Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 120 20 60 90 120 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Anaerobic decomposition None of these Separation Aerobic decomposition Anaerobic decomposition None of these Separation Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Inversely proportional to viscosity of gas Proportional to the pressure of the gas Proportional to the viscosity & density of the gas Both B and C Inversely proportional to viscosity of gas Proportional to the pressure of the gas Proportional to the viscosity & density of the gas Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Stratosphere Thermosphere Mesosphere Trophosphere Stratosphere Thermosphere Mesosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Both B and C Catalytic conversion Green house effect Global warming Both B and C Catalytic conversion Green house effect ANSWER DOWNLOAD EXAMIANS APP
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