# Civil Engineering - Highway Engineering

### Exercise :: Highway Engineering - Section 5

21.

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

 A. B. C. D.

Explanation:

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22.

During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate

 A. direction of the proposed alignment B. distance between the previous and forward pegs C. relative elevations of pegs D. all the above.

Explanation:

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23.

Concrete pavement is provided if daily traffic per lane exceeds

 A. 500 tonnes B. 750 tonnes C. 1000 tonnes D. 1250 tonnes E. 1300 tonnes

Explanation:

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24.

If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept

 A. 1.275 d B. 1.125 d C. 0.85 d D. 0.75 d E. 0.60 d

Explanation:

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25.

If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as