Highway Engineering

181. Percentage of free carbon in bitumen is

  1. More than that in tar
  2. Less than that in tar
  3. Equal to that in tar
  4. None of the above

Correct answer: (B)
Less than that in tar

182. Pick up the correct statement from the following:

  1. Seasonal cycle of traffic volume during April and November, is usually near the annual average
  2. Mid-winter seasonal cycle of traffic is least
  3. Mid-summer seasonal cycle of traffic is highest
  4. All the above

Correct answer: (D)
All the above

183. Pick up the incorrect statement from the following. If water cement ratio is

  1. Increased, strength of concrete increases
  2. Decreased, strength of concrete increases
  3. Increased, strength of concrete is not affected
  4. None of these

Correct answer: (C)
Increased, strength of concrete is not affected

184. Pick up the incorrect statement from the following. On highways circular curves may be

  1. Simple curves
  2. Compound curves
  3. Reverse curves
  4. Vertical curves

Correct answer: (D)
Vertical curves

185. Pick up the incorrect statement from the following. The super-elevation on roads is

  1. Directly proportional to width of pavement
  2. Directly proportional to velocity of vehicles
  3. Inversely proportional to acceleration due to gravity
  4. Inversely proportional to the radius of curvature

Correct answer: (B)
Directly proportional to velocity of vehicles

186. Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate

  1. Formation width
  2. Side slopes
  3. Horizontal curve
  4. Vertical curve

Correct answer: (D)
Vertical curve

187. Pick up the incorrect statement from the following:

  1. Highways are always constructed in straight line
  2. Highways may be provided horizontal curves
  3. Highways may be provided vertical curves
  4. Highways may be provided both horizontal and vertical curves

Correct answer: (A)
Highways are always constructed in straight line

188. polar angle is

  1. Δ/2
  2. Δ/3
  3. Δ/4
  4. Δ/6

Correct answer: (D)
Δ/6

189. Raising of outer edge of a road with respect to inner edge, is known

  1. Super elevation
  2. Cant
  3. Banking
  4. All the above

Correct answer: (D)
All the above

190. RC-2, MC-2 and SC-2 correspond to

  1. Same viscosity
  2. Viscosity in increasing order from RC-2 to SC-2
  3. Viscosity in decreasing order from RC-2 to SC-2
  4. None of the above

Correct answer: (A)
Same viscosity

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