Desire lines are plotted in
A. traffic volume studies
B. speed studies
C. accident studies
D. origin and destination studies
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The shape of the camber, best suited for cement concrete pavements, is
A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic
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The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is
A. 0.1 %
B. 1 %
C. 10%
D. no compensation
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Select the correct statement.
A. More the value of group index, less thickness of pavement will be required
B. More the value of CBR, greater thickness of pavement will be required
C. Minimum and maximum values of group index can be 0 and 20 respectively
D. All of the above
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The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is
A. 1000
B. 10000
C. 100000
D. 1000000
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The maximum design gradient for vertical profile of a road is
A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient
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Which of the following premix methods is used for base course ?
A. bituminous carpet
B. mastic asphalt
C. sheet asphalt
D. bituminous bound macadam
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As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is
A. 10 lux
B. 15 lux
C. 20 lux
D. 30 lux
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Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?
A. road side interview method
B. license plate method
C. return postcard method
D. home interview method
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In highway construction on super elevated curves, the rolling shall proceed from
A. sides towards the centre
B. centre towards the sides
C. lower edge towards the upper edge
D. upper edge towards the lower edge
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When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is
A. circular
B. tangent
C. elliptical
D. turbine
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When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
A. slipping
B. skidding
C. turning
D. revolving
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Scientific planning of transportation system and mass transit facilities in cities should be based on
A. spot speed data
B. origin and destination data
C. traffic volume data
D. accident data
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The sequence of four stages of survey in a highway alignment is
A. reconnaissance, map study, preliminary survey and detailed survey
B. map study, preliminary survey, reconnaissance and detailed survey
C. map study, reconnaissance, preliminary survey and detailed survey
D. preliminary survey, map study, reconnaissance and detailed survey
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The suitable surfacing material for a bridge deck slab is
A. sheet asphalt
B. bituminous carpet
C. mastic asphalt
D. rolled asphalt
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The maximum thickness of expansion joint in rigid pavements is
A. 10 mm
B. 25 mm
C. 50 mm
D. 100 mm
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The maximum spacing of contraction joints in rigid pavements is
A. 2.5 m
B. 3.5 m
C. 4.5 m
D. 5.5m
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The camber for hill roads in case of bituminous surfacing is adopted as
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Stopping sight distance is always
A. less than overtaking sight distance
B. equal to overtaking sight distance
C. more than overtaking sight distance
D. none of the above
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In case of summit curves, the deviation angle will be maximum when
A. an ascending gradient meets with another ascending gradient
B. an ascending gradient meets with a descending gradient
C. a descending gradient meets with another descending gradient
D. an ascending gradient meets with a level surface
Select an option to see the answer and solution.