Irrigation Engineering (3170609) MCQs

MCQs of DIVERSION HEAD WORKS & STORAGE WORKS

Showing 31 to 40 out of 49 Questions
31.

in the design of impervious apron by khosla's theory for weirs, the horizantal length of the apron is founded by the consideration of?

(a)

Design Discharge

(b)

scouring depth

(c)

velocity of flow over weir

(d)

Permissible Exit gradient

Answer:

Option (d)

32.

According to khosla's theory for seepage below a hydraulic structure the exit gradient in absence of a downstream sheet pile, is 

(a)

0

(b)

1

(c)

infinite

(d)

none of them

Answer:

Option (c)

33.

 The laplacian equation represents two sets of curves intersecting orthogonally.

(a)

True

(b)

False

Answer:

Option (a)

34.

 Gravity dam is most suitable when the foundation is _______________

(a)

weak

(b)

strong

(c)

with heavy overburden

(d)

rocky but cracked

Answer:

Option (b)

35.

 Which of the following type of dam is built in areas where the foundation is not strong enough to bear the weight of concrete?

(a)

Rock-fill dam

(b)

Earth dam

(c)

Gravity dam

(d)

Arch dam

Answer:

Option (b)

36.

Which of the following dam is partly earthen and partly rockfill?

(a)

Tehri dam

(b)

Koyna dam

(c)

Sardar Sarovar dam

(d)

Bhakra dam

Answer:

Option (a)

37.

 In which of the following dam the weight of water is carried by a deck of RCC or by arches that share the weight burden?

(a)

Earth dams

(b)

Rockfill dams

(c)

A hollow masonry gravity dam

(d)

Timber dam

Answer:

Option (c)

38.

 It is possible to construct steel dam only up to a height of ____________

(a)

5 m

(b)

10 m

(c)

20 m

(d)

 50 m

Answer:

Option (c)

39.

The vertical component of the earthquake wave which produces adverse effects on the stability of a dam when is acting in ____________________

(a)

upward direction

(b)

 downward direction

(c)

both upward and downward direction

(d)

any direction

Answer:

Option (b)

40.

The horizontal component of an earthquake wave producing instability in a dam is the one which acts __________________

(a)

towards the reservoir

(b)

towards the dam

(c)

 away from the reservoir

(d)

 away from the dam

Answer:

Option (a)

Showing 31 to 40 out of 49 Questions