For the upstream face of an earthen dam, the most adverse condition for stability of slope is

Tilaiya Dam, Konar dam, Maithon Dam and Panchet Hill Dam have been constructed under:

A

The Narmada Valley Project

B

The Damodar Valley Project

C

The Krishna Valley Project

D

The Mahanadi Project

Seepage through embankments in an earthen dam is controlled by

A

drainage filters

B

relief wells

C

drain trenches

D

provision of downstream berms

Seepage through foundation in an earthen dam is controlled by providing

A

rock toe

B

horizontal blanket

C

impervious cut off

D

chimney drain

Which of the following spillways is least suitable for an earthen dam ?

A

ogee spillway

B

chute spillway

C

side channel spillway

D

shaft spillway

A Collection of 16 coins,each with a face value of either 10 paisa or 25 paisa, has a total face value of Tk. 2.35 How many of the coins have a face value of 25 paisa?

A

3

B

5

C

7

D

9

A collection o 16 coins , each with a face value either 10 paisa or 25 paisa, has a total face value of Tk. 2.35. How many of the coins have a face value of 25 paisa/

A

3

B

5

C

7

D

9

Be careful when draining ---- adverse weather condition. Fill in the blank with appropriate word.

A

to

B

under

C

along

D

during

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

The stability of a dam is checked for

A

Tension at the base

B

Overturning of the wall or dam

C

Sliding of the wall or dam

D

All of these

In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?

A

On average,people consume 30% less coffee today than they did 10 years ago

B

Sales of specialty types of coffee have held steady as sales of regular brands have declined

C

The consumption of fruit juice and caffeine-free herbal tea has increased over the decade

D

Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.

For the upstream face of an earthen dam, the most adverse condition for stability of slope is

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