Q. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, then, for a minimum sight distance S, the length of the vertical curve should be greater than

View solution

Q. An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of length L to be introduced, is given by

View solution

Q. If L is the length of vehicles in metres, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour, the maximum number N of vehicles/hour, is

View solution

Q. The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is

View solution

Q. If the rate of change of grade permitted along a vertical curve is r and total change of grade is g%, the length L of the curve to be provided, is

View solution

Q. If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is

View solution

Q. If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is

View solution

Q. The standard equation of a cubical spiral transition curve provided on roads, is

View solution

Q. If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is

View solution

Q. The safe length L of a valley curve for night travel is

View solution

Q. If V is the velocity in km.p.h., t the brake reaction time in seconds and η the efficiency of the brakes, the stopping distance S of the vehicle, is

View solution

Q. If R is the radius of a main circular curve, Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is

View solution

Q. The safe stopping sight distance D, may be computed from the equation

View solution

Q. The standard equation of a cubic parabolic transition curve provided on roads, is

View solution

Q. If E is the modulus of elasticity of the concrete in kg/cm², d is the slab thickness in cm, is the Poisson's ratio for the concrete, k is the sub-grade modulus kg/cm³, the radius r of relative stiffness in cm,

View solution

Q. Pick up the correct statement from the following:

View solution

Q. Deviation of the alignment of a trace cut may be permitted in areas involving

View solution

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

View solution

Q. Shoulders for high traffic volume roads, should

View solution

Q. According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is

View solution