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# Permeability Online Exam Quiz

Important questions about Permeability. Permeability MCQ questions with answers. Permeability exam questions and answers for students and interviews.

### What are the types of water flow in the soil?

Options

A : a. Turbulent flow and Laminar flow

B : b. Linear flow

C : c. None of the mentioned

D : d. All of the mentioned

### In what way, do the fluid particles travel in a turbulent flow?

Options

A : a. Twisting

B : b. Crossing

C : c. Re-crossing

D : d. Definite path

### Gravels are __________ permeable.

Options

A : a. Highly

B : b. Least

C : c. Partially

D : d. All of the mentioned

Options

A : a. Taylor

B : b. Darcy

C : c. Lambe

D : d. Khosla

Options

A : a. q=KA

B : b. q=K/A

C : c. q=K i A

D : d. q=K i/A

### Coefficient of permeability or simple permeability is expressed in terms of ____________

Options

A : a. cm/sec

B : b. m/day

C : c. feet/day

D : d. all of the mentioned

### The co-efficient of permeability of fine sand is ____________

Options

A : a. 1.0 and greater

B : b. 1×10¯? and smaller

C : c. 1×10¯² to 5×10¯³

D : d. 5×10¯² to 1×10¯³

### Darcy’s law is valid for only ___________

Options

A : a. Laminar flow

B : b. Turbulent flow

C : c. Hydraulic flow

D : d. All of the mentioned

Options

A : a. 1

B : b. 0

C : c. 0.1

D : d. 2

### Stiff clays are ______________ permeable.

Options

A : a. Highly

B : b. Least

C : c. Partially

D : d. None of the mentioned

### The study of seepage of water through soil is important for, which of the following purpose?

Options

A : a. Drainage of soils

B : b. Stability of slopes

C : c. Ground water flow towards well

D : d. All of the mentioned

### Darcy’s law describes the state of flow within individual pores.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

### In the definition of the seepage velocity, the cross-sectional area of the voids is taken as _______ to the direction of flow.

Options

A : a. parallel

B : b. opposite

C : c. perpendicular

D : d. tangential

Options

A : a. V?=Ve

B : b. V?=Vn

C : c. V?=V/e

D : d. V?=V/n

### Seepage velocity is inversely proportional to hydraulic gradient.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

### The coefficient of permeability of clean gravel is _________

Options

A : a. 1*10¯? and smaller

B : b. 5*10¯? – 1*10¯?

C : c. 1 – 1*10¯²

D : d. 1 and greater

Options

A : a. cm

B : b. s

C : c. cm/s

D : d. cm/s²

### If the discharge velocity is 4*10¯?cm/s and the porosity is 33%, then the seepage velocity will be _______

Options

A : a. 18*10¯?cm/s

B : b. 12*10¯?cm/s

C : c. 6*10¯?cm/s

D : d. 3*10¯?cm/s

### If the soil has discharge velocity is 9*10¯?cm/s and the voids ratio of 0.5, then the seepage velocity will be _______

Options

A : a. 18*10¯?cm/s

B : b. 27*10¯?cm/s

C : c. 16*10¯?cm/s

D : d. 13*10¯?cm/s

### The velocity of flow is proportional to _________ according to Darcy’s law.

Options

A : a. effective stress