Irrigation Engineering (3170609) MCQs

MCQs of INTRODUCTION & WATER REQUIREMENT OF CROPS

Showing 51 to 60 out of 64 Questions
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51.

Given that, a particular irrigation field has C.C.A as 200 hectares, out which 150 hectares of land is cultivated for rabi season and 100 hectares of land is cultivated for kharif season. What is the intensity of irrigation for each season?

(a)

50%, 100%
(b)

 120%, 60%
(c)

75%, 50%
(d)

150%, 75%
Answer:

Option (c)

52.

Given that a particular crop requires about 20 cm depth of water at an interval of 40 days, and the base period is 400 days. Find the delta for the crop? Now using this delta find the duty of water for the crop?

(a)

150 cm, 1150 hectares/cumec
(b)

180 cm, 1825 hectares/cumec
(c)

200 cm, 1728 hectares/cumec
(d)

195 cm, 1920 hectares/cumec
Answer:

Option (c)

53.

It is said that a particular type of crop requires a depth of 6 cm of water every 24 days and the crop period is 168 days. Find the delta of the crop?

(a)

50 cm
(b)

42 cm
(c)

20 cm
(d)

95 cm
Answer:

Option (b)

54.

 How can we improve the duty of water?

(a)

Lining of Canals
(b)

Construction of Weir
(c)

Construction of Dam
(d)

Check Dams
Answer:

Option (a)

55.

At which point in the entire canal system the duty of water will be more?

(a)

Head of the Water-course
(b)

 Head of the Minor
(c)

Head of the Distributary
(d)

Head of the Branch
Answer:

Option (a)

56.

 Which of the following statement is wrong?

(a)

The O.M.C is the water content at which the yield is maximum
(b)

Below O.M.C, the yield increases with water content to a certain value
(c)

After O.M.C, the yield decreases with the water content
(d)

After O.M.C, the yield increases with the water content
Answer:

Option (d)

57.

The optimum utilisation of irrigation water means _________

(a)

Getting maximum yield with the maximum amount of water available
(b)

Getting maximum yield with any amount of water
(c)

Getting less yield with maximum water content
(d)

Getting less yield with the least water content
Answer:

Option (b)

58.

The productivity of crop increases with water reaches a maximum value then, falls down.

(a)

TRUE
(b)

FALSE
Answer:

Option (a)

59.

Which factor doesn’t influence the root zone depth?

(a)

Type of soil
(b)

Type of crops grown
(c)

Sub-soil formation
(d)

The yield of the crop
Answer:

Option (d)

60.

 For clayey soils, the depth of root-zone is less.

(a)

TRUE
(b)

FALSE
Answer:

Option (a)

Showing 51 to 60 out of 64 Questions
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