Civil Engineering - Highway Engineering

31.
If R is the radius of a main circular curve, Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is
3 R sin Δ/3 sin 2α
3 R sin Δ/2 sin 3α
3 R sin Δ/3 sin α/2
3 R sin 2Δ sin α
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Super-elevation on roads in snow bound areas, should generally not exceed
15%
12%
10%
7%
6%
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2, spacing of 10 mm tie bars for the longitudinal joint, is
10 cm
20 cm
30 cm
40 cm
50 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm2 at 28 days, are
5.0
6.5
7.0
7.5
8.0
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have
no gradient between A and C
a positive gradient between A and C
a negative gradient between A and C
a negative gradient between A and B
a positive gradient between A and B followed by a negative gradient between B to C.
Answer: Option
Explanation:
No answer description is available. Let's discuss.