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Environmental Engineering in CE

Environmental Engineering in CE
Hydrogen ion concentration in distilled water is

10⁻⁷
7 x 10⁻⁷
10⁷
7 x 10⁷

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Environmental Engineering in CE
The widest explosive limit is of __________ , thereby making it the most explosive gas.

Carbon monoxide
Petrol vapor
Acetylene
Hydrogen

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Environmental Engineering in CE
Aerosols present in atmospheric air may be

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

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Environmental Engineering in CE
Reinglemann chart is used for the measurement of the

Combustibles present in automobile exhaust
Smoke density from a chimey
Exhaust gas density
Flue gas temperature

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Environmental Engineering in CE
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.

Organic
Radioactive
None of these
Inorganic

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Environmental Engineering in CE
Persons working in cement plants and limestone quarries are more prone to disease like

Flourosis (bone disease)
Cancer
Silicosis
Asthma

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MORE MCQ ON Environmental Engineering in CE

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