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 7 of 9

Discuss
Answer: (a).D₅₀ of the gravel / D₅₀ of the aquifer
Q62.
According to the Central Board of Irrigation and Power, the PA ratio for graded aquifer should be _______________
Discuss
Answer: (b).12 – 15.5
Q63.
For good design, the uniformity coefficient (Cᵤ) of the gravel material should preferably be ______
Discuss
Answer: (d).< 2.5
Q64.
The efficiency of the centrifugal pumps commonly used for lifting water from wells may be of the order of _____________
Discuss
Answer: (b).65%
Q65.
A tube well is suitable when the subsoil formation is made up of _____________________
Discuss
Answer: (c).alluvium and various layers of sandy soil, clayey soil, and gravel
Q66.
Bored tube wells in rocky consolidated formations as are encountered in the South Indian States of our country are usually drilled by _____________
Discuss
Answer: (c).down the hole hammer (DTH) rigs
Q67.
Which of the following drilling method is unsuitable in loose formations such as unconsolidated sand and gravel or quicksand?
Discuss
Answer: (a).Percussion drilling
Q68.
Which drilling method is best suited for underground formations made of gravel, sand and clayey deposits?
Discuss
Answer: (b).Wash boring method
Q69.
Which is the fastest method of drilling and especially useful in unconsolidated formations?
Discuss
Answer: (c).Hydraulic Rotary method
Q70.
A household tube well is called Abyssinian tube well falls under _________
Discuss
Answer: (a).strainer type
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