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. 10⁵ 10⁹ 10¹⁵ 10² 10⁵ 10⁹ 10¹⁵ 10² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Proportional to the pressure of the gas Inversely proportional to viscosity of gas Proportional to the viscosity & density of the gas Both B and C Proportional to the pressure of the gas Inversely proportional to viscosity of gas Proportional to the viscosity & density of the gas Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 85 125 105 145 85 125 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are None of these Anerobic Parasitic Saprophytic None of these Anerobic Parasitic Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Mercury Lead Fluoride Arsenic Mercury Lead Fluoride Arsenic ANSWER DOWNLOAD EXAMIANS APP
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