Highway Sheet 02

1) Question.

A district road with a bituminous pavement has a horizontal curve of 1000 m for design speed of 75 km ph. The super-elevation is
Answer.
- 1
  
  1 in 40
- 2
  
  1 in 50
- 3
  
  1 in 60
- 4
  
  1 in 70
Answer: 1

Explanation:
2) Question.

The correct formula for calculating superelevation for the hill roads, is
Answer.
- 1
  
  $e = \frac{V^{2}}{254 R}$
- 2
  
  $e = \frac{V^{2}}{225 R}$
- 3
  
  $e = \frac{V^{2}}{278 R}$
- 4
  
  $e = \frac{V^{2}}{114 R}$
Answer: 2

Explanation:
3) Question.

The safe stopping sight distance D, may be computed from the equation
Answer.
- 1
  
  $D = 0.278 V t + \frac{V^{2}}{254 f}$
- 2
  
  $D = 0.254 V t + \frac{V^{2}}{278 f}$
- 3
  
  $D = 0.254 V t + \frac{V^{2}}{225 f}$
- 4
  
  $D = 0.225 V t + \frac{V^{2}}{254 f}$
Answer: 1

Explanation:
4) Question.

When a number of hair pin bends are intorduced, a minimum intervening distance in betweeen is kept
Answer.
- 1
  
  20 m
- 2
  
  40 m
- 3
  
  60 m
- 4
  
  100 m
Answer: 3

Explanation:
5) Question.

If the designed speed on a circular curve of radius 14 m is 80 km/hour, no superlavation is provided, if the camber, is
Answer.
- 1
  
  4%
- 2
  
  3%
- 3
  
  2%
- 4
  
  1.7%
Answer: 3

Explanation:
6) Question.

The minimum superlevation in rolling terrain in plains, is limited to
Answer.
- 1
  
  4%
- 2
  
  5%
- 3
  
  6%
- 4
  
  7%
Answer: 4

Explanation:
7) Question.

Iv V is speed in km/hour and R is radius of the curve, the superelevation e is euqal to
Answer.
- 1
  
  $\frac{V^{2}}{125 R}$
- 2
  
  $\frac{V^{2}}{225 R}$
- 3
  
  $\frac{V^{2}}{325 R}$
- 4
  
  $\frac{V^{2}}{25 R}$
Answer: 2

Explanation:
8) Question.

The minimum ratio of the radii of two circular curves of a compound curve, is kept
Answer.
- 1
  
  1.25
- 2
  
  1.5
- 3
  
  1.75
- 4
  
  2.0
Answer: 2

Explanation:
9) Question.

Curves in the same direction separated by short tangents, are called
Answer.
- 1
  
  simple circular curves
- 2
  
  compound curves
- 3
  
  transition curves
- 4
  
  broken-beck curves
Answer: 4

Explanation:
10) Question.

Minimum radius of a simple circlular curve deflecting thourgh $5^{o}$ , is
Answer.
- 1
  
  1618.9 m
- 2
  
  1816.9 m
- 3
  
  1718.9 m
- 4
  
  1817.9 m
Answer: 3

Explanation:
11) Question.

The shoulder provided along the road edge should be -
Answer.
- 1
  
  rougher than the traffic lanes.
- 2
  
  smoother than the traffic lanes.
- 3
  
  of same colour as that of the pavement.
- 4
  
  of very low load bearing capacity.
Answer: 1

Explanation:
12) Question.

Coefficient of friction is less when the pavement surface is -
Answer.
- 1
  
  rough.
- 2
  
  dry.
- 3
  
  smooth and dry.
- 4
  
  smooth and wet.
Answer: 4

Explanation:
13) Question.

When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in -
Answer.
- 1
  
  slipping.
- 2
  
  skidding.
- 3
  
  turning.
- 4
  
  revolving.
Answer: 2

Explanation:
14) Question.

The stopping sight distance depends upon -
Answer.
- 1
  
  total reaction time of driver.
- 2
  
  speed of vehicle.
- 3
  
  efficiency of brakes.
- 4
  
  all of the above.
Answer: 4

Explanation:
15) Question.

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is -
Answer.
- 1
  
  1 in 30.
- 2
  
  1 in 36.
- 3
  
  1 in 48.
- 4
  
  1 in 60.
Answer: 2

Explanation:
16) Question.

The shape of the camber, best suited for cement concrete pavements, is -
Answer.
- 1
  
  straight line.
- 2
  
  parabolic.
- 3
  
  elliptical.
- 4
  
  combination of straight and parabolic.
Answer: 1

Explanation:
17) Question.

The sequence of four stages of survey in a highway alignment is -
Answer.
- 1
  
  reconnaissance, map study, preliminary survey and detailed survey.
- 2
  
  map study, preliminary survey, reconnaissance and detailed survey.
- 3
  
  map study, reconnaissance, preliminary survey and detailed survey.
- 4
  
  preliminary survey, map study, reconnaissance and detailed survey.
Answer: 3

Explanation:
18) Question.

Select the correct statement -
Answer.
- 1
  
  Nagpur road plan formulae take into account the towns with very large population.
- 2
  
  Nagpur road plan has a target road length of 32 km per 100 square km.
- 3
  
  Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.
- 4
  
  Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads.
Answer: 3

Explanation:
19) Question.

Nagpur road plan formulae were prepared by assuming -
Answer.
- 1
  
  rectangular or block road pattern
- 2
  
  radial or star and block road pattern
- 3
  
  radial or star and circular road pattern
- 4
  
  radial or star and grid road pattern
Answer: 4

Explanation:
20) Question.

In highway construction on superelevated curves, the rolling shall proceed from
Answer.
- 1
  
  sides towards the centre
- 2
  
  centre towards the sides
- 3
  
  lower edge towards the upper edge
- 4
  
  upper edge towards the lower edge
Answer: 3

Explanation:

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