Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Aerosols Fumes Mists Smoke Aerosols Fumes Mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Silicosis None of these Pneumoconiosis Bronchitis Silicosis None of these Pneumoconiosis Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.01 1 0.3 0.1 0.01 1 0.3 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Tuberculosis Shortness of breath Asphyxiation (suffocation) All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) All of these 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 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 With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
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