A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called________________?

Byadmin January 17, 2019August 13, 2021

A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called________________?

A. house sewer
B. lateral sewer
C. main sewer
D. submain sewer

CHEMICAL ENGINEERING | Environmental Engineering

Out of the following, TLV of __________ is maximum (about 500 ppm).

Question: Out of the following, TLV of __________ is maximum (about 500 ppm).
[A].

carbon dioxide
[B].
toluene
[C].
carbon disulphide
[D].
acetaldehyde

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, TLV of __________ is maximum (about 500 ppm).
CHEMICAL ENGINEERING | Environmental Engineering

Ionisation potential employed in the industrial electrostatic precipitator is of the order of

Question: Ionisation potential employed in the industrial electrostatic precipitator is of the order of
[A].

30 to 70 kV DC
[B].
30 to 70 kV AC
[C].
230 V AC
[D].
230 V DC

Answer: Option A

Explanation:

No answer description available for this question.

Read More Ionisation potential employed in the industrial electrostatic precipitator is of the order of
CHEMICAL ENGINEERING | Environmental Engineering

Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the

Question: Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
[A].

forestation
[B].
rain
[C].
green house effect
[D].
vegetation

Answer: Option C

Explanation:

No answer description available for this question.

Read More Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
CHEMICAL ENGINEERING | Environmental Engineering

Color test of water is done with an instrument called

Question: Color test of water is done with an instrument called
[A].

tintometer
[B].
colorimeter
[C].
electro-chemical cell
[D].
turbidimeter

Answer: Option A

Explanation:

No answer description available for this question.

Read More Color test of water is done with an instrument called
CHEMICAL ENGINEERING | Environmental Engineering

__________ substances present in sewage are removed in grit chamber during sewage treatment.

Question: __________ substances present in sewage are removed in grit chamber during sewage treatment.
[A].

Organic
[B].
Fatty
[C].
Inorganic
[D].
Dissolved

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ substances present in sewage are removed in grit chamber during sewage treatment.
CHEMICAL ENGINEERING | Environmental Engineering

Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres.

Question: Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres.
[A].

100
[B].
1000
[C].
400
[D].
4000

Answer: Option B

Explanation:

No answer description available for this question.

Read More Hazardous/polluting chemical industries should have an ‘exclusion zone’ with a green belt and general public access prohibited around it, covering a radius of ____ metres.

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