Chemical Environmental Engineering

Presence of bacteria in potable (drinking) water causes_________________?

Byadmin March 11, 2019August 29, 2021

Presence of bacteria in potable (drinking) water causes_________________?

A. Turbidity
B. Disease
C. Bad odour
D. Bad taste & colour

Chemical Environmental Engineering

Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?

Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?

A. Benzopyrene
B. Peroxyacetyl nitrate
C. Carbon monoxide
D. Sulphur dioxide

Read More Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?
Chemical Environmental Engineering

Green house effect is accentuated by________________?

Green house effect is accentuated by________________?

A. Deforestation
B. Rapid industrialisation
C. Increased transportation activity
D. All A., B. and C.

Read More Green house effect is accentuated by________________?
Chemical Environmental Engineering

The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?

The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?

A. Catalytic conversion
B. Green house effect
C. Global warming
D. Both B. and C.

Read More The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?
Chemical Environmental Engineering

Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called_________________?

Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called_________________?

A. Fumes
B. Mists
C. Smoke
D. Aerosols

Read More Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called_________________?
Chemical Environmental Engineering

Which is the most practical and economical method for removal of suspended solid matter from polluted water ?

Which is the most practical and economical method for removal of suspended solid matter from polluted water ?

A. Sedimentation
B. Skimming off
C. Chlorination
D. Biological oxidation

Read More Which is the most practical and economical method for removal of suspended solid matter from polluted water ?
Chemical Environmental Engineering

A shallow pond in which the sewage is retained and biologically treated is called__________________?

A shallow pond in which the sewage is retained and biologically treated is called__________________?

A. Oxidation
B. Imhoff tank
C. Lagoon
D. Skimming tank

Read More A shallow pond in which the sewage is retained and biologically treated is called__________________?

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