Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Asphyxiation Bronchitis Cancer Corrosion Asphyxiation Bronchitis Cancer Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself Protection of operating personnel Path control of noise All of these Suppression of noise at the source itself Protection of operating personnel Path control of noise All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 0.1 25 100 1000 0.1 25 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Low amount of excess combustion air Hydrocarbon fuel Large quantity of excess combustion air Pulverised coal as fuel Low amount of excess combustion air Hydrocarbon fuel Large quantity of excess combustion air Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 100 ppm 50 ppm 300 ppm 700 ppm 100 ppm 50 ppm 300 ppm 700 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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