which of these wheel types offers increased brake cooling? __Directional __Aluminum __Steel __Omni-directional

Aluminum

The number of times a wave repeats in a second is called: __Amplitude. __Time base. __Period. __Frequency

Amplitude.

The type of test instrument (meter) that uses a sweeping needle and a scale to display test values is called a/an: __Analog meter. __Digital meter. __Oscilloscope. __Logic probe.

Analog meter.

A "zero toe" condition is best described as when the wheels: __Are parallel to each other. __Have equal amounts of caster. __Have equal amounts of camber. __Are aimed in a straight ahead direction.

Are aimed in a straight ahead direction.

A truck exhibits high steering effort. Technician A says that a sheared shift tube could be the cause. Technician B says that the column assembly is misaligned. Who is correst? __A only __B only __Both A and B __Neither A and B

B only

Which of these should be applied to a clean dry bearing wheel bearing to keep it from rusting? __Brake fluid __Bearing grease __Silicone __Spray preservative

Bearing grease

Though different manufacturers have different specification, how fast must a vehicle be moving before the air bag system is armed and ready to deploy if needed? __Any speed above zero __Between 3 and 10 mph __Between 12 and 28 mph __At least 45 mph

Between 12 and 28 mph

Which of these tires have plies that are layered in opposite directions on top of one another? __Bias-ply __Radial __Steel __Fiberglass Belt

Bias-ply

A vehicle pulls to one side when the steering wheel is straight ahead. Technician A says a wheel alignment may be needed. Technician B says the steering wheel may be improperly indexed on the steering shaft. Who is right? __A only __B only __Both A and B __Neither A and B

Both A and B

Wheel bearings have been cleaned with solvent, Technician A says to dry the bearings with compressed air. Technician B says that spin drying a bearing with compressed air could cause the bearing to explode. Who is right? __A only __B only __Both A and B __Neither A and B

Both A and B

Which part of a computer receives information and makes decisions based on its programming? __ROM __CPU __CDR __RAM

CPU

In order to align the wheels so access to the valve stems is available for both wheels, some trucks with dual rear wheels use: __Split safety locks. __Centering pins. __valve stem alignment rods. __king pins.

Centering pins.

When a normally closed relay is energized, its contacts: __Make contact. __Turn on. __Open. __Close.

Close.

Duane Chapman struts are used lateral links are attached to help: __Control lateral movement. __Achieve better fuel mileage. __Control jounce. __Control yaw rate.

Control lateral movement.

A scan tool connects to the vehicle communication system by way of the: __Data link connector. __Relay panel. __Ignition switch. __Fuse panel.

Data link connector.

Caster is measured in: __Degrees __Centimeters __Millimeters __Thousandths of an inch.

Degrees

Positive camber improves all of these except: __Yaw rate __Directional stability __Road isolation __Ride quality

Directional stability

When servicing an air bag, what is the first step a technician should take? __Disconnect the impact sensors. __Disconnect the clockspring electrical connector. __Take resistance measurements at all electrical connectors. __Disconnect the battery negative cable.

Disconnect the battery negative cable.

Which of these methods will calculate circuit resistance? __Divide amps by volts. __Divide volts by amps. __Multiply volts times amps. __Multiply amps times ohms.

Divide volts by amps.

Which of these will calculate circuit current? __Multiply volts times watts. __Multiply volts times ohms. __Divide ohms by volts. __Divide volts by ohms.

Divide volts by ohms.

Semiconductors are made useful as conductors through which of these processes? __Doping __Electrolysis __Purification __Ionization

Doping

Bearing cups may be installed using a mallet and a : __Pin punch __Drift punch __Screwdriver __Socket extension

Drift punch

The Hydraulic power steering pump is driven by the: __Water pump. __Power steering motor. __Generator. __Engine.

Engine.

