Automobile Engineering problems
- 1. The lower cylindrical portion of the piston which improves piston cooling performance is called
Options- A. piston crown
- B. connecting rod
- C. piston pin boss
- D. piston skirt Discuss
Correct Answer: piston skirt
- 2. The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
Options- A. enable the pump's fault-diagnosis function to operate
- B. warm up and lubricate the pump
- C. supply a large amount of fuel and thereby create a choke effect
- D. pressurise the fuel system before the engine is started Discuss
Correct Answer: pressurise the fuel system before the engine is started
- 3. In petrol engines, during suction stroke, __________ is drawn in the cylinder
Options- A. air and fuel
- B. only fuel
- C. only air
- D. none of these Discuss
Correct Answer: air and fuel
- 4. Which of the following parameter can be adjusted by modifying the tie-rod attachment length?
Options- A. Camber
- B. Caster
- C. Toe
- D. Steering gear ratio Discuss
Correct Answer: Toe
- 5. The cam shaft in an engine is always mounted
Options- A. parallel to the crankshaft
- B. perpendicular to the crankshaft
- C. inclined to the crankshaft
- D. none of these Discuss
Correct Answer: parallel to the crankshaft
- 6. For the same maximum pressure and temperature
Options- A. Diesel cycle is more efficient than Otto cycle
- B. Otto cycle is more efficient than Diesel cycle
- C. both Otto cycle and Diesel cycle are equally efficient
- D. none of the above Discuss
Correct Answer: Diesel cycle is more efficient than Otto cycle
- 7. The basic function of the suspension is to
Options- A. absorb vibration and impact forces from the road surface
- B. ensure that the steering wheel can deliver a suitable amount of steering force
- C. ensure that wheel alignment is not disturbed during driving
- D. automatically correct the effects of over steering Discuss
Correct Answer: absorb vibration and impact forces from the road surface
- 8. When the front wheels of a vehicle are locked during braking, then
Options- A. stopping distance becomes extremely long
- B. front tyres skid across the road surface, and the vehicle spins around
- C. rear tyres skid across the road surface, and the vehicle spins around
- D. driver loses control over the steering, and the vehicle continues moving in its current direction Discuss
Correct Answer: driver loses control over the steering, and the vehicle continues moving in its current direction
- 9. The power actually developed inside the engine cylinder is called as
Options- A. indicated power
- B. brake power
- C. frictional power
- D. none of these Discuss
Correct Answer: indicated power
- 10. If clearance volume of I.C. engines is increased, the compression ratio will
Options- A. increase
- B. decrease
- C. remain constant
- D. be doubled Discuss
Correct Answer: decrease
More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.