Departmental Test Questions

Department: Steering, Suspension and Brakes (SSB)

Questions:
1. What is meant by ABS?
a) Avoid Brake System
b) Actual Brake System
c) Anti-lock Braking System
d) Automatic Brake System

2. What is the primary function of a suspension system in a vehicle?

a) Improve fuel efficiency
b) Enhance engine performance
c) Provide comfort and stability
d) Increase braking power

3. Which does the term “ride height” refer to in a suspension system?

a) The height of the tires
b) The distance between the vehicle’s chassis and the ground
c) The length of the shock absorbers
d) The height of the control arms from ground

4. What is the primary function of the steering system in a vehicle?

a) To control the speed of the vehicle

b) To navigate and direct the vehicle
c) To control the vehicle's braking system
d) To adjust the vehicle's suspension system
5. What is the cause of poor braking?
a) Wet brake lining
b) Burnt worn out lining
c) Both are correct
d) None of the above

6. Which suspension system consists of upper and lower arms that allow
for more precise alignment and improved handling?
a) Leaf spring suspension
b) Solid axle suspension
c) Double wishbone suspension
d) MacPherson strut

7. What type of fluid is commonly used in a hydraulic power steering

system?

a) Brake fluid
b) Engine oil
c) Power steering fluid
d) Transmission fluid

8. Which steering system component is responsible for converting the

rotational motion of the steering wheel into the linear motion
needed to turn the wheels?

a) Steering rack
b) Steering pump
c) Steering knuckle
d) Steering column

9. In disc brakes, the disc is attached to the

a) Wheel
b) Axle
c) Suspension System
d) None of the above
10. Which suspension system is commonly found in modern passenger
cars?
a) Beam axle
b) Leaf spring suspension
c) Independent suspension
d) Solid axle

11. What is the cause of noisy brake faults?

a) Bent back plate
b) Dirty lining
c) Drum distorted
d) All are correct

12. What is the purpose of the steering gear in a vehicle's steering

system?

a) To convert rotational motion of the steering wheel to linear

motion
b) To maintain the vehicle’s alignment
c) To provide power assist to the steering
d) To support the weight of the vehicle

13. Brake bleeding removes ______ from the hydraulic brake system.
a) Air
b) Vacuum
c) Excess fluid
d) Excess pressure
14. Which of the following is the most common type of independent
suspension system?
a) Beam axle
b) MacPherson strut
c) Leaf spring
d) Rigid axle

15. How does the Ackermann steering geometry benefit a vehicle's

steering system?

a) It reduces the vehicle's top speed

b) It improves fuel efficiency
c) It ensures that all wheels follow the correct path during a turn
d) It increases the steering wheel rotation angle

16. Which system helps a driver turn the steering wheel with less effort?

a) Manual steering
b) Power steering
c) both a and b
d) Suspension system

17. Heat dissipates quickly in drum brakes than disc brakes

a) True
b) False

18. What is the main purpose of a coil spring in a suspension system?

a) To enhance braking performance
b) To allow for axial movement
c) Absorb and dissipate energy from road impacts
d) Increase engine power
19. The main function of master cylinder is to
a) Adjust the extent of brake pedal free play
b) Boost the force applied to brake pedal
c) Convert brake pedal force into hydraulic pressure
d) Ensure all the wheel brakes are supplied with the same amount of
fluid pressure

20. What does a sway bar do in a suspension system?

a) Increase engine power
b) Reduce body roll during cornering
c) Ensure braking performance
d) Improve fuel efficiency

21. Which part connects the steering wheel to the steering mechanism?

a) Steering column
b) Gearbox
c) Axle
d) Differential

22. What is the purpose of a damper in a suspension system?

a) Control oscillations and improve ride quality
b) Increase engine efficiency
c) Reduce tire wear
d) Enhance braking performance

23. Which of the following phrases correctly describes the function of

brake?
a) To reduce force on vehicle
b) To stop in emergency
c) To decelerate the vehicle
d) None of the above
24. Which type of a suspension system is most commonly used in heavy
trucks?
a) Air suspension
b) Leaf spring suspension
c) Independent suspension
d) Torsion bar suspension