Which of these specifies repair times? __New model training manual __OE service manual __Technical service bulletins (TSBs) __Flat-rate manual

Flat-rate manual

Which part of a tire is used to disperse water that could cause hydroplaning? __Groove __Sipe __Bead __Belt

Groove

Which of these is a characteristic of a high caster setting?__Less steering effort required __Reduced directional stability __Improved directional stability __A slower wheel return to center

Improved directional stability

When using an ohmmeter, how should the leads be placed in relation to the circuit or component being tested? __In parallel, with the power off __Across the load, with power on __In-line __In series

In parallel, with the power off

The angle formed between the centerline of the tire and the steering axis inclination is called the: __Included angle. __Instant center. __Slip angle. __Yaw angle.

Included angle.

Which of these are advantages of using light emitting diodes (LEDs) over incadescent lamps? __LEDs are less expensive. __LEDs produce more light and operate at higher voltages. __LEDs are not current or voltage sensitive. __LEDs produce less heat and requires less current to operate.

LEDs produce less heat and requires less current to operate.

Which of these is done when adjusting a front wheel bearing? __Set the parking brake __Loosen the castellated nut. __Apply the service brakes. __Remove the nut and washer

Loosen the castellated nut.

Any of these should be done to prevent wheel bearing damage after removing a wheel hub except: __Support the vehicle using jack stands. __Support the vehicle on a lift. __Raised the vehicle so the wheels are off the ground __Lower the vehicle so it is supported by the suspension.

Lower the vehicle so it is supported by the suspension.

Periodic rotation of vehicle tires for most likely ensure all of these except: __Maximum tire life __Maximum vehicle fuel economy __Maximum vehicle safety __Optimum vehicle handling

Maximum vehicle fuel economy

Following collision damage to a vehicle's front end , which of these procedures may be used to determine if axle damage exists? __Measure front wheel set back. __Lift both front wheels and rotate the tires to measure for radial runout. __Measure relay rod length and compare to axle. __Measure Camber.

Measure Camber.

The wishbone suspension system has all of these qualities except that it is: __Most often used on trucks. __Fully-independent. __Lightweight and space-efficient. __Most often used on high performance cars.

Most often used on trucks.

Regarding wheel alignment, a vehicle will pull to the side having the: __Most positive camber. __Least positive camber. __Most positive caster. __Least negative toe.

Most positive camber.

Which of these, if out of adjustment, could cause a vehicle to pull to one side? __Positive caster __Negative caster __Positive camber __Negative Ackerman angle

Negative caster

Technician A says that vehicle camber is positive when the top of the front wheel(s) tilts inward. Technician B says that caster is negative when the wheel(s) axis leans backward. Who is right? __A only __B only __Both A and B __Neither A and B

Neither A and B

Which of these refers to the distance from the wheel's mounting face to the actual center of the wheel? __Section width __Aspect ratio __Profile __Offset

Offset

A diode that has high resistance or an infinite reading in both directions is considered: __Open. __Shorted. __In perfect working order. __Reverse-biased.

Open.

Which of these steering system components converts rotary motion into lateral motion? __Centerlink __Pitman arm __Power steering pump __Idler

Pitman arm

On some vehicles a steering dampener is used to reduce the effect of: __Positive caster __Negative caster __Positive camber __Negative camber

Positive Caster

After installing the outer wheel bearing , washer, and retaining nut, the technician should: __Install the brake caliper. __Adjust bearing side thrust __Perform a torque-to-turn test. __Pre load the bearing.

Pre load the bearing.

