Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Disinfection Removal of permanent hardness Taste & odour control Weed control in reservoirs Disinfection Removal of permanent hardness Taste & odour control ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Anaerobic decomposition Aerobic decomposition Separation None of these Anaerobic decomposition Aerobic decomposition Separation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 10-100 100-200 100-1000 10-100 100-200 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 10 90 115 45 10 90 115 45 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Discoloration of bathroom fixtures Reduction in its dissolved oxygen content None of these Temporary hardness Discoloration of bathroom fixtures Reduction in its dissolved oxygen content None of these Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
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