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CHEMICAL ENGINEERING

Low grade phosphate rock can be used in electrical furnace, because

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: Low grade phosphate rock can be used in electrical furnace, because
[A].

of the better CaO/SiO2 balance for slag formation.

[B].

CaO content is less.

[C].

it is cheap.

[D].

it produces low cost product.

Answer: Option A

Explanation:

No answer description available for this question.

Low grade phosphate rock can be used in electrical furnace, because Read More »

CHEMICAL ENGINEERING, Fertiliser Technology

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.
[A].

N2

[B].

KNO3

[C].

NO2

[D].

NHO3

Answer: Option A

Explanation:

No answer description available for this question.

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content. Read More »

CHEMICAL ENGINEERING, Fertiliser Technology

In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

CHEMICAL ENGINEERING, Environmental Engineering /
Question: In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
[A].

t = 15 – 0.0065h

[B].

t = 15 + 0.0065h

[C].

t = 0.0035h -15

[D].

t = 15 – 0.0035h

Answer: Option A

Explanation:

No answer description available for this question.

In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) Read More »

CHEMICAL ENGINEERING, Environmental Engineering

In the context of the chemical process industries, the term BOD is normally associated with the

CHEMICAL ENGINEERING, Environmental Engineering /
Question: In the context of the chemical process industries, the term BOD is normally associated with the
[A].

characterisation of solid wastes.

[B].

organic concentration in gaseous effluents.

[C].

characterisation of liquid effluents.

[D].

characterisation of boiler feed water.

Answer: Option C

Explanation:

No answer description available for this question.

In the context of the chemical process industries, the term BOD is normally associated with the Read More »

CHEMICAL ENGINEERING, Environmental Engineering

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called

CHEMICAL ENGINEERING, Environmental Engineering /
Question: A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called
[A].

cesspool

[B].

lagoon

[C].

skimming mill

[D].

septic tank

Answer: Option D

Explanation:

No answer description available for this question.

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Read More »

CHEMICAL ENGINEERING, Environmental Engineering

Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools).

CHEMICAL ENGINEERING, Environmental Engineering /
Question: Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools).
[A].

1-2

[B].

5-10

[C].

15-20

[D].

25-30

Answer: Option B

Explanation:

No answer description available for this question.

Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). Read More »

CHEMICAL ENGINEERING, Environmental Engineering

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of

CHEMICAL ENGINEERING, Environmental Engineering /
Question: Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of
[A].

CO2

[B].

SO2

[C].

hydrocarbons

[D].

CFC (chloro fluoro carbon)

Answer: Option D

Explanation:

No answer description available for this question.

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of Read More »

CHEMICAL ENGINEERING, Environmental Engineering