Jobs By Abekus

Water-and-waste-water Questions Set 48:

Quiz Mode

What is the lowest waste water flow in hospitals?

40 lpcd

900 lpcd

700 lpcd

50 gpcd

Solution:

________ represents the bacterial density that is most likely to be present in water.

BOD

COD

MPN

Coliform index

Solution:

The cracking of bed is more prominent

Near the wall junction

Outside the wall junction

Inside the wall junction

On the wall junction.

Solution:

Which of the following is a better test to identify Coliforms?

Coliform index

Multiple tube fermentation

MPN test

Membrane filter technique

Solution:

The maximum daily demand of a city is 24*10⁵ and the rate of filtration is 100 per litre per hour per m². What is the area of the filter?

100

1000

1500

Solution:

Which device is used to supply air for the agitation of sand grains during the washing of filters?

Rate control device

Tube settlers

Air compressors

Flocculator

Solution:

Which type of problem is caused in filter due to the accumulation of solids on the top surface of filter media?

Clogging

Air binding

Sand incrustation

Sand leakage

Solution:

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown.
The non-carbonate hardness (expressed in mg/L as CaCO3) of the sample is________

Solution:

The thickness of the suspended matter on top of the sand bed is

Directly proportional to head loss

Inversely proportional to head loss

Independent of the head loss

Directly proportional to the square of head loss

Solution:

Consider the following statements regarding sand as filter material.
i. It should be free from clay or silt
ii. Organic matter should be present in the sand
iii. It should be nonuniform
Which of the above statement is/are correct?

i, ii

i only

ii, iii

i, ii, iii

Water-and-waste-water Questions Set 48:

What is the lowest waste water flow in hospitals?

Solution:

________ represents the bacterial density that is most likely to be present in water.

Solution:

The cracking of bed is more prominent

Solution:

Which of the following is a better test to identify Coliforms?

Solution:

The maximum daily demand of a city is 24*10⁵ and the rate of filtration is 100 per litre per hour per m². What is the area of the filter?

Solution:

Which device is used to supply air for the agitation of sand grains during the washing of filters?

Solution:

Which type of problem is caused in filter due to the accumulation of solids on the top surface of filter media?

Solution:

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown.
The non-carbonate hardness (expressed in mg/L as CaCO3) of the sample is________

Solution:

The thickness of the suspended matter on top of the sand bed is

Solution:

Consider the following statements regarding sand as filter material.
i. It should be free from clay or silt
ii. Organic matter should be present in the sand
iii. It should be nonuniform
Which of the above statement is/are correct?

Solution:

Related Question Sets:

Related Topics:

Water-and-waste-water Questions Set 48:

What is the lowest waste water flow in hospitals?

Solution:

________ represents the bacterial density that is most likely to be present in water.

Solution:

The cracking of bed is more prominent

Solution:

Which of the following is a better test to identify Coliforms?

Solution:

The maximum daily demand of a city is 24*105 and the rate of filtration is 100 per litre per hour per m2. What is the area of the filter?

Solution:

Which device is used to supply air for the agitation of sand grains during the washing of filters?

Solution:

Which type of problem is caused in filter due to the accumulation of solids on the top surface of filter media?

Solution:

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown.The non-carbonate hardness (expressed in mg/L as CaCO3) of the sample is________

Solution:

The thickness of the suspended matter on top of the sand bed is

Solution:

Consider the following statements regarding sand as filter material. i. It should be free from clay or silt ii. Organic matter should be present in the sand iii. It should be nonuniform Which of the above statement is/are correct?

Solution:

Related Question Sets:

Related Topics:

The maximum daily demand of a city is 24*10⁵ and the rate of filtration is 100 per litre per hour per m². What is the area of the filter?

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown.
The non-carbonate hardness (expressed in mg/L as CaCO3) of the sample is________

Consider the following statements regarding sand as filter material.
i. It should be free from clay or silt
ii. Organic matter should be present in the sand
iii. It should be nonuniform
Which of the above statement is/are correct?