Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Total solids All of these Turbidity Color (Hazen) Total solids All of these Turbidity Color (Hazen) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Au-198 I-131 Ra-226 Sr-90 Au-198 I-131 Ra-226 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis None of these Bronchitis Silicosis Pneumoconiosis None of these Bronchitis Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10¹⁵ 10⁵ 10² 10⁹ 10¹⁵ 10⁵ 10² 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Sedimentation Biological oxidation Skimming off Chlorination Sedimentation Biological oxidation Skimming off 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 Proportional to the pressure of the gas Inversely proportional to viscosity of gas Both B and C Proportional to the viscosity & density of the gas Proportional to the pressure of the gas Inversely proportional to viscosity of gas Both B and C Proportional to the viscosity & density of the gas ANSWER DOWNLOAD EXAMIANS APP
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