Discussion
Home ‣ Mechanical Engineering ‣ Automobile Engineering Comments
- Question
A petrol engine of a car develops 125 N-m torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is
Options- A. 8.091 N-m
- B. 80.91 N-m
- C. 809.1 N-m
- D. 8091 N-m
- Correct Answer
- 809.1 N-m
- 1. When the vehicle is at rest, the clutch is in engaged position.
Options- A. Correct
- B. Incorrect Discuss
- 2. A maintenance free battery
Options- A. has lead-antimony plate grid
- B. has lead-calcium plate grid
- C. does not contain acid
- D. does not contain water Discuss
- 3. A heat treated glass generally used in automobiles bursts into __________ upon cracking,
Options- A. sharp edged fragments
- B. small particles Discuss
- 4. Which of the following oil is more viscous?
Options- A. SAE 30
- B. SAE 40
- C. SAE 70
- D. SAE 80 Discuss
- 5. If the valve clearances are excessively large, the problem that can arise is
Options- A. overheating of the engine
- B. incomplete valve closure
- C. fouling of spark plug by gasoline
- D. none of these Discuss
- 6. Toe-in ensures parallel rolling of the wheel thus stabilizing steering in addition to preventing both sides slipping and excessive tyre wear.
Options- A. Correct
- B. Incorrect Discuss
- 7. The compression ratio in Diesel engines is less than the petrol engine.
Options- A. Agree
- B. Disagree Discuss
- 8. The valve tappet clearance is measured by
Options- A. screw pitch gauge
- B. engineering scale
- C. feeler gauge
- D. vernier caliper Discuss
- 9. A petrol that detonates easily is called
Options- A. high octane petrol
- B. low octane petrol
- C. unleaded petrol
- D. blended fuel Discuss
- 10. In a four cylinder in-line engine, the number of firing strokes in one revolution of the crank is
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
Automobile Engineering problems
Search Results
Correct Answer: Correct
Correct Answer: has lead-calcium plate grid
Correct Answer: small particles
Correct Answer: SAE 80
Correct Answer: incomplete valve closure
Correct Answer: Correct
Correct Answer: Disagree
Correct Answer: feeler gauge
Correct Answer: low octane petrol
Correct Answer: 2
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.