Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using None of these Lagging of noisy duct Accoustical absorbent Mufflers (silencers) None of these Lagging of noisy duct Accoustical absorbent Mufflers (silencers) 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 viscosity & density of the gas Proportional to the pressure of the gas Both B and C Inversely proportional to viscosity of gas Proportional to the viscosity & density of the gas Proportional to the pressure of the gas Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Highly acidic Alkaline Acidic Neutral Highly acidic Alkaline Acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 5000 50 2000 5 5000 50 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
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