Q.1

Road width 8.8 m of two lane National highways or State highways in mountainous terrain

  • excludes the width of parapet (0.6 m)
  • excludes the width of side drain (0.6 m)
  • excludes the width of parapet and side drain
  • includes the width of parapet and side drain
Q.2

If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m

  • + 0.60 m
  • + 0.70 m
  • + 0.80 xn
  • + 0.90 m
  • + 1.50 m
Q.3

The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is

  • same for National Highways
  • different for National Highways
  • same for State Highways
  • same for Major District roads.
Q.4

The absolute minimum sight distance required for stopping a vehicle moving with a speed ofkm ph, is

  • 120 m
  • 200 m
  • 640 m
  • none of these.
Q.5

For maximum strength and durability minimum percentage of cement, by weight is

  • 15%
  • 20%
  • 25%
  • 30%
  • 33%
Q.6

The extra widening of pavements recommended by Indian Roads Congress for hill roads having radiusmetres, is

  • 1.5 m
  • 1.0 m
  • 0.5 m
  • 0.0 m
  • 2.0 m
Q.7

The first stage of deciding the alignment of a hill road, is

  • trace-out
  • reconnaissance
  • detailed survey
  • preliminary survey.
Q.8

Pick up the correct statement from the following:

  • Long tangent sections exceeding 3 km in length should be avoided
  • Curve length should be at least 150 metres for a deflection angle of 5 degress
  • For every degree decrease in the deflection angle, 30 metre length of curve to be increased
  • If the deflection angle is less than 1°, no curve is designed
  • All the above.
Q.9

Minimum permissible speed on high speed roads, is decided on the basis of

  • 15 percentile cumulative frequency
  • 20 percentile cumulative frequency
  • 30 percentile cumulative frequency
  • 40 percentile cumulative frequency.
Q.10

Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely, should be

  • 40 cm
  • 52 cm
  • 64 cm
  • 76 cm
  • 80 cm
Q.11

Along high ways confirmatory route markers are generally fixed

  • before the crossing on the left side
  • after the crossing on the left side
  • before the crossing on the right side
  • after the crossing on the right side.
Q.12

Camber in pavements is provided by

  • straight line method
  • parabola method
  • straight at the edges and parabolic at the crown
  • all the above.
Q.13

The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known

  • ruling gradient
  • maximum gradient
  • exceptional gradient
  • floating gradient
  • all the above.
Q.14

While designing hair pin bends on higways, the minimum

  • designed speed is 20 km/hour
  • gradient is 1 in 40
  • gradient is 1 in 200
  • superelevations is 1 in 10
  • All the above.
Q.15

Transverse joints are provided at distances varying from

  • 10 m to 15 m
  • 12 m to 18 m
  • 16 m to 24 m
  • 17 m to 27 m
  • 25 m to 35 m
Q.16

The ideal shape of a transition curve, is

  • clothoid
  • cubic spiral
  • cubic parabola
  • lamniscate
  • none of these.
Q.17

If D is the degree of a curve, the percentage reduction of gradient, is

  • 0.01 D
  • 0.02 D
  • 0.03 D
  • 0.04 D
  • 0.005 D
Q.18

Length of vehicles does not affect

  • extra widening
  • minimum radius of turning
  • passing sight distance
  • width of shoulders
  • none of these.
Q.19

The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of

  • rolling terrain
  • mountainous terrain
  • steep terrain
  • none of these.
Q.20

For night travel, the length of a valley curve should be such that the head light beam distance is the same as

  • stopping sight distance
  • overtaking sight distance
  • sum of (a) and (b)
  • difference of (a) and (b)
Q.21

Pick up the incorrect statement from the following:

  • Tresguet did not provide the top camber for the drainage of surface water
  • Tresguet provided the top camber for the drainage of surface water
  • Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides
  • Macadam provided a camber to the formation at the dug-up state, to drain percolated water.
Q.22

At a road junction, 7 cross conflict points are severe if

  • both are one-way roads
  • both are two-way roads
  • one is two-way road and other is one-way road
  • none of these.
Q.23

Passing zones are generally not provided on

  • summit curves
  • horizontal curves
  • two lane highways
  • all the above.
Q.24

Stability of hill slopes depends upon

  • nature of the slope
  • angle of the slope
  • geological conditions
  • ground water conditions
  • all the above.
Q.25

Cement grouted pavement is classified as

  • rigid pavement
  • semi-rigid pavement
  • flexible pavement
  • none of these.
Q.26

At a road junction, 7 cross conflict points are severe if

  • both are one-way roads
  • both are two-way roads
  • one is two-way road and other is one-way road
  • none of these.
Q.27

Passing zones are generally not provided on

  • summit curves
  • horizontal curves
  • two lane highways
  • all the above.
Q.28

If D is the degree of a curve, the percentage reduction of gradient, is

  • 0.01 D
  • 0.02 D
  • 0.03 D
  • 0.04 D
  • 0.005 D
Q.29

If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of resistance μ, the tractive force T is given by

Q.30

If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is

0 h : 0 m : 1 s