25. What is the purpose of the steering linkage?

a) To connect the steering wheel to the wheels

b) To control the vehicle's speed
c) To improve fuel efficiency
d) To activate the vehicle's lights

26. What is the main purpose of a bushing in a suspension system?

a) Reduce friction between moving parts
b) Enhance braking performance
c) Increase vehicle speed and stability
d) Improve fuel efficiency

27. The role of antilock brake system is that

a) It reduces the vehicle's stopping distances

b) It minimizes brake fade
c) It maintains directional control during braking by preventing the
wheels from locking
d) It prevents nose dives during braking and thereby postpones
locking of the wheels

28. Which type of fluid is used as a brake fluid?

a) Real fluid
b) Ideal fluid
c) Compressible fluid
d) Incompressible fluid
29.What is the main difference between traditional hydraulic power
steering (HPS) and electric power steering (EPS) in terms of energy
efficiency?

a) HPS is more energy efficient because it uses mechanical power from

the engine.

b) EPS is more energy efficient because it only consumes power when

steering assistance is required.

c) HPS is more energy efficient because it uses less fluid.

d) EPS is less energy efficient because it requires continuous electric
power.

30. What material are most modern springs made from?

a) Plastic
b) Steel
c) Aluminum
d) Rubber

31. Why are grooves and drills made on brake rotors?

a) To facilitate heat dissipation
b) To reduce pressure on brake system
c) To reduce the weight of brake rotor
d) All of the above

32. In a multi-link suspension system, what is the primary purpose of the

multiple links?
a) Reduce manufacturing costs
b) Simplify the design
c) Increase ride height
d) Provide precise control of wheel movement
33. Water is used as a brake fluid.
a) True
b) False

34. What is the primary advantage of using steer-by-wire technology in

modern vehicles?

a) Increased mechanical complexity

b) Direct mechanical connection between the steering wheel and

wheels
c) Elimination of mechanical linkages, allowing for more flexible
vehicle design and improved safety features

d) Reduced dependency on electronic systems

35. Which of the following action occur during brake action.

a) Conversion of heat energy to kinetic energy
b) Conversion of kinetic energy to heat energy
c) Accumulation of energy
d) None of the above

36. The angle between the vertical axis of the wheels used for steering
and the vertical axis of the vehicle when viewed from the front or
rear
a) Camber angle
b) Caster angle
c) Tyre angle
d) None
37. Hand brake of vehicle is
a) External contracting brake
b) Internal expanding brake
c) External expanding brake
d) Internal contracting brake

38. What is the main function of a ball-joint in a suspension system?

a) To reduce friction between connected parts
b) Allow for pivoting movement of the control arms
c) Help in absorbing road shocks
d) To increase strength of joint

39.For perfect steering the front left and right wheel of the vehicle
should turn at
a) Same angles
b) Different angles
c) Should not turn at angles
d) None

40. Tadem master cylinder consists of

a) One cylinder and One reservoir
b) Two cylinder and One reservoir
c) One cylinder and Two reservoir
d) Two cylinder and Two reservoir
 QUESTIONNAIRE

1. Can you explain the basic function of a car's suspension system?

2. What are the primary components of a typical suspension system?

3. What are the different types of suspensions systems?

4. What factors should be considered when selecting suspension

components for a specific vehicle application?

5. Can you explain the basic principles behind how a car's braking system
works? Which law of thermodynamics is applicable here?

6. What do you mean by brake fade?

7. Why are grooves and drills made in brake rotors?

8. Which liquid substance is used as brake fluid? Is brake fluid compressible

or not?

9. Water is incompressible, then why is it unsuitable as brake fluid?

10. How does a drum brake system differ from a disc brake system, and
what are the advantages and disadvantages of each?

11. How will you solve brake squeal problem?

12. What advancements or innovations do you foresee in the future of

suspension and brake technology for automobiles?

13. Explain Hydraulic braking system? On which law it’s based?