Civil Engineering - Highway Engineering

16. 

To indicate proper control of consistency of a freshly mixed concrete for pavement construction, the slump should be between

A. 3 to 5 cm
B. 4 to 6 cm
C. 5 to 7 cm
D. 7 to 10 cm
E. 10 to 12 cm

Answer: Option D

Explanation:

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17. 

Driving vehicles on wet surfaced roads, is dangerous because it may

A. skid
B. slip
C. overturn
D. all the above.

Answer: Option B

Explanation:

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18. 

The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is

A. same for National Highways
B. different for National Highways
C. same for State Highways
D. same for Major District roads.

Answer: Option B

Explanation:

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19. 

If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is

A.
B.
C.
D.
E.

Answer: Option A

Explanation:

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20. 

If D is the degree of a curve, the percentage reduction of gradient, is

A. 0.01 D
B. 0.02 D
C. 0.03 D
D. 0.04 D
E. 0.005 D

Answer: Option D

Explanation:

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