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Environmental Engineering in CE

Environmental Engineering in CE
80% less than 200 mesh size particles are called

Powder
Grit
Smoke
Aggregates

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Environmental Engineering in CE
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes

Shortness of breath
Tuberculosis
Asphyxiation (suffocation)
All of these

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Environmental Engineering in CE
Global warming may result in

Cyclone
Flood
Decrease in food productivity
All of these

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Environmental Engineering in CE
In water treatment plant, zeolite process is used to remove the __________ of water.

Alkalinity
Acidity
Hardness
Iron & zinc

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Environmental Engineering in CE
Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c.

7
82
1
19

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Environmental Engineering in CE
Nitrogen oxides (NOx) is not produced in the __________ industry.

Nitrogenous fertiliser
Any of these
Nitric acid making
Detergent

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MORE MCQ ON Environmental Engineering in CE

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