For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?

A

3

B

9

C

7

D

6

As compared to gravity dams, earthen dams

A

are costlier

B

are less susceptible to failure

C

require sound rock foundations

D

require less skilled labour

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

For wave action in dams, the maximum height of freeboard is generally taken to be equal to (where hw is height of wave.)

A

0.5 hw

B

0.75 hw

C

1.25 hw

D

1.50 hw

L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?

A

O is the shortest of the group.

B

N is the second tallest of the group.

C

L is the tallest of the group.

D

Q is the third oldest of the group.

Seepage through embankments in an earthen dam is controlled by

A

drainage filters

B

relief wells

C

drain trenches

D

provision of downstream berms

Most suitable material for highway embankments is

A

granular soil

B

organic soil

C

silts

D

clays

The side slope of embankments for a railway track is generally taken as

A

1:1

B

1.5:1

C

2:1

D

1:2

If the depth of water in an open channel is less than the critical depth, the flow is called

A

Critical flow

B

Turbulent flow

C

Tranquil flow

D

Torrential flow

If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?

A

10%

B

20%

C

37%

D

40%

For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

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