Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Choride Calcium Sulphate Carbonate Choride Calcium Sulphate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 3000 (i.e. 0.3%) 50 500 1000 3000 (i.e. 0.3%) 50 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 1 500 50 5 1 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of Nā in contaminated air at which it acts as a natural asphyxant is ā„ __________ percent. 84 80 88 92 84 80 88 92 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Cyclone separator Bag filter Electrostatic precipitator Gravity settling chamber Cyclone separator Bag filter Electrostatic precipitator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS