If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to________________?

Byadmin January 17, 2019June 4, 2021

If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to________________?

A. total alkalinity(Correct)
B. total hardness
C. total hardness – total alkalinity
D. non carbonate hardness

CHEMICAL ENGINEERING | Environmental Engineering

Noise level in a quiet private business office is about __________ decibels.

Question: Noise level in a quiet private business office is about __________ decibels.
[A].

25
[B].
50
[C].
70
[D].
85

Answer: Option B

Explanation:

No answer description available for this question.

Read More Noise level in a quiet private business office is about __________ decibels.
Environmental Engineering

The design discharge for the separate sewer system shall be taken as_____________?

The design discharge for the separate sewer system shall be taken as_____________?

A. equal to dry weather flow (DWF)
B. 2xDWF
C. 3 x DWF
D. 6xDWF(Correct)

Read More The design discharge for the separate sewer system shall be taken as_____________?
Environmental Engineering

The maximum discharge of a tube-well is about_________________?

The maximum discharge of a tube-well is about_________________?

A. 5 litres/sec
B. 50 litres/sec(Correct)
C. 500 litres/sec
D. 1000 litres/see

Read More The maximum discharge of a tube-well is about_________________?
CHEMICAL ENGINEERING | Environmental Engineering

Carbonaceous particles having size less than 1 μm are called

Question: Carbonaceous particles having size less than 1 μm are called
[A].

grit
[B].
aggregates
[C].
aerosols
[D].
smoke

Answer: Option D

Explanation:

No answer description available for this question.

Read More Carbonaceous particles having size less than 1 μm are called
CHEMICAL ENGINEERING | Environmental Engineering

Noise pollution level in a chemical plant is expressed in

Question: Noise pollution level in a chemical plant is expressed in
[A].

roentgen
[B].
decibel
[C].
hertz
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Noise pollution level in a chemical plant is expressed in
Environmental Engineering

The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is______________?

The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is______________?

A. 1
B. 100
C. infinite
D. zero

Read More The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is______________?

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