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Suspension theory

Total questions: 62

Worksheet time: 35mins

Name
Class
Date
1.

When a vehicle turns itself when a vehicle hits a bump, This is called?

a)

torque steering

b)

independent suspension

c)

bump steer

d)

drifting

2.

An anti- roll bar is also known as :

a)

a control arm

b)

a sway bar

c)

torsion bar

d)

trailing arm

3.

All of these are types of suspension strings EXCEPT :

a)

coil spring

b)

leaf spring

c)

return spring

d)

torsion bar

4.

When doing a simple check of shocks, a technician should:

a)

push the car forward

b)

bounce the car

c)

hit speed bumps going fast

d)

puch the car backward

5.

A failed leaf spring will :

a)

be bent

b)

be cracked

c)

sag

d)

all of the above

6.

On a SLA suspension, The lower control arm will be :

a)

shorter

b)

longer

c)

weaker

d)

stronger

7.

This component absorbs bumps in the road to help prevent driver feel.

a)

rotor

b)

leaf spring

c)

shock

d)

sway bar

8.

This is also known as a MacPherson type component:

a)

Strut

b)

Shock

c)

Leaf spring

d)

coil spring

9.

true of false : A technician should always replace struts in pairs?

a)

True

b)

False

10.

A _______________ has a large amount of energy when it is compressed. So much care should be taken during disassembly.

a)

insulator

b)

coil spring

c)

shock

d)

control arm

11.

What is the purpose the Control Arm Bushings between the frame and control arm?

a)

To act as a bearing allowing the arm to pivot up and down

b)

To increase road noise and vibrations

c)

To add a little more suspension to the system

d)

To allow the steering knuckle to pivot

12.

Why are ball joints typically found only on the front suspension system?

a)

Ball Joints are needed to allow the front wheels to turn

b)

To save cost

c)

Ball Joints are a pivot between the frame and control arm

d)

Ball joints can be found on the rear suspension system if the car has 4 wheel steering.

13.

Having a control arm in the suspension systems makes it a _____________.

a)

Dependent Suspension System

b)

Independent Suspension System

14.

Which of the following would best describe the ride of a vehicle with no or worn shock absorbers?

a)

Bouncy

b)

Stiff

c)

Rigid

d)

Soft

15.

Besides poor ride quality what do you think would be a sign of a worn shock?

a)

Leaking Fluid

b)

More road noise

c)

Alignment change

d)

Stiffer ride quality

16.

Which of the following body movements does the Stabilizer Bar (Sway Bar) try to prevent?

a)

Body Dive

b)

Body Roll (Sway)

c)

Body Squat

17.

By looking at the last image what is the main difference between SLA and MacPherson?

4 lines
18.

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

a)

a bouncy ride

b)

a reduction in steering control

c)

noises when going over a bump

d)

improper transmission shifting

19.

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

a)

axles

b)

brakes

c)

steering parts are not supported by springs

d)

suspension parts supported by springs

20.

The suspension system performs all of the following functions except:

a)

absorbing the large road forces generated while driving on non-perfect roads

b)

holding the wheels and tires in the proper orientation

c)

monitoring the tread wear of each tire

d)

supporting the weight of the chassis, drivetrain, passenger compartment, occupants, and any additional load

21.

The movement around an imaginary line drawn down the center of the vehicle from front to back is called:

a)

yaw

b)

roll

c)

pitch

d)

rock

22.

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

a)

Springs

b)

Shock Absorbers

c)

Control Arms

d)

Axles

23.

Tech A says that one purpose of the suspension system is to keep the tires in contact with the road. Tech B says that the heavier the weight of the unsprung components, the smaller the reaction force they will generate. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

24.

A ________ bushing allows the suspension unit or component to comply with a controlled amount of movement in the direction of the void.

Select one:

a)

Control arm

b)

Rubber-bonded

c)

Spring shackle

d)

Compliance

25.

The ________ is all the parts of the vehicle that are not supported by springs, including the components that follow the road contours, such as wheels, tires, axles, and outboard brake assemblies.

Select one:

a)

Reaction force

b)

Sprung mass

c)

Unsprung mass

d)

Weightless area

26.

Vehicle ride and handling can be improved by keeping the unsprung mass as high as possible.

Select one:

a)

True

b)

False

27.

The progressive rate spring provides a softer ride when the vehicle is lightly loaded.

Select one:

a)

True

b)

False

28.

An unloaded ball joint supports the weight of the vehicle.

Select one:

a)

True

b)

False

29.

The nonindependent, solid axle system is fairly expensive and complicated.

Select one:

a)

True

b)

False

30.

In a solid axle suspension, when one wheel goes over a bump, the other wheel tilts.

Select one:

a)

True

b)

False

31.

The ________ axle is one that does not transmit drive to the wheel, acting only to support it.

Select one:

a)

Dead

b)

Straight

c)

Full-floating

d)

Semi-floating

32.

Rubber ________ and ________ stops are used to prevent direct metal-to-metal contact between the control arms and the frame if the suspension should reach its maximum limit of travel.

Select one:

a)

Pivot; jounce

b)

Jounce; rebound

c)

Rebound; pivot

d)

Pins; jounce

33.

What type of spring is mounted on a strut suspension system?

Select one:

a)

Leaf spring

b)

Coil spring

c)

Torsion bar

d)

None of the above

34.

The front wheels of a vehicle can have a different type of suspension system than the rear wheels.

Select one:

a)

True

b)

False

35.

Tech A states that the main function of the rear suspension system is to keep the rear tires in contact with the road and aligned with the front tires. Tech B states that all-wheel drive rear suspension systems are very simple in construction and design. Who is correct?

Select one:

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

36.

Tech A says on some independent rear axles, the half-shafts are the upper link of the suspension. Tech B says a rear independent suspension may have upper and lower control arms. Who is correct?

Select one:

a)

Tech A

b)

Tech B

c)

Both Techs A and B

d)

Neither Tech A nor B

37.

In ________ vehicle suspensions, the coil spring is mounted between the axle housing and the vehicle body.

Select one:

a)

Rigid-axle leaf-spring

b)

Rigid non-drive axle

c)

Rigid-axle coil-spring

d)

None of the above

38.

Which of the following do the sensors in an active suspension system NOT monitor?

Select one:

a)

Pitch

b)

Suspension height

c)

Tire pressure

d)

Vertical and horizontal acceleration

39.

On some vehicles, adaptive air suspension is activated when the door is open and the key is turned on.

Select one:

a)

True

b)

False

40.

Tech A states that adaptive air suspension systems are more sophisticated than active systems. Tech B states that adaptive air suspension systems can only change the dampening effect but cannot actively raise or lower the wheel. Who is correct?

Select one:

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

41.

If the adaptive air suspension control system determines that the vehicle's ride height is too ______, it will command that air be added to the appropriate adaptive shock absorbers.

Select one:

a)

High

b)

Low

c)

Fast

d)

Slow

42.

The movement around an imaginary line drawn down the center of the vehicle from front to back is called:

Select one:

a)

yaw.

b)

roll.

c)

pitch.

d)

rock.

43.

One of the main purposes of a car suspension is to maximise the friction between

a)

The tires and the road surface

b)

The engine and the transmission

c)

The wheels and the axle

d)

The steering wheel and the steering column

44.

A bump, or imperfection, on the roadway causes the vehicle's wheel to move up and down perpendicular to the road surface. What is this motion called?

a)

Vertical Acceleration

b)

Vibration

c)

Oscillation

d)

Lateral acceleration

45.

Match the types of springs used in automotive suspension systems

a)
1.

Leaf Spring

b)
2.

Coil Spring

c)
3.

Torsion Bar

d)
4.

Air Spring

e)
5.

Rubber Spring

46.

The term that describes the vehicle's ability to absorb road shock from the passenger compartment is

a)

Road Isolation

b)

Road Holding

c)

Acceleration Control

d)

Cornering Efficiency

47.

Identify this component

a)

Control arm

b)

Sway bar 

c)

Steering knuckle 

d)

Strut Fork

48.

A ___________ has a large amount of energy when it is compressed. So much care should be taken during disassembly.

a)

Insulator

b)

Coil spring

c)

Shock

d)

Control arm

49.

All modern shock absorbers are (a)   the faster the suspension moves, the more (b)   the shock absorber provides.

Choose from the below words
velocity-sensitive
resistance
wishbone-shaped
computer-controlled
computer-controlled
control
grip
displacement
energy efficient
50.

Hydro Gas uses a capsule of ______ as its springing medium

a)

Nitrogen

b)

Carbon dioxide

c)

Helium

d)

Propane

51.

The mass between the road and the suspension springs is ________

a)

Unsprung Mass

b)

Axle Weight

c)

Wheel Mass

d)

Sprung Mass

52.

Identify the types of available Independent Suspensions

a)

Platform Suspension

b)

Fishbone Suspension

c)

Vertical Guide Suspension

d)

Trailing Link Suspension

e)

Swinging Half Axles Suspension

53.

A disadvantage of a solid front axle on a vehicle is_________ .

a)

the wheels cannot be turned

b)

lack of ride quality

c)

poor load capacity

d)

all of these

54.

Two technicians are discussing suspension bushings. Technician A says that replacing control arm bushings usually requires special tools. Technician B says using high-performance urethane bushings may cause excessive noise to be transferred to the passenger compartment. Which technician is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and Tech B

d)

Nether Tech A nor Tech B

55.

What should the technician do when replacing stabilizer bar links?

a)

The stabilizer bar should be removed from the vehicle before replacing the links

b)

The links can be replaced individually, yet the manufacturer often recommends that the links at both ends and be replaced together

c)

The stabilizer bar must be compressed using a special tool before removing or installing stabilizer bar links

d)

Both b and c are correct

56.

Unusual noise during a test-drive can be caused by___________ .

a)

defective wheel bearings or stabilizer bar links

b)

defective or worn control arm bushings or ball joints

c)

worn or defective CV joints

d)

all of the above

57.

A vehicle is equipped with a SLA front suspension. What do the letters mean?

a)

Single long arm

b)

Side-lateral angle

c)

short-long arm

d)

solid link assembly

58.

A noise and a pull toward one side during braking is a common symptom of a worn or defective_____________

a)

shock absorber

b)

Strut rod bushing

c)

stabilizer bar link

d)

track rod bushing

59.

Two technicians are discussing non-indicator-type ball joint inspection. Technician A says that the vehicle should be on the ground with the ball joints loaded, then checked for freeplay. Technician B says that the ball joints should be unloaded before checking for freeplay. Which technician is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

60.

Most manufacturers specify a maximum axial play for ball joints of about________ .

a)

0.003 inch (0.076 mm)

b)

0.010 inch (0.25 mm)

c)

0.030 inch (0.76 mm)

d)

0.050 inch (1.27 mm)

61.

A light film of oil is observed on the upper area of a shock absorber. Technician A says that this condition should be considered normal. Technician B says that a rod seal may bleed fluid during cold weather, causing the oil film. Which technician is correct?

a)

Tech A

b)

Tech B

c)

Both Tech A and Tech B

d)

Neither Tech A nor Tech B

62.

Before the strut insert can be removed from a typical MacPherson strut assembly, which operation is necessary to prevent possible personal injury?

a)

The brake caliper and/or brake hose should be removed from the strut housing.

b)

The coil spring should be compressed

c)

The upper strut mounting bolts should be removed

d)

The lower attaching bolts should be removed