Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Micro-organisms Files Mosquitoes Algae Micro-organisms Files Mosquitoes Algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SOâ‚‚ in air is __________ ppm. 5 500 1000 2000 5 500 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pathological incineration Pyrolysis High temperature incineration Underground burial in concrete containers Pathological incineration Pyrolysis High temperature incineration Underground burial in concrete containers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 8B B 2B 4B 8B B 2B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Arsenic Lead Aluminium Mercury Arsenic Lead Aluminium Mercury ANSWER DOWNLOAD EXAMIANS APP