To support a heavy structure in sandy soil, the type of foundation generally used, is

For the construction of flyovers in sandy soils, the type of foundation provided, is

A

Strap footing

B

Raft footing

C

Combined footing

D

Pier footing

Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.

A

40

B

41

C

42

D

43

The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as

A

Combined footing

B

Strap footing

C

Raft footing

D

None of these

In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to

A

15 mm

B

25 mm

C

35 mm

D

45 mm

Pile foundation is generally provided if soil is

A

Compressible

B

Water logged

C

Made up

D

All the above

If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is

A

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$

B

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$

C

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}{\left^2}$$

D

$${\text{h}} = \sqrt {\frac{{\text{W}}}{{{\text{Aw}}}}} {\left^2}$$

In soils possessing low bearing capacity, the type of foundation generally provided, is

A

Column footing

B

Grillage footing

C

Raft footing

D

All the above

'Heavy water' is termed as 'heavy' because it is

A

Denser than water

B

An oxide of deuterium

C

A heavy liquid

D

An oxide of heavier isotope of oxygen

In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction

A

Heavy distillates

B

Intermediate distillates

C

Light ends

D

Residues

The stepped structure provided for lateral support of a structure, is

A

Retaining wall

B

Breast wall

C

Buttress

D

Parapet wall

To support a heavy structure in sandy soil, the type of foundation generally used, is

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