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MCQs

Total Questions : 1156 | Page 5 of 116 pages
Question 41. In soils having same values of plasticity index, if liquid limit is increased, then
  1.    Compressibility and permeability decrease and dry strength increases
  2.    Compressibility, permeability and dry strength decrease
  3.    Compressibility, permeability and dry strength increase
  4.    Compressibility and permeability increase and dry strength decreases
 Discuss Question
Answer: Option D. -> Compressibility and permeability increase and dry strength decreases
Question 42. A traffic rotary is justified where
  1.    number of intersecting roads is between 4 and 7
  2.    space is limited and costly
  3.    when traffic volume is less than 500 vehicles per hour
  4.    when traffic volume is more than 5000 vehicles per hour
 Discuss Question
Answer: Option A. -> number of intersecting roads is between 4 and 7
Question 43. Select the correct statement.
  1.    Traffic volume should always be more than traffic capacity.
  2.    Traffic capacity should always be more than traffic volume.
  3.    Spot speed is the average speed of a vehicle at a specified section.
  4.    85th percentile speed is more than 98th percentile speed.
 Discuss Question
Answer: Option B. -> Traffic capacity should always be more than traffic volume.
Question 44. Los Angeles testing machine is used to conduct
  1.    Abrasion test
  2.    Impact test
  3.    Attrition test
  4.    Crushing strength test
 Discuss Question
Answer: Option A. -> Abrasion test
Question 45. Compared to a level surface, on a descending gradient the stopping sight distance is
  1.    less
  2.    more
  3.    same
  4.    dependent on the speed
 Discuss Question
Answer: Option B. -> more
Question 46. The effect of grade on safe overtaking sight distance is
  1.    to increase it on descending grades and to decrease it on ascending grades
  2.    to decrease it on descending grades and to increase it on ascending grades
  3.    to increase it on both descending and ascending grades
  4.    to decrease it on both descending and ascending grades
 Discuss Question
Answer: Option C. -> to increase it on both descending and ascending grades
Question 47. To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by
  1.    8 kmph
  2.    12kmph
  3.    16kmph
  4.    20 kmph
 Discuss Question
Answer: Option C. -> 16kmph
Question 48. The maximum allowable Los Angeles abrasion value for high quality surface course is
  1.    10%
  2.    20 %
  3.    30%
  4.    45 %
 Discuss Question
Answer: Option C. -> 30%
Question 49. The binder normally used in flexible pavement construction is
  1.    cement
  2.    lime
  3.    bitumen
  4.    none of the above
 Discuss Question
Answer: Option C. -> bitumen
Question 50. On a single lane road with two way traffic, the minimum stopping sight distance is equal to
  1.    stopping distance
  2.    two times the stopping distance
  3.    half the stopping distance
  4.    three times the stopping distance
 Discuss Question
Answer: Option B. -> two times the stopping distance

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