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Environmental Engineering in CE

Environmental Engineering in CE
Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Mercury
Hydrogen sulphide
Asbestos
Cadmium

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Environmental Engineering in CE
Foul odour and bad taste of water is removed by treating with

Activated carbon
Bleaching powder
Alum
Copper sulphate

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Environmental Engineering in CE
Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called

Dust
Grit
Smoke
Powder

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Environmental Engineering in CE
Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr.

4000 to 5000
10 to 20
100 to 200
1500 to 2500

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Environmental Engineering in CE
During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum?

Idle running
Cruising
Deaccelaration
Acceleration

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Environmental Engineering in CE
Out of the following, TLV of __________ is maximum (about 500 ppm).

Acetaldehyde
Toluene
Carbon dioxide
Carbon disulphide

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MORE MCQ ON Environmental Engineering in CE

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