1. When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in

• a) slipping

• b) skidding

• c) turning

• d) revolving

2. Coefficient of friction is less when the pavement surface is

• a) dry

• b) rough

• c) smooth and dry

• d) smooth and wet

3. The shoulder provided along the road edge should be

• a) rougher than the traffic lanes

• b) smoother than the traffic lanes

• c) of same colour as that of the pavement

• d) of very low load bearing capacity

4. Compared to a level surface, on a descending gradient the stopping sight distance is

• a) less

• b) more

• c) same

• d) dependent on the speed

5. On a single lane road with two way traffic, the minimum stopping sight distance is equal to

• a) stopping distance

• b) two times the stopping distance

• c) half the stopping distance

• d) three times the stopping distance

6. The desirable length of overtaking zone as per IRC recommendation is equal to

• a) overtaking sight distance

• b) two times the overtaking sight distance

•  c) three times the overtaking sight distance

• d) five times the overtaking sight distance

7. Stopping sight distance is always

• a) less than overtaking sight distance

• b) equal to overtaking sight distance

• c) more than overtaking sight distance

• d) none of the above

8. If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is

• a) 30 M

• b) 60 m

• c) 120 m

• d) 180 m

9. The effect of grade on safe overtaking sight distance is

• a) to increase it on descending grades and to decrease it on ascending grades

• b) to decrease it on descending grades and to increase it on ascending grades

• c) to increase it on both descending and ascending grades

• d) to decrease it on both descending and ascending grades

10.  The ruling design speed on a National Highway in plain terrain as per IRC recommendations is

• a) 60 kmph

• b) 80 kmph

• c) 100 kmph

• d) 120 kmph