The minimum design speed for hairpin bends in hill roads is taken as_______________?
(A) 20 kmph
(B) 30 kmph
(C) 40 kmph
(D) 50 kmph
In hill roads the side drains arc provided________________?
(A) only on the hill side of road
(B) only on the opposite side of hill
(C) on both sides of road
(D) none of the above
The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as_______________?
(A) sloping drain
(B) catchwater drain
(C) side drain
(D) cross drain
Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?
(A) mastic asphalt
(B) sheet asphalt
(C) bituminous carpet
(D) bituminous concrete
Which of the following is considered to be the highest quality construction in the group of black top pavements ?
(A) mastic asphalt
(B) sheet asphalt
(C) bituminous carpet
(D) bituminous concrete
Which of the following is not used in measuring perpendicular offsets ?
(A) line ranger
(B) steel tape
(C) optical square
(D) cross staff
Cross staff is an instrument used for________________?
(A) measuring approximate horizontal angles
(B) setting out right angles
(C) measuring bearings of the lines
(D) none of the above
If the length of a chain is found to be short on testing, it can be adjusted by______________?
(A) straightening the links
(B) removing one or more small circular rings
(C) closing the joints of the rings if opened out
(D) all of the above
Normal tension is that pull which_______________?
(A) is used at the time of standardising the tape
(B) neutralizes the effect due to pull and sag
(C) makes the correction due to sag equal to zero
(D) makes the correction due to pull equal to zero
The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
(A) 1 in 100
(B) 1 in 250
(C) 1 in 500
(D) 1 in 1000