Permeability MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Permeability, 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 Permeability 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 Permeability mcq questions that explore various aspects of Permeability problems. Each MCQ is crafted to challenge your understanding of Permeability 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 Permeability 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 Permeability. 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 Permeability knowledge to the test? Let's get started with our carefully curated MCQs!

Permeability MCQs | Page 4 of 10

Discover more Topics under Geotechnical Engineering

01.

Geotechnical Engineering Basic Concepts

02.

Index Properties Determination

03.

Classification of Soils

04.

Soil Structure and Clay Minerology

05.

Soil Water Effective and Neutral Stresses

06.

Well Hydraulics

07.

Seepage Analysis

08.

Drainage and Dewatering

09.

Elements of Elasticity and Stress Distribution

10.

One Dimensional Consolidation

11.

Compaction

12.

Shear Strength

Q31.

The drainage property of silty clay is ________

very good

good

fair

very poor

Discuss

Answer: (d).very poor

Q32.

For flow of water in tube, the velocity at surface is ___________

zero

equal to velocity at 1/3 of diameter

equal to velocity at 1/2 of diameter

equal to velocity at centre

Discuss

Answer: (a).zero

Q33.

In Poiseuille’s law of flow, the variation of the velocity is given by _______

v = $\frac{h γ_{w}}{4 η L} (r^{2} - R^{2})$

v = $\frac{h γ_{w}}{14 η L} (R^{2} - r^{2})$

v = $\frac{h γ_{w}}{4 η L} (R^{2} - r^{2})$

v = $\frac{h γ_{w}}{8 η L} (R^{2} - r^{2})$

Discuss

Answer: (c).v =

\frac{h γ_{w}}{4 η L} (R^{2} - r^{2})

Q34.

The velocity of flow of water at the centre of tube is _______ when the head is 0.1m, η=8.9*10¯³ dynes-s/cm², γw=1 g/cm³, the length is 10m and the diameter is 20cm.

20 cm/s

22 cm/s

28 cm/s

30 cm/s

Discuss

Answer: (c).28 cm/s

Q35.

The quantity of water flowing in thin cylindrical sheet of thickness dr is ____________

$d q = \frac{h γ_{w}}{4 η L} (R^{2} - r^{2}) 2 π r d r$

$d q = \frac{h γ_{w}}{4 η L} (R^{2} - r^{2}) 4 π r d r$

$d q = \frac{h γ_{w}}{4 η L} (R^{2} - r^{2}) 8 π r d r$

$d q = \frac{h γ_{w}}{4 η L} (R^{2} - r^{2}) 12 π r d r$

Discuss

Answer: (a).

d q = \frac{h γ_{w}}{4 η L} (R^{2} - r^{2}) 2 π r d r

Q36.

The total quantity of water flowing through the capillary tube is given by _________

$q = \frac{h γ_{w}}{4 η L} R^{2}$

$q = \frac{h γ_{w}}{4 η L} R^{4}$

$q = \frac{h γ_{w}}{8 η L} R^{2}$

$q = \frac{h γ_{w}}{8 η L} π R^{4}$

Discuss

Answer: (d).

q = \frac{h γ_{w}}{8 η L} π R^{4}

Q37.

The total quantity of water with respect to the hydraulic gradient flowing through the capillary tube is given by _________

$q = \frac{h i γ_{w}}{4 η L} R^{2}$

$q = \frac{h γ_{w}}{4 η L} R^{4} / i$

$q = \frac{i γ_{w}}{8 η} π R^{2}$

$q = \frac{i γ_{w}}{8 η} π R^{4}$

Discuss

Answer: (d).

q = \frac{i γ_{w}}{8 η} π R^{4}

Q38.

The average velocity of the tube of area a is given by _________

$v_{a v} = \frac{i γ_{w}}{8 η π} a$

$v_{a v} = \frac{\frac{i γ_{w}}{8 η π}}{a}$

$v_{a v} = \frac{i γ_{w}}{2 η π} a$

$v_{a v} = \frac{\frac{i γ_{w}}{4 η π}}{a}$

Discuss

Answer: (a).

v_{a v} = \frac{i γ_{w}}{8 η π} a

Q39.

The hydraulic radius RH is the ratio of the area of the tube to its volume.

True

False

May be True or False

Can't say

Discuss

Answer: (a).True

Q40.

The hydraulic radius RH of circular tube is given by ________

RH=R/4

RH=R/6

RH=R/2

RH=R/12

Discuss

Answer: (c).RH=R/2

Page 4 of 10

Permeability MCQs | Page 4 of 10

Discover more Topics under Geotechnical Engineering

Geotechnical Engineering Basic Concepts

Index Properties Determination

Classification of Soils

Soil Structure and Clay Minerology

Soil Water Effective and Neutral Stresses

Well Hydraulics

Seepage Analysis

Drainage and Dewatering

Elements of Elasticity and Stress Distribution

One Dimensional Consolidation

Compaction

Shear Strength