## Q. 11 Reduction of load capacity in a ruling gradient of

A. 1 in 25, is 25%

B. 1 in 10, is 10%

C. 1 in 15, is 15%

D. 1 in 20, is 10%

D. 1 in 20, is 10%

## Q. 12 The width of road pavements, depends upon

A. Width of median strip

B. Width of traffic lane

C.

C. Number of traffic

D. All the above

D. All the above

## Q. 13 While calculating the overtaking sight distance, the height of the object above road surface, is assumed

A. 100 cm

B. 120 cm

C. 50 cm

D. 75 cm

B. 120 cm

## Q. 14 Minimum thickness of the base of a flexible pavement, is

A. 15 cm

B. 20 cm

C. 10 cm

D. 25 cm

C. 10 cm

## Q. 15 Widening of the roads on curves in hilly region, is done

A. Less on outer side and more on inner

B. On the outer side

C. On the inner side

D. On the outer and inner sides equally

C. On the inner side

## Q. 16 Side drains on both sides of a hill road, are essential when the road is

A. In cutting

B. Along the spur curves

C. Along the re-entrant curves

D. None of these

A. In cutting

## Q. 17The wall constructed for the stability of a back filling portion of a road on the downhill side, is known as

A. Breast wall

B. Parapet wall

C. Retaining wall

D. All the above

C. Retaining wall

## Q. 18 If *V *is speed of a moving vehicle, *r *is radius of the curve, *g *is the acceleration due to gravity, *W *is the width of the carriageway, the super elevation is

A. *WV*²/*gr*

B. *WV*/*gr*

C. *W*²*V*/*gr*

D. *WV*/*gr*²

A. WV²/gr

## Q. 19 In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be

A. 30°

B. 20°

C. 10°

D. 15°

D. 15°

## Q. 20 If *V *is the design speed in km/hour and *R *is the radius of the curve of a hill road, the super- elevation

A. ) *e *= *V */ 225 *R*

B. *e *= *V */ 127 *R*

C. *e *= *V*² / 127 *R*

D. *e *= *V *²/ 225 *R*

D. e = V ²/ 225 R