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Environmental Engineering in CE

Environmental Engineering in CE
Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

Blood poisoning
All of these
Anaemia
Nervous system disorder

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Environmental Engineering in CE
Ethanolamine is an absorbant used for the removal of __________ from air/gas.

H₂S
SO₂
Both B & C
HF

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Environmental Engineering in CE
__________ is the process of killing organism in water.

Disinfection
Sterilisation
Coagulation
Sedimentation

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Environmental Engineering in CE
Maximum permissible residual chlorine in treated water should be __________ mg/litre.

02 to 0.3
0.001 to 0.01
2 to 3
5 to 10

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Environmental Engineering in CE
Shouting by a man at his full voice corresponds to a voice level of about __________ decibels.

80
120
25
50

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

Bog iron
Limestone powder
Active carbon
Silica gel

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MORE MCQ ON Environmental Engineering in CE

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