Which of these procedures is performed to determine if power steering pump needs to be replaced? __Steering effort test __Pressure/flow test __Lock-to-lock test __Steering wheel alignment test

Pressure/flow test

Which of these describes when a vehicle's rear wheels track directly behind the front wheels? __Proper thrustline __Dog tracking __Ackerman effect __Toe

Proper thrustline

Which of these tools should be used to remove the inner bearing cup/race from a wheel hub or rotor? __Punch __Screwdriver __Pickle fork __Socket wrench

Punch

Which of these tightening patterns should be used when tightening wheel lug nuts to specified torque? __Circular __Star/criss-cross __Random __Makes no difference

Star/criss-cross

A vehicle is being viewed from the front. Which of these terms describes the angle formed by the centerline of the ball joints compare to true vertical? __Steering axis inclination __Scrub radius __Instant center __Included angle

Steering axis inclination

When viewed from the front of the vehicle, the angle formed by the centerline of the ball joint compared to true vertical is called: __Caster. __Camber. __Cross axis angle. __Steering axis inclination

Steering axis inclination

When compared with a true vertical line, caster is the forward or backward tilt of the: __Front wheel. __Steering axis. __Upper control arm. __Lower control arm.

Steering axis.

In a thermistor, electrical resistance decrease as: __Voltage increases. __Voltage decreases. __Temperature increases. __Temperature decreases.

Temperature increases.

Which of these statements best describes thrust angle? __The combination of the thrust line and the geometric centerline __The difference between the pivot point and thrust line __The combination of the thrust line and pivot point __The difference between the thrust line and the geometric centerline

The difference between the thrust line and the geometric centerline

When using a voltmeter, the black lead should be connected to: __The hot side of the circuit. __The positive side of the circuit or component. __The ground side of the circuit or component. __Either side of the circuit.

The ground side of the circuit or component.

A strut bearing is being replaced. Which of these describes the part of the bearing that should face upward? __The larger diameter __The smaller diameter __The word "top" __The word "up"

The larger diameter

In a cruise control system, which component controls the amount of vacuum that is applied to the servo unit? __The transducer __The throttle body __The cruise switch __The brake pedal position switch

The transducer

When adjusting a recirculating ball steering gear, which of these must be adjusted first? __Sector mesh adjustment __Thrust bearing preload __Cross shaft endplay __Backlash

Thrust bearing preload

When the steering wheel points straight ahead, the difference between the way set of tires point as compared to straight ahead is referred to as: __Toe. __Camber. __Caster. __Thrust.

Thrust.

Which of these is true regarding a lab-type oscilloscope? __It averages the voltage readings before displaying them. __Time is displayed along the vertical axis and current is displayed along the horizontal axis. __Time is displayed along the vertical axis and voltage is displayed along the horizontal axis. __Time is displayed along the horizontal axis and voltage is displayed along the vertical axis.

Time is displayed along the horizontal axis and voltage is displayed along the vertical axis.

What is the purpose of a rectifiercircuit? __To convert DC voltage to AC __To convert AC voltage to DC __To smooth out voltage pulsations __To create square wave AC

To convert AC voltage to DC

When using an ammeter, the red lead should be connected: __To the side of the connector closest to the positive side of the battery. __To the side of the connector farthest from the positive side of the battery. __To side of the connector closest to the negative side of the battery. __To ground.

To the side of the connector closest to the positive side of the battery.

Which of these describes a torsion bar front suspension system? __Torsion bars are mounted inline or transversely, depending on vehicle design. __One end of the torsion bar is attached __A suspension height adjustment is positioned on the end of the torsion bar connected to the control arm. __Torsion bars eliminate the need for shock absorbers in the front suspension system.

Torsion bars are mounted inline or transversely, depending on vehicle design.

Which of these is an example of semi-independent rear suspension? __Trailing arm __MacPherson strut __Solid rear axle __Twin I-beam

Trailing arm

On a lab-type oscilloscope, the voltage level that must be reached to start the pattern sweep is called the: __Pulse. __Trigger. __Trip signal. __Activation signal.

Trigger.

In a torsion bar rear suspension system there are how many torsion bars? __One torsion bar. __Two __Three __Four

Two

When a vehicle's front wheels are parallel to each other, toe is considered to be: __Zero __Negative __Positive __Neutral

Zero