Well Hydraulics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Well Hydraulics, a fundamental topic in the field of Geotechnical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Well Hydraulics 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 Well Hydraulics mcq questions that explore various aspects of Well Hydraulics problems. Each MCQ is crafted to challenge your understanding of Well Hydraulics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Geotechnical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Well Hydraulics MCQs are your pathway to success in mastering this essential Geotechnical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Well Hydraulics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Well Hydraulics knowledge to the test? Let's get started with our carefully curated MCQs!

Well Hydraulics MCQs | Page 3 of 5

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Q21.
In the field determination, pumping must continue at a ________

a.

uniform rate for sufficient time to approach steady state

b.

non- uniform rate for sufficient time to approach steady state

c.

uniform rate until just before time to approach steady state

d.

non-uniform rate until just before time to approach steady state

Discuss
Answer: (a).uniform rate for sufficient time to approach steady state
Q22.
The U.S. Bureau of Reclamation (Earth manual 1960) has devised two types of pumping-in tests _________

a.

open-end test and packer test

b.

permeability test and radio test

c.

dupin test and influence test

d.

falling head and constant head permeability test

Discuss
Answer: (a).open-end test and packer test
Q23.
The formula for the open-end test is given by _________

a.

\(k=\frac{q}{5.5rh} \)

b.

\(k=\frac{5.5rh}{q} \)

c.

\(k=\frac{q}{5rh} \)

d.

\(k=\frac{q}{0.5rh} \)

Discuss
Answer: (a).\(k=\frac{q}{5.5rh} \)
Q24.
The coefficient of permeability by Packer for length greater than ten times the radius test is given by ________

a.

\(k=\frac{q}{2ฯ€h}log_{10} \frac{L}{r}\)

b.

\(k=\frac{v}{2ฯ€Lh}log_{10} \frac{L}{r}\)

c.

\(k=\frac{q}{2Lh}log_{10} \frac{L}{r}\)

d.

\(k=\frac{q}{2ฯ€Lh}log_{10} \frac{L}{r}\)

Discuss
Answer: (a).\(k=\frac{q}{2ฯ€h}log_{10} \frac{L}{r}\)
Q25.
The coefficient of permeability by Packer for length in the range 10r > L โ‰ฅr test is given by ________

a.

\(k=\frac{q}{2ฯ€h}log_{10} \frac{L}{r} \)

b.

\(k=\frac{q}{2ฯ€Lh}log_{10} \frac{L}{r} \)

c.

\(k=\frac{q}{2Lh}log_{10} \frac{L}{r} \)

d.

\(k=\frac{q}{2ฯ€Lh}sinh^{-1}\frac{L}{2r} \)

Discuss
Answer: (d).\(k=\frac{q}{2ฯ€Lh}sinh^{-1}\frac{L}{2r} \)
Q26.
When two wells are situated near each other, the discharge in individual well is ________

a.

increased

b.

decreased

c.

not effected

d.

remains same with respect to each other

Discuss
Answer: (b).decreased
Q27.
The discharge for drawdown of well is given by _______

a.

\(q=\frac{2ฯ€kb(H-h)}{log_{10}\frac{R}{r}}\)

b.

\(q=\frac{2ฯ€kb(H-h)}{log_e\frac{r}{R}}\)

c.

\(q=\frac{2ฯ€kb(H-h)}{log_e\frac{R}{r}}\)

d.

\(q=\frac{kb(H-h)}{log_e\frac{R}{r}}\)

Discuss
Answer: (c).\(q=\frac{2ฯ€kb(H-h)}{log_e\frac{R}{r}}\)
Q28.
The formula for discharge for two wells at distance B is given by ____________

a.

\(q_1=q_2=\frac{2ฯ€kb(H-h)}{log_e \frac{R^2}{rB}} \)

b.

\(q_1=q_2=\frac{2ฯ€kb(H-h)B}{log_e \frac{r}{R}}\)

c.

\(q_1=q_2=\frac{2ฯ€kb(H-h)}{log_e \frac{RB}{r}}\)

d.

\(q_1=q_2=\frac{kb(H-h)}{log_e \frac{R}{rB}} \)

Discuss
Answer: (a).\(q_1=q_2=\frac{2ฯ€kb(H-h)}{log_e \frac{R^2}{rB}} \)
Q29.
The formula for discharge for three wells forming an equilateral triangle at distance B on side is given by ____________

a.

\(q_1=q_2=q_3= \frac{2ฯ€kb(H-h)}{log_e \frac{R^2}{rB}} \)

b.

\(q_1=q_2=q_3= \frac{2ฯ€kb(H-h)}{log_e \frac{R^3}{rB^2}}\)

c.

\(q_1=q_2=q_3= \frac{2ฯ€kb(H-h)}{log_e \frac{RB}{r}}\)

d.

\(q_1=q_2=q_3= \frac{kb(H-h)}{log_e \frac{R}{rB}}\)

Discuss
Answer: (b).\(q_1=q_2=q_3= \frac{2ฯ€kb(H-h)}{log_e \frac{R^3}{rB^2}}\)
Q30.
Two tube wells of 20cm diameter each are 100m apart. The coefficient of permeability is 4.15*10¯โด m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

a.

0.033 m³/s

b.

0.040 m³/s

c.

0.036 m³/s

d.

0.042 m³/s

Discuss
Answer: (c).0.036 m³/s
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