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Environmental Engineering in CE

Environmental Engineering in CE
A man exposed to excessive noise level in the working environment may suffer from

Rupture of ear drum
All of these
Nervousness & fatigue
Hearing loss

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Environmental Engineering in CE
H₂S present in gaseous stream can be removed by adsorption on

Active carbon
Bog iron
Silica gel
Limestone powder

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Environmental Engineering in CE
Which of the following is an adsorbant for removal of nitrogen oxides from gas/air?

Pulverised limestone
Silica gel
Active carbon
Bog iron (iron oxide)

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Environmental Engineering in CE
The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the

Both B and C
Catalytic conversion
Green house effect
Global warming

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Environmental Engineering in CE
Presence of excess flourine in water causes

Tooth decay
Fluorosis
Respiratory disease
Dental cavity

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Environmental Engineering in CE
Aerosols present in atmospheric air may be

Combination of all A, B & C
Negatively charged
Neutral
Positively charged

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