Q.1
The maximum limit of water absorption for aggregate suitable for road construction is
  • 0.4 %
  • 0.6 %
  • 0.8 %
  • 1.0 %
Q.2
The maximum design gradient for vertical profile of a road is
  • ruling gradient
  • limiting gradient
  • exceptional gradient
  • minimum gradient
Q.3
The ductility value of bitumen for suitability in road construction should not be less than
  • 30 cm
  • 40 cm
  • 50 cm
  • 60 cm
Q.4
The camber of shoulders in water bound macadam roads is
  • equal to the cross slope of pavement
  • less than the cross slope of pavement
  • greater than the cross slope of pavement
  • zero
Q.5
The critical combination of stresses for corner region in cement concrete roads is
  • Load stress + warping stress frictional stress
  • Load stress + warping stress + frictional stress
  • Load stress + warping stress
  • Load stress + frictional stress
Q.6
Desire lines are plotted in
  • traffic volume studies
  • speed studies
  • accident studies
  • origin and destination studies
Q.7
The fundamental factor in the selection of pavement type is
  • climatic condition
  • type and intensity of traffic
  • subgrade soil and drainage conditions
  • availability of funds for the construction project
Q.8
Percentage of free carbon in bitumen is
  • more than that in tar
  • less than that in tar
  • equal to that in tar
  • none of the above
Q.9
“Dead Slow” is a
  • regulatory sign
  • warning sign
  • informatory sign
  • none of the above
Q.10
The absolute minimum radius of curve for safe operation for a speed ofkmph is
  • 110 m
  • 220 m
  • 440 m
  • 577 m
Q.11
The provision of traffic signals at intersections
  • reduces right angled and rear end collisions
  • increases right angled and rear end collisions
  • reduces right angled collisions but may increase rear end collisions
  • reduces rear end collisions but may increase right angled collisions
Q.12
The thickness of bituminous carpet varies from
  • 20 to 25 mm
  • 50 to 75 mm
  • 75 to 100 mm
  • 100 to 120 mm
Q.13
If aggregate impact value istopercent, then it is classified as
  • exceptionally strong
  • strong
  • satisfactory for road surfacing
  • unsuitable for road surfacing
Q.14
The ruling design speed on a National Highway in plain terrain as per IRC recommendations is
  • 60 kmph
  • 80 kmph
  • 100 kmph
  • 120 kmph
Q.15
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 ?
  • road side interview method
  • license plate method
  • return postcard method
  • home interview method
Q.16
Which of the following premix methods is used for base course ?
  • bituminous carpet
  • mastic asphalt
  • sheet asphalt
  • bituminous bound macadam
Q.17
When two equally important roads cross roughly at right angles, the suitable shape of central island is
  • circular
  • elliptical
  • tangent
  • turbine
Q.18
If ruling gradient is I inand there is also a horizontal curve of radiusm, then the compensated grade should be
  • 3 %
  • 4%
  • 5 %
  • 6%
Q.19
Which of the following is known as design capacity ?
  • basic capacity
  • theoretical capacity
  • possible capacity
  • practical capacity
Q.20
The entrance and exit curves of a rotary have
  • equal radii and equal widths of pavement
  • equal radii but pavement width is more at entrance than at exit curve
  • equal pavement widths but radius is more at entrance curve than at exit curve
  • different radii and different widths of pavement
Q.21
The percentage compensation in gradient for ruling gradient ofand horizontal curve of radiusm is
  • 0.1 %
  • 1 %
  • 10%
  • no compensation
Q.22
The transition curve used in the horizontal alignment of highways as per IRC recommendations is
  • spiral
  • lemniscate
  • cubic parabola
  • any of the above
Q.23
The attainment of super elevation by rotation of pavement about the inner edge of the pavement
  • is preferable in steep terrain
  • results in balancing the earthwork
  • avoids the drainage problem in flat terrain
  • does not change the vertical alignment of road
Q.24
The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
  • spot maps
  • pie charts
  • condition diagram
  • collision diagram
Q.25
The desirable length of overtaking zone as per IRC recommendation is equal to
  • overtaking sight distance
  • two times the overtaking sight distance
  • three times the overtaking sight distance
  • five times the overtaking sight distance
Q.26
In hill roads the side drains arc provided
  • only on the hill side of road
  • only on the opposite side of hill
  • on both sides of road
  • none of the above
Q.27
The shoulder provided along the road edge should be
  • rougher than the traffic lanes
  • smoother than the traffic lanes
  • of same colour as that of the pavement
  • of very low load bearing capacity
Q.28
Length of a vehicle affects
  • width of traffic lanes
  • extra width of pavement and minimum turning radius
  • width of shoulders and parking facilities
  • clearance to be provided under structures such as overbridges, under-bridges etc.
Q.29
The aggregates required for one kilometer length of water bound macadam road per meter width and formm thickness is
  • 8 cubic meter
  • 10 cubic meter
  • 12 cubic meter
  • 15 cubic meter
Q.30
The terrain may be classified as rolling terrain if the cross slope of land is
  • upto 10%
  • between 10% and 25%
  • between 25% and 60%
  • more than 60%
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