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MCQs

Total Questions : 1156 | Page 6 of 116 pages
Question 51. Flexible pavement distribute the wheel load
  1.    directly to subgrade
  2.    through structural action
  3.    through a set of layers to the subgrade
  4.    none of the above
 Discuss Question
Answer: Option C. -> through a set of layers to the subgrade
Question 52. For highway geometric design purposes the speed used is
  1.    15th percentile
  2.    50 “”percentile
  3.    85th percentile
  4.    98 “”percentile
 Discuss Question
Answer: Option D. -> 98 “”percentile
Question 53. Select the incorrect statement.
  1.    Stop or red time of a signal is the sum of go and clearance intervals for the cross flow.
  2.    Go or green time of a signal is the sum of stop and clearance intervals for the cross flow.
  3.    Clearance time is generally 3 to 5 seconds.
  4.    The cycle length is normally 40 to 60 seconds for two phase signals.
 Discuss Question
Answer: Option B. -> Go or green time of a signal is the sum of stop and clearance intervals for the cross flow.
Question 54. The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as
  1.    pie chart
  2.    spot maps
  3.    condition diagram
  4.    collision diagram
 Discuss Question
Answer: Option C. -> condition diagram
Question 55. Coefficient of friction is less when the pavement surface is
  1.    rough
  2.    dry
  3.    smooth and dry
  4.    smooth and wet
 Discuss Question
Answer: Option D. -> smooth and wet
Question 56. If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is
  1.    30m
  2.    60m
  3.    120m
  4.    180m
 Discuss Question
Answer: Option B. -> 60m
Question 57. Group index method of design of flexible pavement is
  1.    A theoretical method
  2.    An empirical method based on physical properties of sub-grade soil
  3.    An empirical method based on strength characteristics of sub-grade soil
  4.    A semi empirical method
 Discuss Question
Answer: Option B. -> An empirical method based on physical properties of sub-grade soil
Question 58. The camber of road should be approximately equal to
  1.    longitudinal gradient
  2.    two times the longitudinal gradient
  3.    three times the longitudinal gradient
  4.    half the longitudinal gradient
 Discuss Question
Answer: Option D. -> half the longitudinal gradient
Question 59. Which of the following shapes is preferred in a valley curve ?
  1.    simple parabola
  2.    cubic parabola
  3.    spiral
  4.    lemniscate
 Discuss Question
Answer: Option B. -> cubic parabola
Question 60. Which of the following is indicated by a warning sign ?
  1.    level crossing
  2.    no parking
  3.    end of speed limit
  4.    overtaking prohibited
 Discuss Question
Answer: Option A. -> level crossing

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