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31.

The piles which do not support the load by themselves, but act as a medium to transmit the load from the foundation to the resisting sub-stratum, are known as

A.	friction piles	B.	bearing piles
C.	batter piles	D.	compaction piles

32.

The piles which are driven in the type of soil whose strength does not increase with depth or where the rate of increase in strength with depth is very slow, are known as

A.	friction piles	B.	bearing piles
C.	batter piles	D.	compaction piles

33.

In combined footing

A.	depth of footing varies	B.	width of footing is uniform
C.	centre of gravity of the column loads must coincide with the centre of gravity of the footing	D.	all of the above

34.

Pile foundations are used where the good bearing capacity is available near the ground.

True

False

35.

Batter piles are

A.	used to function as retaining walls	B.	used to protect concrete deck or other water front structures from the abrasion or impact
C.	driven at an inclination to resist large horizontal inclined forces	D.	driven in granular soil with the aim of increasing the bearing capacity of the soil

36.

Fender piles are

A.	used to function as retaining walls	B.	used to protect concrete deck or other water front structures from the abrasion or impact
C.	driven at an inclination to resist large horizontal inclined forces	D.	driven in granular soil with the aim of increasing the bearing capacity of the soil

37.

The best spacing of timber piles from centre to centre is

A.	600 mm	B.	700 mm
C.	800 mm	D.	900 mm

38.

The maximum load on the wooden pile should not exceed

A.	50 kN	B.	100 kN
C.	150 kN	D.	200 kN

39.

Pre-cast concrete piles are usually

A.	reinforced concrete only	B.	plain or reinforced concrete
C.	reinforced concrete or pre-stressed concrete	D.	plain, reinforced concrete or pre-stressed concrete

40.

The length of pre-cast concrete piles varies from

A.	3 m to 4.5 m	B.	4.5 m to 10 m
C.	4.5 m to 20 m	D.	4.5 m to 30 m