Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Mud balls Expansion of filtering media Air binding Shrinkage of filtering media Mud balls Expansion of filtering media Air binding Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 1 0.1 5 0.001 1 0.1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Bleaching Aeration Chlorination Deoxidation Bleaching Aeration Chlorination Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Uranium ore Coal Lime Iron ore Uranium ore Coal Lime Iron ore 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 With greater number of blades Neither A nor B Of increased diameter Both A & B With greater number of blades Neither A nor B Of increased diameter Both A & B ANSWER DOWNLOAD EXAMIANS APP
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