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- Question
The anti-knock property of compression ignition engine fuel can be improved by adding
Options- A. tetraethyl lead
- B. trimethyl pentane
- C. amyl nitrate
- D. hexadecane
- Correct Answer
- amyl nitrate
- 1. A stripper-plate machine is used to draw the pattern from the mould.
Options- A. Yes
- B. No Discuss
- 2. When more volume of acetylene and less volume of oxygen is supplied, then a __________ flame is obtained.
Options- A. neutral
- B. oxidising
- C. carburising Discuss
- 3. The brass and bronze are welded by __________ flame.
Options- A. neutral
- B. oxidising
- C. carburising
- D. all of these Discuss
- 4. For gas welding, the pressure desired at the welding torch for oxygen is
Options- A. 7 to 103 kN/m2
- B. 70 to 280 kN/m2
- C. 280 to 560 kN/m2
- D. 560 to 840 kN/m2 Discuss
- 5. The adhesiveness is the property of a sand due to which
Options- A. it evolves a great amount of steam and other gases
- B. the sand grains stick together
- C. it cling to the sides of a moulding box
- D. none of these Discuss
- 6. The driveshafts are connected to the differential and wheel hubs through universal joints because the universal joints
Options- A. absorb the vibrations transferred from the surface of the road
- B. compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
- C. absorb any difference in speed between the left and right wheels when the vehicle is turning
- D. none of the above Discuss
- 7. When the brake pedal free play is less than the specified value, then the
Options- A. brake drags
- B. brake fades
- C. vapour locking occurs in the brake lines
- D. antilock braking system malfunctions Discuss
- 8. A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it
Options- A. improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
- B. allows the steering wheel to be turned by a greater amount when steering
- C. makes the steering more responsive
- D. reduces the amount of kick-back for large steering angles Discuss
- 9. The calorific value of petrol is about
Options- A. 36.5 - 38.5 MJ/kg
- B. 39.4 - 42.5 MJ/kg
- C. 42.7 - 43.5 MJ/kg
- D. 45.5 - 47 MJ/kg Discuss
- 10. The painting of automobiles is done to
Options- A. prevent rust from growing on the body
- B. improve its external appearance
- C. retain the characteristics of steel for long
- D. all of these Discuss
Automobile Engineering problems
Search Results
Correct Answer: Yes
Correct Answer: carburising
Correct Answer: oxidising
Correct Answer: 70 to 280 kN/m2
Correct Answer: it cling to the sides of a moulding box
Correct Answer: compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
Correct Answer: brake drags
Correct Answer: improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
Correct Answer: 42.7 - 43.5 MJ/kg
Correct Answer: all of these
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