Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 0.1 0.001 5 1 0.1 0.001 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Sterilisation Aeration None of these Disinfection Sterilisation Aeration None of these Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of boiler feed water Characterisation of solid wastes Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of solid wastes Characterisation of liquid effluents Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 100 70 3 30 100 70 3 30 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Foaming Undesirable plant growth Turbidity Odour nuisances Foaming Undesirable plant growth Turbidity ANSWER DOWNLOAD EXAMIANS APP
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