Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? None of these Dust & mists Photochemical smog & soot Smoke & fumes None of these Dust & mists Photochemical smog & soot Smoke & fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Silica Dissolved oxygen Turbidity Phenol Silica Dissolved oxygen Turbidity Phenol ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Highly acidic Alkaline Neutral Acidic Highly acidic Alkaline Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Of increased diameter With greater number of blades Both A & B Neither A nor B Of increased diameter With greater number of blades Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Aerosols Aggregates Smoke Grit Aerosols Aggregates Smoke ANSWER DOWNLOAD EXAMIANS APP
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