Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Neutral Combination of all A, B & C Negatively charged Positively charged Neutral Combination of all A, B & C Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Overall height All of these Inlet gas velocity Diameter Overall height All of these Inlet gas velocity Diameter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Preheating of feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Reduction in hardness, silica & alumina in feed water Preheating of feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Reduction in hardness, silica & alumina in feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Silicosis Respiratory disease (e.g., asthma) Reduced crop yield Cancer Silicosis Respiratory disease (e.g., asthma) Reduced crop yield Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Neither A nor B Shear forces Both A & B Reynold stresses Neither A nor B Shear forces Both A & B Reynold stresses ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP