**291. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_________________?**

A. 3 %**B. 4%**

C. 5 %

D. 6%

**292. Which of the following shapes is preferred in a valley curve ?**

A. simple parabola**B. cubic parabola**

C. spiral

D. lemniscate

**293. The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?**

A. 0.1 %

B. 1 %

C. 10%**D. no compensation**

**294. The camber of road should be approximately equal to___________________?**

A. longitudinal gradient

B. two times the longitudinal gradient

C. three times the longitudinal gradient**D. half the longitudinal gradient**

**295. In case of summit curves, the deviation angle will be maximum when_______________?**

A. an ascending gradient meets with another ascending gradient**B. an ascending gradient meets with a descending gradient**

C. a descending gradient meets with another descending gradient

D. an ascending gradient meets with a level surface

**296. Enoscope is used to find______________?**

A. average speed**B. spot speed**

C. space-mean speed

D. time-mean speed

**297. If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be_______________?**

A. zero

B. 64m

C. 80m**D. 60m**

**298. The value of ruling gradient in plains as per IRC recommendation is______________?**

A. 1 in 12

B. 1 m 15

C. 1 in 20**D. 1 in 30**

**299. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?**

A. 0.38 N V3/2**B. 0.38 (NV3)”2**

C. 3.8 NV”2

D. 3.8 (NV3)”2

**300. Highway facilities are designed for_________________?**

A. annual average hourly volume

B. annual average daily traffic**C. thirtieth highest hourly volume**

D. peak hourly volume of the year

**NOTEIF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.THANK YOU**