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171.

The side drains are provided on both sides of the roadway, when the road is

A.	in cutting	B.	along salient curve
C.	along re-entrant curve	D.	all of these

172.

A ater bound macadam road is an example of

A.	rigid pavement	B.	semi-rigid pavement
C.	flexible pavement	D.	none of these

173.

A cement concrete road is an example of semi-rigid pavement.

Yes

174.

A cement grouted road is an example of

A.	semi-rigid	B.	rigid
C.	flexible

175.

Which of the following statement is correct?

A.	The sub-grade strength has only little influence upon the structural capacity of the rigid pavement.	B.	The major factor in the design of rigid pavements is the flexural strength of concrete.
C.	The temperature variations due to changes in atmospheric conditions do not produce stresses in flexible pavements.	D.	all of the above

176.

The flexible pavement distribute the wheel load

A.	directly to sub-grade	B.	through a set of layers to sub-grade
C.	through structural action	D.	none of these

177.

The flexible pavements have self-healing properties.

Right

Wrong

178.

The cost of construction of rigid pavements is

A.	same	B.	less
C.	more

179.

The structure of a road is composed of

A.	sub-grade	B.	sub-base
C.	base	D.	all of these

180.

The natural soil on which the pavement rests and to which the entire load of structure is ultimately transferred, is known as the

A.	base of road	B.	sub-base of road
C.	sub-grade of road	D.	all of these