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MCQs

Total Questions : 1156 | Page 8 of 116 pages
Question 71. As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is
  1.    1 in 15
  2.    1 in 12.5
  3.    1 in 10
  4.    equal to camber
 Discuss Question
Answer: Option A. -> 1 in 15
Question 72. If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be
  1.    less than b/2h and greater than co-efficient of lateral friction
  2.    less than b/2h and also less than co-efficient of lateral friction
  3.    greater than b/2h and less than co-efficient of lateral friction
  4.    greater than b/2h and also greater than coefficient of lateral friction
 Discuss Question
Answer: Option B. -> less than b/2h and also less than co-efficient of lateral friction
Question 73. The most efficient traffic signal system is
  1.    simultaneous system
  2.    alternate system
  3.    flexible progressive system
  4.    simple progressive system
 Discuss Question
Answer: Option C. -> flexible progressive system
Question 74. The terrain may be classified as rolling terrain if the cross slope of land is
  1.    upto 10%
  2.    between 10% and 25%
  3.    between 25% and 60%
  4.    more than 60%
 Discuss Question
Answer: Option B. -> between 10% and 25%
Question 75. Rigidity factor for a tyre pressure greater than 7 kg/cm² is
  1.    equal to 1
  2.    less than 1
  3.    greater than 1
  4.    zero
 Discuss Question
Answer: Option B. -> less than 1
Question 76. Reaction time of a driver
  1.    increases with increase in speed
  2.    decreases with increase in speed
  3.    is same for all speeds
  4.    none of the above
 Discuss Question
Answer: Option B. -> decreases with increase in speed
Question 77. For rapid curing cutbacks, the oil used is
  1.    gasoline
  2.    kerosene oil
  3.    light diesel
  4.    heavy diesel
 Discuss Question
Answer: Option A. -> gasoline
Question 78. “Dead Slow” is a
  1.    regulatory sign
  2.    warning sign
  3.    informatory sign
  4.    none of the above
 Discuss Question
Answer: Option A. -> regulatory sign
Question 79. The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is
  1.    8 cubic meter
  2.    10 cubic meter
  3.    12 cubic meter
  4.    15 cubic meter
 Discuss Question
Answer: Option C. -> 12 cubic meter
Question 80. Length of a vehicle affects
  1.    width of traffic lanes
  2.    extra width of pavement and minimum turning radius
  3.    width of shoulders and parking facilities
  4.    clearance to be provided under structures such as overbridges, under-bridges etc.
 Discuss Question
Answer: Option B. -> extra width of pavement and minimum turning radius

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