# Civil Engineering - Highway Engineering

Exercise : Highway Engineering - Section 5
26.
Pick up the incorrect statement from the following:
Highways are always constructed in straight line
Highways may be provided horizontal curves
Highways may be provided vertical curves
Highways may be provided both horizontal and vertical curves.
Explanation:
No answer description is available. Let's discuss.

27.
If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the required super elevation is
50 cm
1 in 25
1 in 400
1 in 40
1 in 24
Explanation:
No answer description is available. Let's discuss.

28.
In cement concrete pavements, tensile stress is due to :
bending or deflection under wheel loads
difference in temperature of the top and bottom of pavement
contraction of slab during falling temperature
all the above.
Explanation:
No answer description is available. Let's discuss.

29.
If L is the length of the transition curves provided on either side of a circular curve of radius R, the maximum angle of deflection with tangent for the junctions of the transition curve and circular curve, is
L/R
L/2R
L/3R
L/4R
none of these.