Discussion
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- Question
In order to implement gear changes in the gear unit of an automatic transmission, a __________ is used.
Options- A. synchronizer
- B. planetary gear
- C. magnetic clutch
- D. hydraulic multi plate clutch
- Correct Answer
- hydraulic multi plate clutch
- 1. The function of a second ring is that it is a
Options- A. back up compression ring which will work in place of the top ring when it is broken
- B. compression ring and aids the top ring in sealing and cooling
- C. back up oil control ring which will work in place of the bottom ring when it is broken
- D. cushion ring which prevents piston slap and knock Discuss
- 2. The octane rating of petrol commerically available is
Options- A. 85-95
- B. 95-100
- C. 100-110
- D. 110-125 Discuss
- 3. The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of
Options- A. section width to section height
- B. section height to section width
- C. wheel diameter to section height
- D. wheel diameter to section width Discuss
- 4. The service brakes employed in cars are generally operated
Options- A. mechanically
- B. hydraulically
- C. pneumatically
- D. none of these Discuss
- 5. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
Options- A. R
- B. 2 R
- C. 4R
- D. 4 R2 Discuss
- 6. The compression ratio for Diesel engines usually lies in the range of
Options- A. 6-10
- B. 10-15
- C. 15-25
- D. 25-40 Discuss
- 7. The ball joints are used on the tie-rod ends, because they
Options- A. reduce the amount of noise generated
- B. reduce the amount of sliding resistance
- C. can deal with movement of the suspension both vertically and in other directions
- D. improve the force transmission speed Discuss
- 8. Instead of valves, the ports are used in case of
Options- A. four stroke I.C. engines
- B. two-stroke I.C. engines
- C. V-6 engines
- D. none of these Discuss
- 9. With the increase of battery temperature, the specific gravity of electrolyte
Options- A. increases
- B. decreases
- C. reamains the same
- D. none of these Discuss
- 10. The basic purpose of a four wheel drive (4WD) system is that it
Options- A. delivers improved cornering on dry road surfaces
- B. eliminates the need of snow tyres, tyre chains, etc.
- C. ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
- D. ensures that effective braking can be performed, even on slippery surfaces Discuss
Automobile Engineering problems
Search Results
Correct Answer: compression ring and aids the top ring in sealing and cooling
Correct Answer: 85-95
Correct Answer: section height to section width
Correct Answer: hydraulically
Correct Answer: 4R
Correct Answer: 15-25
Correct Answer: can deal with movement of the suspension both vertically and in other directions
Correct Answer: two-stroke I.C. engines
Correct Answer: decreases
Correct Answer: ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
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