Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 1 5 25 0.1 1 5 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Overall height Inlet gas velocity Diameter All of these Overall height Inlet gas velocity Diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 1 3 20 7 1 3 20 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Copper sulphate Activated carbon Alum Bleaching powder Copper sulphate Activated carbon Alum Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 70 25 50 85 70 25 50 85 ANSWER DOWNLOAD EXAMIANS APP
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