Select the correct statement. More the value of group index, less thickness of pavement will be required More the value of CBR, greater thickness of pavement will be required Minimum and maximum values of group index can be 0 and 20 respectively All of these TRUE ANSWER : ? YOUR ANSWER : ?
The maximum spacing of contraction joints in rigid pavements is 4.5 m 2.5 m 5.5m 3.5 m TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ? mastic asphalt bituminous carpet sheet asphalt bituminous concrete TRUE ANSWER : ? YOUR ANSWER : ?
The value of ruling gradient in plains as per IRC recommendation is 1 m 15 1 in 30 1 in 12 1 in 20 TRUE ANSWER : ? YOUR ANSWER : ?
If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be 60m 80m zero 64m TRUE ANSWER : ? YOUR ANSWER : ?
On a right angled road intersection with two way traffic, the total number of conflict points is 6 18 24 11 TRUE ANSWER : ? YOUR ANSWER : ?
For design, that length of transition curve should be taken which is based on rate of change of super elevation smaller of (A) and (B) based on allowable rate of change of centrifugal acceleration higher of (A) and (B) TRUE ANSWER : ? YOUR ANSWER : ?
For a constant value of coefficient of lateral friction, the value of required super-elevation increases with increase in speed and with decrease in radius of curve decrease in speed and with increase in radius of curve increase in both speed and radius of curve decrease in both speed and radius of curve TRUE ANSWER : ? YOUR ANSWER : ?
For rapid curing cutbacks, the oil used is light diesel gasoline kerosene oil heavy diesel TRUE ANSWER : ? YOUR ANSWER : ?