Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Anaerobic decomposition Separation Aerobic decomposition None of these Anaerobic decomposition Separation Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Electrostatic force on Diffusion of Gravitational force on Centrifugal force on Electrostatic force on Diffusion of Gravitational force on Centrifugal force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Deaeration of feed water Enhancing pH of feed water by adding alkali All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Deaeration of feed water Enhancing pH of feed water by adding alkali All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 5 0.001 0.1 1 5 0.001 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Nitrogenous fertiliser Detergent Any of these Nitric acid making Nitrogenous fertiliser Detergent Any of these Nitric acid making ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 145 125 80 100 145 125 80 ANSWER DOWNLOAD EXAMIANS APP