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Environmental Engineering in CE

Environmental Engineering in CE
Growth of __________ is promoted by the presence of manganese in water.

Micro-organisms
Algae
Mosquitoes
Files

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Environmental Engineering in CE
Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water.

Total solids
All of these
Turbidity
Color (Hazen)

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Environmental Engineering in CE
Thermal pollution due to excessive heat & temperature in the working place causes

High breathing rate
Reduction in working efficiency of manpower
Fatigue
All of these

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Environmental Engineering in CE
Higher concentration of nitrogen dioxide in atmospheric air causes

Cancer
Corrosion
Bronchitis
Asphyxiation

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Environmental Engineering in CE
In water chemical treatment plant, use of chloramines ensures

Disinfection
Weed control in reservoirs
Taste & odour control
Removal of permanent hardness

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Environmental Engineering in CE
TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm.

0.1
1000
25
100

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MORE MCQ ON Environmental Engineering in CE

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