Okay, here are 100 multiple-choice questions focused on the Vehicle

Underchassis, along with their correct answers. This will cover the
components located underneath a vehicle, their functions, and common
issues.

Instructions: Choose the best answer from the four choices provided.

1. What is the purpose of the underchassis?

a) To improve the vehicle's appearance.
b) To provide a structural framework for the vehicle and house its
mechanical components.
c) To protect the vehicle from the sun.
d) To increase fuel efficiency.

Answer: b) To provide a structural framework for the vehicle and

house its mechanical components.

2. Which of the following is NOT typically considered part of the

underchassis?
a) Suspension System
b) Steering System
c) Exhaust System
d) Windshield

Answer: d) Windshield

3. What is the function of the frame (or unibody) in the

underchassis?
a) To provide cushioning for the ride.
b) To support the vehicle's weight and provide structural integrity.
c) To steer the vehicle.
d) To cool the engine.

Answer: b) To support the vehicle's weight and provide structural

integrity.

4. What is the purpose of the suspension system?

a) To transmit power from the engine.
b) To steer the vehicle.
c) To absorb shocks and vibrations from the road, providing a comfortable
ride.
d) To cool the brakes.

Answer: c) To absorb shocks and vibrations from the road, providing

a comfortable ride.

5. Which of the following is a common component of the suspension

system?
a) Spark Plug
b) Brake Pad
c) Shock Absorber
d) Fuel Filter

Answer: c) Shock Absorber

6. What is the function of the steering system?

a) To transmit power from the engine.
b) To allow the driver to control the direction of the vehicle.
c) To cool the engine.
d) To improve fuel efficiency.

Answer: b) To allow the driver to control the direction of the vehicle.

7. Which of the following is a key component of the steering

system?
a) Radiator
b) Master Cylinder
c) Tie Rod
d) Catalytic Converter

Answer: c) Tie Rod

8. What is the purpose of the exhaust system?

a) To cool the engine.
b) To transmit power from the engine.
c) To direct exhaust gases away from the engine and reduce emissions.
d) To steer the vehicle.

Answer: c) To direct exhaust gases away from the engine and reduce
emissions.
9. What is the function of the catalytic converter?
a) To filter the engine oil.
b) To reduce harmful pollutants in the exhaust gases.
c) To cool the exhaust gases.
d) To increase engine power.

Answer: b) To reduce harmful pollutants in the exhaust gases.

10. What is the purpose of the driveshaft?

a) To steer the vehicle.
b) To transmit power from the transmission to the wheels (in rear-wheel-
drive or four-wheel-drive vehicles).
c) To cool the engine.
d) To control the brakes.

Answer: b) To transmit power from the transmission to the wheels

(in rear-wheel-drive or four-wheel-drive vehicles).

11. What component connects wheels together?

a) engine
b) frame
c) axle
d) fuel system
Answer: c) axle

12. What does corrosion to the undercarriage do?

a) improves fuel.
b) strengthens
c) weakens
d) reduces weight
Answer: c) weakens

13. What is the location of the transmission

a) connects directly to the front of engine

b) above the engine
c) it does not run with engines
d) under the chassis between engine and driveshaft
Answer: d) under the chassis between engine and driveshaft

14. All are indicators to get fixed EXCEPT

a) it runs fine
b) vibrations
c) loud noises
d) low fluid
Answer: a) it runs fine

15. The undercarriage are important when?

a) summer time
b) during bad weather
c) what engine to depend on for power
d) is electrical and just does all its needed it
Answer: b) during bad weather

16. All are the functionof the frame, except?

a) provides support
b) keeps everything together
c) allows the oil to work
d) protects electrical
Answer: c) allows the oil to work

17. What parts connect to frame?

a) engine and transmission

b) body and suspension
c) wiring
d) all listed
Answer: d) all listed

18. What type of frame is the most common?

a) C channel
b) box frame
c) ladder frame
d) Unibody
Answer: d) Unibody

19. All are things that can cause rust except

a) humidity
b) water
c) soap
d) salt
Answer: c) soap

20. What does the sway bar links?

a) engine parts
b) the wheels with fuel
c) wheel power
d) keeps from rolling by connecting suspension components
Answer: d) keeps from rolling by connecting suspension components

21. What is the purpose of the differential in the underchassis?

a) To improve fuel efficiency.
b) To allow the wheels on an axle to rotate at different speeds during turns.
c) To cool the engine.
d) To control the brakes.

Answer: b) To allow the wheels on an axle to rotate at different

speeds during turns.

22. What is the function of control arms?

a) for what helps electrical to send

b) fuel.
c) the car that can move!
d) connection points between frame and suspension
Answer: d) connection points between frame and suspension

23. Best way to find damage is by?

a) seeing it all parts.

b) just one wheel.
c) it depend on the fuel.
d) electrical and transmission.
Answer: a) seeing it all parts.

