Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1 1000 20 100 1 1000 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 80 100 145 125 80 100 145 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 6.5 to 8 13 to 14 1 to 1.5 4 to 5 6.5 to 8 13 to 14 1 to 1.5 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs 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 10¹⁵ 10⁹ 10⁵ 10² 10¹⁵ 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Foul odour Bad taste Color Bacteria Foul odour Bad taste Color Bacteria ANSWER DOWNLOAD EXAMIANS APP
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