Chemical Environmental Engineering

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?

Byadmin March 11, 2019August 29, 2021

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?

A. Phosgene
B. Methyl isocyanate (MIC)
C. Carbon monoxide
D. Sulphur dioxide

Chemical Environmental Engineering

A standard test for determination of hardness in water is termed as ______________ test?

A standard test for determination of hardness in water is termed as ______________ test?

A. EDTA
B. Electometric
C. Total count
D. Presumptive

Read More A standard test for determination of hardness in water is termed as ______________ test?
Chemical Environmental Engineering

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

A. Ionosphere
B. Troposphere
C. Stratosphere
D. None of these

Read More The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?
Chemical Environmental Engineering

Main pollutant present in automobile exhaust is_________________?

Main pollutant present in automobile exhaust is_________________?

A. CO
B. CO2
C. NO
D. Hydrocarbons

Read More Main pollutant present in automobile exhaust is_________________?
Chemical Environmental Engineering

TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?

TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?

A. 0.1
B. 25
C. 100
D. 1000

Read More TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?
Chemical Environmental Engineering

Noise level in a quiet private business office is about _____________ decibels?

Noise level in a quiet private business office is about _____________ decibels?

A. 25
B. 50
C. 70
D. 85

Read More Noise level in a quiet private business office is about _____________ decibels?
Chemical Environmental Engineering

Smog is ______________________?

Smog is ______________________?

A. Nothing but black smoke
B. A combination of smoke and fog
C. A liquid particle resulting from vapor condensation
D. A solid particle e.g. fly-ash

Read More Smog is ______________________?

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