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MCQs

Total Questions : 1197 | Page 62 of 120 pages
Question 611. The octane number of compressed natural gas (CNG) is
  1.    90
  2.    100
  3.    110
  4.    120
 Discuss Question
Answer: Option D. -> 120
Answer: (d).120
Question 612. The correct flow of power through the drive train is
  1.    engine - driveshafts - clutch - mainshaft - countershaft - final driven gear - wheels
  2.    engine - clutch - mainshaft - countershaft - final driven gear - driveshafts - wheels
  3.    engine - clutch - countershaft - mainshaft - final driven gear - driveshafts - wheels
  4.    engine - mainshaft - countershaft - clutch - final driven gear - driveshafts - wheels
 Discuss Question
Answer: Option B. -> engine - clutch - mainshaft - countershaft - final driven gear - driveshafts - wheels
Answer: (b).engine - clutch - mainshaft - countershaft - final driven gear - driveshafts - wheels
Question 613. The compression ratio for Diesel engines usually lies in the range of
  1.    6-10
  2.    10-15
  3.    15-25
  4.    25-40
 Discuss Question
Answer: Option C. -> 15-25
Answer: (c).15-25
Question 614. The braking control type traction control system (TCS) generally operates in the speed range of
  1.    less than 20 kmph
  2.    less than 40 kmph
  3.    less than 60 kmph
  4.    more than 60 kmph
 Discuss Question
Answer: Option B. -> less than 40 kmph
Answer: (b).less than 40 kmph
Question 615. The crescent-shaped cavity on the piston head top surface is called as
  1.    piston oil hole
  2.    snap ring
  3.    valve recess
  4.    valve clearance
 Discuss Question
Answer: Option C. -> valve recess
Answer: (c).valve recess
Question 616. If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on
  1.    too lean mixture
  2.    stoichiometric mixture
  3.    most economical mixture
  4.    too rich mixture
 Discuss Question
Answer: Option D. -> too rich mixture
Answer: (d).too rich mixture
Question 617. The two rows of cylinders in a 'V' type engine are generally arranged at
  1.    45°
  2.    60°
  3.    90°
  4.    130°
 Discuss Question
Answer: Option B. -> 60°
Answer: (b).60°
Question 618. The octane rating of petrol commerically available is
  1.    85-95
  2.    95-100
  3.    100-110
  4.    110-125
 Discuss Question
Answer: Option A. -> 85-95
Answer: (a).85-95
Question 619. The exhaust gas from petrol engine contains
  1.    petrol vapours
  2.    water vapours
  3.    carbon monoxide
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 620. Clutch facings are usually attached to the plate by
  1.    steel rivets
  2.    brass rivets
  3.    aluminium screws
  4.    steel screws
 Discuss Question
Answer: Option B. -> brass rivets
Answer: (b).brass rivets

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