Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Stratosphere None of these Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Hydrogen Carbon monoxide Petrol vapor Acetylene Hydrogen Carbon monoxide Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Cyclone separator Scrubber Electrostatic precipitator Bag filter Cyclone separator Scrubber Electrostatic precipitator Bag filter 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 50 500 1 5 50 500 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iodine Bromine Zinc Iron Iodine Bromine Zinc Iron ANSWER DOWNLOAD EXAMIANS APP