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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.

Options

A : a. A

B : b. B

C : c. C

D : d. D

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

D : d. Temporal mean velocity

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

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

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

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

Options

A : a. 6

B : b. 12

C : c. 18

D : d. 24