Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Cesspool Skimming mill Lagoon Septic tank Cesspool Skimming mill Lagoon Septic tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Respiratory disease (e.g. asthma) Damage to building materials like marble Retardation in crop growth Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Damage to building materials like marble Retardation in crop growth Asphyxiation (suffocation) leading to death ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10² 10⁹ 10¹⁵ 10⁵ 10² 10⁹ 10¹⁵ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes 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. 3 70 100 30 3 70 100 30 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these ANSWER DOWNLOAD EXAMIANS APP
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