Environmental Engineering in CE The pH value of potable water should be between 13 to 14 6.5 to 8 4 to 5 1 to 1.5 13 to 14 6.5 to 8 4 to 5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 200 120 170 140 200 120 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Dust catcher (gravity type) Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) Hollow wet scrubber Bag filter Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Gravitational force on Centrifugal force on Diffusion of Electrostatic force on Gravitational force on Centrifugal force on Diffusion of Electrostatic force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Sludge disposal Biological treatment of wastes None of these Reduction of excessive flow in sewers Sludge disposal Biological treatment of wastes None of these Reduction of excessive flow in sewers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Rain Vegetation Green house effect Forestation Rain Vegetation Green house effect Forestation ANSWER DOWNLOAD EXAMIANS APP