Newly constructed pavement with ordinary Portland cement attains its working strength after

A)
42 days
B)
28 days
C)
21 days
D)
14 days

Correct Answer :   28 days

Recently Updated in Highway Engineering Questions
In welded wire mesh, the longitudinal wire is placed at______.
A)
10 cm centres
B)
15 cm centres
C)
20 cm centres
D)
25 cm centres

Correct Answer : Option (B) :   15 cm centres

Ruling gradient on hill roads 300 m above M.S.L. is kept
A)
5%
B)
6%
C)
7%
D)
8%

Correct Answer : Option (A) :   5%

The length of a transition curve, is governed by
A)
rate of change of super-elevation
B)
rate of change of radial acceleration
C)
Both (A) and (B)
D)
Neither (A) nor (B)

Correct Answer : Option (C) :   Both (A) and (B)

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