__Transportation Engineering Solved Multiple Choice Questions (MCQs) | Part 4 __

## Q.1. The maximum superelevation to be provided on a road curve is 1 in 15. If the rate of change of superelevation is specified as 1 in 120 and the road width is 10 m, then the minimum length of the transition curve on either end will be

A. 180 m

B. 125 m

C. 80 m

D. 30 m

B. 125 m

C. 80 m

D. 30 m

## Q.2. A summit curve is formed at the intersection of a 3% up gradient and a 5% down gradient. To provide a stopping distance of 128 m, the length of the summit curve needed will be

A. 271 m

B. 298 m

C. 322 m

D. 340 m

B. 298 m

C. 322 m

D. 340 m

## Q.3. Assuming the safe stopping sight distance to be 80 m on a flat highway selection and with a setback distance of 10 m, what would be the radius of the negotiable horizontal curve?

A. 800 m

B. 160 m

C. 80 m

D. 70 m

B. 160 m

C. 80 m

D. 70 m

## Q.4. A vehicle was stopped in two-second by fully jamming the breaks. The skid marks measured 9.8 m. The average skid resistance coefficient will be

A. 0.7

B. 0.5

C. 0.4

D. 0.25

B. 0.5

C. 0.4

D. 0.25

## Q. 5. For a circular curve of radius 200 m, the coefficient of lateral friction of 0.15 and the design speed is 40 kmph. The equilibrium superelevation (for equal pressure on the inner and outer wheel) would be

A. 21.3

B. 7

C. 6.3

D. 4.6

B. 7

C. 6.3

D. 4.6

## Q.6. If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40 m, then the length of the valley curve required for a headlight sight distance of 100 m will be

A. 30 m

B. 130 m

C. 470 m

D. 170 m

B. 130 m

C. 470 m

D. 170 m

## Q.7. An ascending gradient of 1 in 100 meets a descending gradient of 1 in 50. The length of the summit curve required to provide overtaking sight distance of 500 m will be

A. 938 m

B. 781 m

C. 470 m

D. 170m

B. 781 m

C. 470 m

D. 170m

## Q.8. The camber provided on a sloping road is 1 in 48. Which one of the following is the ruling gradient

A. 1 in 15

B. 1 in 20

C. 1 in 24

D. 1 in 30

B. 1 in 20

C. 1 in 24

D. 1 in 30

## Q.9. What is the minimum length of a transition curve for a design speed of 80 kmph in a horizontal curve of 240 m radius?

A. 32 m

B. 42 m

C. 52 m

D. 72 m

B. 42 m

C. 52 m

D. 72 m

## Q.10. The design speed of a highway is 80 kmph and the radius of the circular curve is 150 m in plain topography. Which one of the following is the minimum length of the transition curve?

A. 174 m

B. 85 m

C. 140 m

D. 120 m

## Recommended Book (Click to Open):

### 1. Khanna and Justo (Highway Engineering)

*Self Typed

*Source- Internet, Books and Self-Analysis