The most efficient traffic signal system is simple progressive system flexible progressive system simultaneous system alternate system TRUE ANSWER : ? YOUR ANSWER : ?
If aggregate impact value is 20 to 30 percent, then it is classified as unsuitable for road surfacing exceptionally strong strong satisfactory for road surfacing TRUE ANSWER : ? YOUR ANSWER : ?
The suitable surfacing material for a bridge deck slab is mastic asphalt sheet asphalt rolled asphalt bituminous carpet TRUE ANSWER : ? YOUR ANSWER : ?
In case of summit curves, the deviation angle will be maximum when an ascending gradient meets with another ascending gradient an ascending gradient meets with a level surface an ascending gradient meets with a descending gradient a descending gradient meets with another descending gradient TRUE ANSWER : ? YOUR ANSWER : ?
The maximum spacing of contraction joints in rigid pavements is 3.5 m 4.5 m 2.5 m 5.5m TRUE ANSWER : ? YOUR ANSWER : ?
Study the following statements regarding creep. i) Creep is greater on curves than on tangent railway track, ii) Creep in new rails is more than that in old rails, iii) Creep is more on steep gradients than on level track. The correct answer is (i)and(ii) only (i) (ii) and (iii) (i), (ii) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
Most suitable material for highway embankments is clays granular soil organic soil silts TRUE ANSWER : ? YOUR ANSWER : ?
The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is 7 5 3 0 TRUE ANSWER : ? YOUR ANSWER : ?
The effect of grade on safe overtaking sight distance is to decrease it on both descending and ascending grades to increase it on both descending and ascending grades to decrease it on descending grades and to increase it on ascending grades to increase it on descending grades and to decrease it on ascending grades TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is considered to be the highest quality construction in the group of black top pavements? Bituminous concrete Bituminous carpet Mastic asphalt Sheet asphalt TRUE ANSWER : ? YOUR ANSWER : ?