500 Best Highway Engineering MCQ
Q57). The rate of rise or fall of the road surface along its length, is called
a).Cant
b).Super-elevation
c).Gradient
d).Banking
Correct Answer:
Gradient
Explanation:
Q58). If the difference of levels between two points A and B is 1 metre and their distance apart is 50 metres, the gradient is said to be
a).1 in 50 or 2%
b).1 in 5 or 20%
c).1 in 20 or 5%
d).None of these
Correct Answer:
1 in 50 or 2%
Explanation:
Q59). The equilibrium super-elevation is given by
a).V2/R
b).V2/g.R
c).V2/127.R
d).None of these
Correct Answer:
V2/127.R
Explanation:
Q60). According to Indian Roads Congress, super-elevation balances the centrifugal force corresponding to
a).Full design speed
b).Half of the design speed
c).Three-fourth of the design speed
d).None of these
Correct Answer:
Three-fourth of the design speed
Explanation:
Q61). The gradient of a road depends upon the
a).Nature of traffic
b).Nature of ground
c).Rainfall of the locality
d).All of these
Correct Answer:
All of these
Explanation:
Q62). The steepest gradient which is to be permitted on the road is called
a).Maximum gradient
b).Limiting gradient
c).Both A and B
d).None of these
Correct Answer:
Both A and B
Explanation:
Q63). The value of maximum gradient for hill roads is
a).1 in 5
b).1 in 10
c).1 in 15
d).1 in 20
Correct Answer:
1 in 15
Explanation:
Q64). The suitable gradient within which the engineer must endeavour to design the road is called
a).Limiting gradient
b).Ruling gradient
c).Average gradient
d).Exceptional gradient
Correct Answer:
Ruling gradient
Explanation: