In highway construction, rolling starts from________________?
(A) sides and proceed to centre
(B) centre and proceed to sides
(C) one side and proceed to other side
(D) any of the above
The camber of shoulders in water bound macadam roads is________________?
(A) equal to the cross slope of pavement
(B) less than the cross slope of pavement
(C) greater than the cross slope of pavement
(D) zero
Most suitable material for highway embankments is______________?
(A) granular soil
(B) organic soil
(C) silts
(D) clays
The most suitable equipment for compacting clayey soils is a_______________?
(A) smooth wheeled roller
(B) pneumatic tyred roller
(C) sheep foot roller
(D) vibrator
When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is________________?
(A) seal coat
(B) tack coat
(C) prime coat
(D) spray of emulsion
The allowable length of an offset depends upon the______________?
(A) degree of accuracy required
(B) method of setting out the perpendiculars and nature of ground
(C) scale of plotting
(D) all of the above
Which of the following methods of offsets involves less measurement on the ground?
(A) method of perpendicular offsets
(B) method of oblique offsets
(C) method of ties
(D) all involve equal measurement on the ground
The correction for sag is_________________?
(A) always additive
(B) always subtractive
(C) always zero
(D) sometimes additive and sometimes subtractive
The camber for hill roads in case of bituminous surfacing is adopted as________________?
(A) 2%
(B) 2.5%
(C) 3%
(D) 4%
In highway construction on super elevated curves, the rolling shall proceed from_________________?
(A) sides towards the centre
(B) centre towards the sides
(C) lower edge towards the upper edge
(D) upper edge towards the lower edge