Highway Engineering With increase in speed of the traffic stream, the minimum spacing of vehicles decreases increases first increases and then decreases after reaching a maximum value at optimum speed first decreases and then increases after reaching a minimum value at optimum speed decreases increases first increases and then decreases after reaching a maximum value at optimum speed first decreases and then increases after reaching a minimum value at optimum speed ANSWER DOWNLOAD EXAMIANS APP
Highway Engineering Compared to a level surface, on a descending gradient the stopping sight distance is same more dependent on the speed less same more dependent on the speed less ANSWER DOWNLOAD EXAMIANS APP
Highway Engineering The ductility value of bitumen for suitability in road construction should not be less than 50cm 20 cm 10 cm 30 cm 50cm 20 cm 10 cm 30 cm ANSWER DOWNLOAD EXAMIANS APP
Highway Engineering The maximum design gradient for vertical profile of a road is exceptional gradient limiting gradient minimum gradient ruling gradient exceptional gradient limiting gradient minimum gradient ruling gradient ANSWER DOWNLOAD EXAMIANS APP
Highway Engineering Coefficient of friction is less when the pavement surface is rough smooth and wet smooth and dry dry rough smooth and wet smooth and dry dry ANSWER DOWNLOAD EXAMIANS APP
Highway Engineering If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression 3.8 NV”2 0.38 N V3/2 0.38 (NV3)”2 3.8 (NV3)”2 3.8 NV”2 0.38 N V3/2 0.38 (NV3)”2 3.8 (NV3)”2 ANSWER DOWNLOAD EXAMIANS APP