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Sedimentation and Filtration Online Exam Quiz

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

Which of the following represents the coagulant pipe in the following figure?

Options

A : a. A

B : b. B

C : c. C

D : d. D

Which of the following represents the device which is used for sludge removal in the following figure?

Options

A : a. F

B : b. E

C : c. D

D : d. B

_________ is the average of velocities at a point over a definite period of time.

Options

A : a. Mean velocity

B : b. Relative velocity

C : c. Velocity gradient

D : d. Temporal mean velocity

Which of the following goes to the flocculation tank in the following figure?

Options

A : a. B

B : b. C

C : c. E

D : d. F

Which of the following is the correct expression regarding temporal mean velocity in the following figure?

Options

A : a. G = (P/?V)½

B : b. G = (P/?V)

C : c. G = (P/?V)²

D : d. G = (P?/V)½

Which of the following is correctly paired in the following figure?

Options

A : a. C – Impeller

B : b. D – Outlet

C : c. F – Deflecting wall

D : d. E – Impeller

The speed of impeller in a flash mixer is ___________

Options

A : a. 45rpm

B : b. 60rpm

C : c. 110rpm

D : d. 200rpm

‘C’ in the following figure represents the ________

Options

A : a. Impeller

B : b. Impeller shaft

C : c. Deflecting wall

D : d. Flash mixer wall

The detention period of a flash mixer is _________________

Options

A : a. 2 minutes

B : b. 30 minutes

C : c. 1 hour

D : d. 2 hours

Which of the following represents the impeller shaft in the following figure?

Options

A : a. F

B : b. E

C : c. C

D : d. B

When impurities are separated by the gravitation of settling particles, the operation is called _____

Options

A : a. Sedimentation with coagulant

B : b. Plain sedimentation

C : c. Secondary sedimentation

D : d. Disinfection

In which type of settling, sedimentation of discrete particles takes place?

Options

A : a. Zone settling

B : b. Compression settling

C : c. Hindered settling

D : d. Discrete settling

In which settling type, dilute suspension of particles takes place?

Options

A : a. Zone settling

B : b. Compression settling

C : c. Hindered settling

D : d. Discrete settling

In which type of sedimentation, flocculent suspension of intermediate concentration takes place?

Options

A : a. Type I sedimentation

B : b. Type II sedimentation

C : c. Type III sedimentation

D : d. Type IV sedimentation

In which type of sedimentation, flocculent suspension of high concentration takes place?

Options

A : a. Type I sedimentation

B : b. Type II sedimentation

C : c. Type III sedimentation

D : d. Type IV sedimentation

What is the settling velocity of the particle if its diameter is 2 * 10?³cm. Given G=2.65, viscosity v=8 * 10?³cm²/Sec?

Options

A : a. 0.01cm/Sec

B : b. 0.13cm/Sec

C : c. 0.24cm/Sec

D : d. 0.36cm/Sec

In a rectangular horizontal flow tank, the maximum permissible velocity is ____ m/Sec.

Options

A : a. 3

B : b. 0.3

C : c. 0.03

D : d. 0.003

The time period for which the water is stored in a sedimentation tank is called _____

Options

A : a. Time of flow

B : b. Frequency of flow

C : c. Settling time

D : d. Detention period

Settling velocity of a spherical body in a viscous fluid is given by ___________

Options

A : a. Reynolds law

B : b. Newton’s law

C : c. Stokes law

D : d. Charles law

In a fill and draw type sedimentation tank, a detention period of ____ hours is provided.

Options

A : a. 6

B : b. 12

C : c. 18

D : d. 24

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