Highway Engineering

81. If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to

1. District roads
2. Two lane roads
3. Two lane roads in one direction
4. None of these

View answer

82. If cross slope of a country is 10% to 25%, the terrain is classified as

1. Rolling
2. Mountainous
3. Steep
4. Plain

View answer

83. If cross slope of a country is greater than 60%, the terrain is classified as

1. Rolling
2. Mountainous
3. Steep
4. Plain

View answer

84. If cross slope of a country is upto 10% the terrain is classified as

1. Plain
2. Rolling
3. Mountainous
4. Steep

View answer

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

1. 0.01 D
2. 0.02 D
3. 0.03 D
4. 0.04 D

View answer

86. If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept

1. 1.275 d
2. 1.125 d
3. 0.85 d
4. 0.75 d

View answer

87. If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is

1. b =√(0.6 + d²) - 0.675 d
2. b =√(1.6 + d²) + 0.675 d
3. b =√(1.6 + d²) - 3.675 d
4. b =√(1.6 + d²) - 0.675 d

View answer

88. If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1° curve is equal

1. 1719 m
2. 1146 m
3. 1046 m
4. 1619 m

View answer

89. If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves,

1. L/R
2. L/2R
3. L²/2R
4. L/3R

View answer

90. If L is the length of the transition curves provided on either side of a circular curve of radius R, the maximum angle of deflection with tangent for the junctions of the transition curve and circular curve, is

1. L/R
2. L/2R
3. L/3R
4. None of these

View answer