Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 45 115 90 10 45 115 90 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Electrostatic precipitator Hydrocyclone Gravity settling chamber Packed scrubber Electrostatic precipitator Hydrocyclone Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 1 to 1.5 6.5 to 8 13 to 14 4 to 5 1 to 1.5 6.5 to 8 13 to 14 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is Nothing but black smoke A solid particle e.g. flyash A liquid particle resulting from vapor condensation A combination of smoke and fog Nothing but black smoke A solid particle e.g. flyash A liquid particle resulting from vapor condensation A combination of smoke and fog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Bag filter Cyclone separator Dust catcher (gravity type) Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) Hollow wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone ANSWER DOWNLOAD EXAMIANS APP
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