Irrigation Engineering (3170609) MCQs

MCQs of INTRODUCTION & WATER REQUIREMENT OF CROPS

Showing 1 to 10 out of 64 Questions
1.

What is the time interval between the sowing and harvesting of crops?

(a)

 Base period

(b)

Kor period

(c)

Crop period

(d)

Season period

Answer:

Option (c)

2.

Crop period is approximately assumed to be the same as that of the base period.

(a)

True

(b)

False

Answer:

Option (a)

3.

What is the first step in soil preparation before sowing of seeds?

(a)

Levelling

(b)

 Ploughing

(c)

Manuring

(d)

 Pre-watering

Answer:

Option (b)

4.

The first watering before sowing the crop is ________

(a)

paleo

(b)


kor

(c)

 delta

(d)

flooding

Answer:

Option (a)

5.

What is called as the percentage of C.C.A irrigated at a time in one crop season?

(a)

 Gross Command Area

(b)

Culturable cultivated area

(c)

Culturable uncultivated area

(d)

Intensity of irrigation

Answer:

Option (d)

6.

Superfluous water is also called _______

(a)

capillary water

(b)

gravitational water

(c)

hydroscopic water

(d)

 saturation capacity

Answer:

Option (b)

7.

The useful soil moisture for plant growth is ______

(a)

 capillary water

(b)

gravitational water

(c)

hydroscopic water

(d)

 permanent wilting point

Answer:

Option (a)

8.

 The area in which inferior crops can be grown without irrigation is called semi-arid region.

(a)

 True

(b)

False

Answer:

Option (a)

9.

A field was supplied water from an tank at a rate of 120 lit/s to irrigate an area of 2.5 Ha. The duration of irrigation is 8 hours.it was found that the actual delivery at the field, which is about 6 km from he tank, was 100 lit/s the ruoff loss in the field was estimated as 800 m3.the application efficiency is

(a)

72.22%

(b)

76%

(c)

80%

(d)

62%

Answer:

Option (a)

10.

In a cultivated area, the soil has porosity of 45% and field capacity of 40 % For a particular Crop, the root zone depth is 1 m, the permenent wilting point is 10% and the consuptive use is 15 mm/d.if the irrigation efficiency is 60%, what should be the frequancy of irrigation such that the moisture content does not fall below 60 % of the maximum available water.

(a)

8 day

(b)

10 day

(c)

6 day

(d)

12 day

Answer:

Option (a)

Showing 1 to 10 out of 64 Questions