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Solid Waste Management Online Exam Quiz

Important questions about Solid Waste Management. Solid Waste Management MCQ questions with answers. Solid Waste Management exam questions and answers for students and interviews.

Which of the following is represented by C in the following figure?

Options

A : a. Outlet

B : b. Digestion chamber

C : c. Gas chamber

D : d. Sedimentation chamber

In which of the following, the settling of solids takes place in the following figure?

Options

A : a. Outlet

B : b. Digestion chamber

C : c. Gas chamber

D : d. Sedimentation chamber

The maximum flow through the period at D in the following figure?

Options

A : a. 0.3m/min

B : b. 0.4m/min

C : c. 0.8m/min

D : d. 0.9m/min

The sludge is digested in which of the following?

Options

A : a. Outlet

B : b. Sedimentation chamber

C : c. Gas chamber

D : d. Digestion chamber

The gas chamber in the below figure is represented by _____________

Options

A : a. A

B : b. E

C : c. B

D : d. C

The sewage comes in the Imhoff tank through which of the following?

Options

A : a. A

B : b. B

C : c. C

D : d. D

The detention period of the sedimentation chamber of an Imhoff tank is?

Options

A : a. 30 seconds

B : b. 30 minute

C : c. 1 hour

D : d. 2 hours

B in the following figure is represented by ____________

Options

A : a. Outlet

B : b. Sedimentation chamber

C : c. Gas chamber

D : d. Digestion chamber

Which of the following is called a scum chamber in the following figure?

Options

A : a. Settling chamber

B : b. Sedimentation chamber

C : c. Gas chamber

D : d. Digestion chamber

Which of the following is an anaerobic process for treating sewage?

Options

A : a. Oxidation pond

B : b. Imhoff tank

C : c. Oxidation ditch

D : d. Rotating Biological Contactors

The minimum design depth of oxidation pond is ___________

Options

A : a. 0.3m

B : b. 0.5m

C : c. 1m

D : d. 1.5m

Oxidation pond is ineffective in removing pathogenic bacteria.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

The detention period of oxidation pond is ___________

Options

A : a. 12-36 hours

B : b. 4 hours

C : c. 10-20 days

D : d. 30-60 seconds

The maximum BOD removal efficiency of an oxidation pond is ___________

Options

A : a. 90%

B : b. 68%

C : c. 70%

D : d. 80%

What is the minimum depth of water to be kept in the oxidation pond?

Options

A : a. 0.3m

B : b. 0.5m

C : c. 1m

D : d. 1.5m

Which chemical is added to the oxidation pond to avoid bad odor?

Options

A : a. Calcium chloride

B : b. Sodium nitrate

C : c. Potassium chloride

D : d. Silver nitrate

The disposal of sewage from the septic tank is done by which of the following?

Options

A : a. Clarifier

B : b. Soak pit

C : c. Aerated lagoon

D : d. Lamp holes

The detention period of a septic tank is ___________

Options

A : a. 2 hours

B : b. 12-36 hours

C : c. 4 hours

D : d. 1 week

The concentration of biodegradable organic matter after the septic tank is ___________

Options

A : a. 50ppm

B : b. 100ppm

C : c. 200ppm

D : d. 75ppm

What is the maximum design flow of sewage in a septic tank?

Options

A : a. 70 liters per person per day

B : b. 100 liters per person per day

C : c. 30 liters per person per day

D : d. 40 liters per person per day

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