Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 800 90 750 10 800 90 750 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A combination of smoke and fog A liquid particle resulting from vapor condensation A solid particle e.g. flyash Nothing but black smoke A combination of smoke and fog A liquid particle resulting from vapor condensation A solid particle e.g. flyash Nothing but black smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Anaemia Blood poisoning All of these Nervous system disorder Anaemia Blood poisoning All of these Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Dust Smoke Grit Powder Dust Smoke Grit Powder ANSWER DOWNLOAD EXAMIANS APP
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