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Water-and-waste-water Questions Set 16:

Quiz Mode

What is the typical value of the uniformity coefficient in a rapid sand filter?

1.5

2.5

Solution:

What is the typical detention period of a lime soda treatment plant?

1 hour

3 hours

2 - 4 hours

4 - 7 hours

Solution:

Which of the following is a disadvantage of large-sized sewers?

Choking problems

Handling and transportation

Cleaning

Economical

Solution:

Which type of filter is normally used in a lime soda treatment plant?

Slow sand filter

Rapid sand filter

Dual media filter

Mixed media filter

Solution:

A structure that is constructed to take surface water from the source to the treatment plant is called ____.

Pipe culvert

Intake

Aquifers

Deep well

Solution:

The 5–day BOD of a wastewater sample is obtained as 190 mg/I (with k = 0.01 h–1). The ultimate oxygen demand (mg/I) of the sample will be

3800

475

271

190

Solution:

Which of the following statements about water sources are correct?

1, 2, 3 and 4 are correct

1 and 4 are correct

2, 3 and 4 are correct

1, 3 and 4 are correct

Solution:

Which of the following is not a cause of the color of water?

Algae metabolism

Degraded organic matter

Containing divalent species

High concentration of nitrate

Solution:

The ion product of water (pK_w) is 14. If a rain water sample has a pH of 5.6, the concentration of OH^- in the sample (in 10^-9 mol/litre, round off to one decimal place), is ________.

Solution:

Find the area of sewage land required in hectares if the sewage flow is 10 MLD, nitrogen required is 65 kg/hectare/day. Nitrogen available in sewage flow is taken to be 30 mg/l.

4.61

5.76

6.26

6.62

Water-and-waste-water Questions Set 16:

What is the typical value of the uniformity coefficient in a rapid sand filter?

Solution:

What is the typical detention period of a lime soda treatment plant?

Solution:

Which of the following is a disadvantage of large-sized sewers?

Solution:

Which type of filter is normally used in a lime soda treatment plant?

Solution:

A structure that is constructed to take surface water from the source to the treatment plant is called ____.

Solution:

The 5–day BOD of a wastewater sample is obtained as 190 mg/I (with k = 0.01 h–1). The ultimate oxygen demand (mg/I) of the sample will be

Solution:

Which of the following statements about water sources are correct?

Solution:

Which of the following is not a cause of the color of water?

Solution:

The ion product of water (pK_w) is 14. If a rain water sample has a pH of 5.6, the concentration of OH^- in the sample (in 10^-9 mol/litre, round off to one decimal place), is ________.

Solution:

Find the area of sewage land required in hectares if the sewage flow is 10 MLD, nitrogen required is 65 kg/hectare/day. Nitrogen available in sewage flow is taken to be 30 mg/l.

Solution:

Related Question Sets:

Related Topics:

Water-and-waste-water Questions Set 16:

What is the typical value of the uniformity coefficient in a rapid sand filter?

Solution:

What is the typical detention period of a lime soda treatment plant?

Solution:

Which of the following is a disadvantage of large-sized sewers?

Solution:

Which type of filter is normally used in a lime soda treatment plant?

Solution:

A structure that is constructed to take surface water from the source to the treatment plant is called ____.

Solution:

The 5–day BOD of a wastewater sample is obtained as 190 mg/I (with k = 0.01 h–1). The ultimate oxygen demand (mg/I) of the sample will be

Solution:

Which of the following statements about water sources are correct?

Solution:

Which of the following is not a cause of the color of water?

Solution:

The ion product of water (pKw) is 14. If a rain water sample has a pH of 5.6, the concentration of OH- in the sample (in 10-9 mol/litre, round off to one decimal place), is ________.

Solution:

Find the area of sewage land required in hectares if the sewage flow is 10 MLD, nitrogen required is 65 kg/hectare/day. Nitrogen available in sewage flow is taken to be 30 mg/l.

Solution:

Related Question Sets:

Related Topics:

The ion product of water (pK_w) is 14. If a rain water sample has a pH of 5.6, the concentration of OH^- in the sample (in 10^-9 mol/litre, round off to one decimal place), is ________.