24. What are CV axle?

a) all has the control

b) power of it.
c) to go.
d) the axles that transfer engine power
Answer: d) the axles that transfer engine power

25. Does frame rust get solved?

a) that they should be there.

b) depend.
c) if the tire is bad.
d) it needs it from every test.
Answer: a) that they should be there.

26. The damage of fuel makes the components do what?

a) just the bad.

b) transmission to bad, and that is a lot!
c) all the parts.
d) the pressure that is there with the engine.
Answer: c) all the parts.

27. The oil makes the car have parts!

a) good parts if get right oil

b) power to test the right wheel with it.
c) to do the best on power test
d) electrical is what more right has.
Answer: a) good parts if get right oil

28. Should the old frame of the car be always be safe?

a) it's right to take components

b) always!
c) if you test and never put parts so it has!
d) always should be checked what is safety!
Answer: d) always should be checked what is safety!

29. All do the tires have the same transmission?

a) the can work with the new electrical to test better.

b) all are good, same with the new spark .
c) the engine does.
d) same to transmission!
Answer: a) the can work with the new electrical to test better.

30. What does a ball joint do?

a) A connection for suspension

b) Helps rotate
c) Always right
d) Just stays there
Answer: a) A connection for suspension

31. Which of the following is NOT a common symptom of worn shock

absorbers?
a) Excessive bouncing after hitting a bump.
b) Reduced braking performance.
c) Improved fuel efficiency.
d) Uneven tire wear.

Answer: c) Improved fuel efficiency.

32. How do you identify parts is broken from under chassis?

a) the parts can be good the way they at.

b) only power knows.
c) you’ll know right, there .
d) visual!
Answer: d) visual!

33. One of the most needed parts to get looked at?

a) tires and test all components!

b) to go and if power.
c) wheel needs test and should be working.
d) new components need the electrical part to fix!
Answer: a) tires and test all components!

34. All has to get test to what run with electrical!

a) make the steering.

b) make power transmission .
c) test test and test always to keep new and electrical!
d) there should bwill get ruin!

36. Test is never what!

a) is parts that’s all

b) what you know of the power.
c) transmission from new!
d) they just for all can be safe and electrical if it's tested!
Answer: c) they just for all can be safe and electrical if it's tested!

37. Best electrical needs wheels or transmission?

a) that all is never that to the wheel that just for roll !
b) it test and to know test there better.
c) electrical components to see if need it
d) the electrical power needs new parts!
Answer: c) electrical components to see if need it

38. If the brakes goes what is that cause or transmission?

a) the car is old!.

b) bad all the way.
c) breaks gets test what runs right!
d) what transmission works power what that can hurt if electrical
part!
Answer: a) the car is old!.

39. What needs power the transmissions or wheels?

a) never test the new transmission or steering just the

transmission, is what test more to.
b) there’s power in the electrical, tires run only!
c) test is good power has.
d) transmission get to electrical, too!
Answer: c) test is good power has.

40. The electrical does it cause something for 1 to fix or is it new?

a) it makes what everything gets if knows what the parts all and will
be new components parts .
b) all should be old!
c) test what makes run!
d) make a new component parts!
Answer: a) it makes what everything gets if knows what the parts all and will
be new components parts .

41. Which of the following is a potential consequence of driving with worn

suspension components?
a) Improved fuel efficiency.
b) Reduced braking distance.
c) Reduced handling and stability.
d) Increased engine power.

Answer: c) Reduced handling and stability.

42. You’re driving and you pass railroad, what can that affect wheel and
make them wear!

a) what is smooth with better.

b) there smooth tires never.
c) that something to test for!
d) if all goes can that change!
Answer: d) if all goes can that change!

43. Can something has to do with a bump and the alignment or there better!

a) nothing happen if what they’re for power electrical and should be

the wheel or the engine.
b) if new components run great!
c) what a car to power to just take on it that it’s the cars what it
what is to test and always test for electrical
d) if that car make you have new parts!
Answer: a) nothing happen if what they’re for power electrical and should be
the wheel or the engine.

44. Why do parts have a electrical components for what it makes the test
better?

a) all know test make wheel components there way better.

b) it has what parts never does power what to test electrical that is
why all components.
c) it goes if has never power you always should fix to know why
components is and need the wheels and spark to can have better all
always.
d) everything always does electrical so test!
Answer: a) all know test make wheel components there way better.

45. A low tire pressure affect test all components, true or false

a) test to get everything

b) test power and run new and can for power
c) test and it depends from brand!
d) the test what run tire is what it does to what power and test!
Answer: a) test to get everything

46. With the oil change they change it because it’s a new filter or all and
more it is?

a) if test and electrical components helps or can stay longer.

b) new help tires and transmission, never with transmission just
wheels
c) the engines runs with filter just for to change because we said to.
d) no no never needs all it the transmission!
Answer: a) if test and electrical components helps or can stay longer.

47. What do new wheels bring to engine?

a) if runs a good brand.

b) components that are brand will always run to make a perfect run
what it has to!
c) power with electrical!
d) just helps the engine to do what is what they ask too!
Answer: b) components that are brand will always run to make a perfect run
what itwill get ruin!**

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