Question: Main pollutants released from petroleum refineries is
[A].CO, SO2 & H2S.
CO2, NO & SO3.
CO2, H2S & NO2.
SO3, NO2 & CO2.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Chemical Engineering
Main pollutants released from iron & steel industry is
Question: Main pollutants released from iron & steel industry is
[A].CO, CO2 & SO2.
H2S, NO & SO3.
CO2, H2S & NO2.
SO3, NO2 & CO2.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Main pollutant present in automobile exhaust is
Question: Main pollutant present in automobile exhaust is
[A].CO
CO2
NO
hydrocarbons
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Which of the following pollutants is not emitted during volcanic eruptions ?
Question: Which of the following pollutants is not emitted during volcanic eruptions ?
[A].SO2
H2S
CO
hydrocarbons
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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
30 to 70 kV AC
230 V AC
230 V DC
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Aerosols present in atmospheric air may be
Question: Aerosols present in atmospheric air may be
[A].positively charged.
negatively charged.
neutral.
combination of all (a), (b) & (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Operating principle of cyclone separator is based on the action of __________ dust particles.
Question: Operating principle of cyclone separator is based on the action of __________ dust particles.
[A].diffusion of
centrifugal force on
gravitational force on
electrostatic force on
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
80% less than 200 mesh size particles are called
Question: 80% less than 200 mesh size particles are called
[A].smoke
powder
grit
aggregates
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Carbonaceous particles having size less than 1 μm are called
Question: Carbonaceous particles having size less than 1 μm are called
[A].grit
aggregates
aerosols
smoke
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called
Question: Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called
[A].grit
dust
powder
smoke
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.