Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 4 to 5 6.5 to 8 13 to 14 1 to 1.5 4 to 5 6.5 to 8 13 to 14 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Pipe vibrations Boundary layer separation Fluctuation in liquid flow Cavitation Pipe vibrations Boundary layer separation Fluctuation in liquid flow Cavitation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Bag filter Dust catcher Wet scrubber Electrostatic precipitators Bag filter Dust catcher Wet scrubber Electrostatic precipitators ANSWER DOWNLOAD EXAMIANS APP
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