Engineering :: Highway Engineering

@ : Home > Civil Engineering > Highway Engineering

131.

According to IRC : 52-1973, the first stage for fixing up alignment of a hill road is

A.	trace cut	B.	detailed survey
C.	preliminary survey	D.	reconnaissance

132.

Alignment of a road is finally decided on the basis of

A.	selection of route	B.	field survey
C.	trace cut	D.	none of these

133.

A track of width 1 to 1.2 m constructed along the selected alignment to facilitate access to the area for inspection and detailed survey is known as

A.	inspection trace	B.	terrain
C.	trace out	D.	all of these

134.

The gradients of trace cuts for hill roads are kept

A.	10 to 20% easier than the ruling gradient	B.	20 to 25% easier than the ruling gradient
C.	10 to 20% steeper than the ruling gradient	D.	20 to 25% steeper than the ruling gradient

135.

At the end of the reconnaissance phase, the selected alignment is pegged by using about 2m high poles on which the

A.	number of peg is marked	B.	direction of proposed alignment is marked
C.	distance between the two pegs is marked	D.	all of these

136.

Which of the following statement is correct?

A.	In rocky areas and dense jungles, the trace cut may be avoided and some suitable arrangement may be made so as to gain access for ascertaining details.	B.	Reconnaissance is best done by topographical surveys.
C.	The detailed survey should be conducted for a strip covering on either side of the chosen centre line a width of about 15 m in case of straight stretches and 30 m in case of sharp curves.	D.	all of the above

137.

During the detailed survey of a hill road, the first operation is to fix the bench marks.

True

False

138.

In detailed survey of a hill road, the interval for plotting the contours at sharp curves is generally

A.	1 m	B.	2 m
C.	4 m	D.	6 m

139.

The longitudinal levels, in detailed survey of a hill road, should be taken at

A.	4 m	B.	6 m
C.	8 m	D.	10 m

140.

A terrain with cross-slope less than 10 percent, is called

A.	steep terrain	B.	mountainous terrain
C.	level terrain	D.	rolling terrain