Irrigation through Wells and Tubewells MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Irrigation through Wells and Tubewells, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Irrigation through Wells and Tubewells MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Irrigation through Wells and Tubewells mcq questions that explore various aspects of Irrigation through Wells and Tubewells problems. Each MCQ is crafted to challenge your understanding of Irrigation through Wells and Tubewells principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Irrigation through Wells and Tubewells MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

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Irrigation through Wells and Tubewells MCQs | Page 6 of 9

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Q51.
Open well has big diameter than tube well because ____________

i. Open well has to irrigate more area.
ii. Water contribution to the well is natural and therefore, the percolation area has to be more.
iii. Storage of water has to be made before irrigation is done.

a.

i and ii

b.

i and iii

c.

ii and iii

d.

i, ii and iii

Discuss
Answer: (c).ii and iii
Q52.
If the sub-soil formation is of fine sand, the rough value of the specific yield of well per unit area of the well (K/A) given by Marriot is ____________

a.

0.25

b.

0.50

c.

0.75

d.

1.0

Discuss
Answer: (b).0.50
Q53.
Which of the following method of lifting water is very suitable when the depth of well is from 12 to 20 meters?

a.

Denkli

b.

Churus

c.

Persian wheel

d.

Windmill

Discuss
Answer: (c).Persian wheel
Q54.
Mota layer sometimes is also known as Marbarwa or Magasan is an impervious layer.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q55.
A well is to be constructed in a fine sandy sub-soil formation. The discharge of the well under the depression head of 4 m is 0.004 m³/sec. Calculate the diameter of the well.

a.

2 m

b.

2.5 m

c.

3 m

d.

3.5 m

Discuss
Answer: (c).3 m
Q56.
The most widely used type of a deep state tube well in India is __________

a.

cavity well

b.

strainer tube well

c.

slotted pipe gravel packed tube well

d.

both cavity and strainer tube well

Discuss
Answer: (b).strainer tube well
Q57.
The general average yield from standard tube wells is of order of____________

a.

5 L/sec

b.

50 L/sec

c.

500 L/sec

d.

5000 L/sec

Discuss
Answer: (b).50 L/sec
Q58.
Which of the following tubewell is suitable when a deep bearing stratum lies below an impervious layer and water contribution can take place through bottom only?

a.

Strainer type tubewell

b.

Abyssinian tubewell

c.

Cavity type tubewell

d.

Slotted type tubewell

Discuss
Answer: (c).Cavity type tubewell
Q59.
In cavity tubewell, there is a possibility of water tapping through sides and the flow is radial.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q60.
What is the measure of the fineness of an aquifer?

a.

Average grain size

b.

Effective diameter

c.

Mean particle size

d.

Uniformity coefficient

Discuss
Answer: (b).Effective diameter
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