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MCQs

Total Questions : 1197 | Page 9 of 120 pages
Question 81. Free pedal play in car clutches is about
  1.    15 mm
  2.    25 mm
  3.    40 mm
  4.    60 mm
 Discuss Question
Answer: Option B. -> 25 mm
Question 82. The rolling resistance is because of the friction between the
  1.    Wheel rim and tyre
  2.    Tyre and the road surface
  3.    Wheel rim and road surface
  4.    None of these
 Discuss Question
Answer: Option B. -> Tyre and the road surface
Question 83. The function of a connecting rod is
  1.    To turn the flywheel
  2.    To drive the drive plate
  3.    To drive the fuel pump
  4.    To transmit motion of the piston to the crankshaft
 Discuss Question
Answer: Option D. -> To transmit motion of the piston to the crankshaft
Question 84. The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of
  1.    Section width to section height
  2.    Section height to section width
  3.    Wheel diameter to section height
  4.    Wheel diameter to section width
 Discuss Question
Answer: Option B. -> Section height to section width
Question 85. The composition of the electrolyte in a fully charged battery is that
  1.    The electrolyte is pure distilled water
  2.    The electrolyte is pure sulphuric acid
  3.    The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
  4.    The electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight
 Discuss Question
Answer: Option C. -> The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
Question 86. The instrument used to check specific gravity of acid in a battery is
  1.    Hydrometer
  2.    Hygrometer
  3.    Anemometer
  4.    Multimeter
 Discuss Question
Answer: Option A. -> Hydrometer
Question 87. The size of engine cylinder is referred in terms of its
  1.    Diameter and bore
  2.    Displacement and efficiency
  3.    Bore and stroke
  4.    Bore and length
 Discuss Question
Answer: Option C. -> Bore and stroke
Question 88. 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
Question 89. When the brake pedal free play is less than the specified value, then the
  1.    Brake drags
  2.    Brake fades
  3.    Vapour locking occurs in the brake lines
  4.    Antilock braking system malfunctions
 Discuss Question
Answer: Option A. -> Brake drags
Question 90. A petrol engine of a car develops 125 Nm torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is
  1.    8.091 Nm
  2.    80.91 Nm
  3.    809.1 Nm
  4.    8091 Nm
 Discuss Question
Answer: Option C. -> 809.1 Nm

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