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MCQs

Total Questions : 1197 | Page 117 of 120 pages
Question 1161. A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it
  1.    Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
  2.    Makes the steering more responsive
  3.    Allows the steering wheel to be turned by a greater amount when steering
  4.    Reduces the amount of kickback for large steering angles
 Discuss Question
Answer: Option A. -> Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
Question 1162. An under-inflated tyre will wear the tread most
  1.    In the lateral direction
  2.    Near the centre
  3.    Near the edges
  4.    In the cross direction
 Discuss Question
Answer: Option C. -> Near the edges
Question 1163. The petrol engines are also known as
  1.    Spark ignition (S.I.) engines
  2.    Steam engines
  3.    Compression ignition (C.I.) engines
  4.    None of these
 Discuss Question
Answer: Option A. -> Spark ignition (S.I.) engines
Question 1164. The self ignition temperature of Diesel as compared to petrol is
  1.    Higher
  2.    Lower
  3.    Same
  4.    Depends on fuel quality
 Discuss Question
Answer: Option B. -> Lower
Question 1165. When the battery is half (50%) charged, the specific gravity of acid in a battery is usually
  1.    1
  2.    0.74
  3.    1.19
  4.    1.12
 Discuss Question
Answer: Option C. -> 1.19
Question 1166. The main task of a battery in automobiles is to
  1.    Supply electricity to the alternator
  2.    Supply electricity to the vehicle's electrical system at all times while the engine is running
  3.    Act as a reservoir or stabilizer of electricity
  4.    Supply a large amount of power to turn the starter motor when the engine is being started
 Discuss Question
Answer: Option D. -> Supply a large amount of power to turn the starter motor when the engine is being started
Question 1167. A laminated glass upon cracking
  1.    Sandwiched layer traps the fragments
  2.    Breaks into the form of crystals
  3.    Bursts into granular pieces
  4.    Bursts into sharp edged fragments
 Discuss Question
Answer: Option A. -> Sandwiched layer traps the fragments
Question 1168. Highest useful compression ratio (HUCR) is the highest compression ratio at which the
  1.    Engine is most efficient
  2.    Engine can run
  3.    Fuel can be used in a test engine without knocking
  4.    Engine gives maximum output
 Discuss Question
Answer: Option C. -> Fuel can be used in a test engine without knocking
Question 1169. The function of a governor in automobiles is to
  1.    Limit the power
  2.    Limit the vehicle speed
  3.    Maximise the fuel economy
  4.    Maintain constant engine speed
 Discuss Question
Answer: Option B. -> Limit the vehicle speed
Question 1170. The basic purpose of tyre rotation on automobiles is to
  1.    Equalize wear
  2.    None of these
  3.    Get better ride
  4.    Avoid ply separation
 Discuss Question
Answer: Option A. -> Equalize wear

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