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) 90 10 800 750 90 10 800 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Floating solids Dissolved solids Dissolved gases Suspended inorganic matter Floating solids Dissolved solids Dissolved gases Suspended inorganic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 1.2 0.2 0.002 4.8 1.2 0.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A solid particle e.g. flyash A liquid particle resulting from vapor condensation Nothing but black smoke A combination of smoke and fog A solid particle e.g. flyash A liquid particle resulting from vapor condensation Nothing but black smoke A combination of smoke and fog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP