Auto 09 - The Suspension Is Killing Me!
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A quiz on vehicle suspension systems - yippee!
- 1.
Which of these is not a function of the suspension system?
- A.
Isolate passengers from pot holes & bumps
- B.
To control the direction the vehicle is traveling
- C.
Maintain tire contact with road surface
- D.
Support the weight of the vehicle
Correct Answer
B. To control the direction the vehicle is travelingExplanation
The direction the vehicle is traveling ithe job of the steering system, which has to work with the suspension system.Rate this question:
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- 2.
Which of these are no longer commonly used as automotive suspension springs?
- A.
Coil springs
- B.
Leaf springs
- C.
Air bags
- D.
Torsion bars
Correct Answer
C. Air bagsExplanation
Air bags are still used in some commercial trucks, but not for any current passenger vehicle.Rate this question:
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- 3.
Control arms are attached to the steering knuckle with a….
- A.
Ball joint
- B.
Urethane bushing
- C.
Sway bar
- D.
Shock absorber
Correct Answer
A. Ball jointExplanation
Keeping the steering geometry functioning while the wheel assembly moves around requires a tough but flexible connection - a ball and socket joint like the ones that allow your legs to move is a good choice of pivoting joint.Rate this question:
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- 4.
When bounce-testing a car’s suspension, how many times should the car bounce?
- A.
Once or twice
- B.
Three or four times
- C.
None at all
- D.
You shouldn’t bounce-test a car
Correct Answer
A. Once or twiceExplanation
Any more than one or two bounces shows that the shock absorbers aren't doing their job.Rate this question:
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- 5.
Which of these statements about shock absorbers is true?
- A.
Shock absorbers work on the principle of gas displacement
- B.
Shock absorbers reduce the sprung weight of the vehicle 50%
- C.
Shock absorbers absorb shocks
- D.
Shock absorbers support the weight of the vehicle
Correct Answer
A. Shock absorbers work on the principle of gas displacementExplanation
Shock absorbers dampen the shocks (rather than absorb them - the springs do that) by making gasses pass through tiny holes to slow down bouncing.Rate this question:
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- 6.
Worn sway bar bushings will lead to what?
- A.
Faulty shock absorbers
- B.
Wheel shimmy
- C.
Wheel tramp
- D.
Clunking noises
Correct Answer
D. Clunking noisesExplanation
Worn sway bar bushings will let the sway bar rattle around in its mount, causing clunking sounds.Rate this question:
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- 7.
Regarding tire code: P215/25 R 18. What diameter rims does the tire fit and what type of construction is it?
- A.
25” rims and bias construction
- B.
18” rims and bias construction
- C.
25” rims and radial construction
- D.
18” rims and radial construction
Correct Answer
D. 18” rims and radial constructionExplanation
The last letter "R" means radial construction, and the last number "18" tells the diameter of the rims the tire is meant to be mounted on.Rate this question:
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- 8.
Regarding tire code: P215/25 R 18. What is the height of the sidewall?
- A.
18 mm
- B.
25 mm
- C.
54 mm
- D.
It can’t be found from the tire code
Correct Answer
C. 54 mmExplanation
The "/25" part of the code tells you that the sidewall height is 25% of the tread width (25% x 215 = 54 mm)Rate this question:
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- 9.
A treadwear rating of 175 is….
- A.
Considerably better than ‘average’
- B.
Not nearly as good as ‘average’
- C.
An ‘average’ rating
- D.
Not a valid rating
Correct Answer
A. Considerably better than ‘average’Explanation
100 is considered and average rating, 175 is better, 65 is worse.Rate this question:
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- 10.
How frequently should tires be rotated?
- A.
Once a year
- B.
Every 5 000 km
- C.
Every 10 000 km
- D.
Every 20 000 km
Correct Answer
C. Every 10 000 kmExplanation
Twice a year approximately (average annual driving is about 20 000 km). About every second or third oil change.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 08, 2023Quiz Edited by
ProProfs Editorial Team -
May 31, 2011Quiz Created by
Ginmonk
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