Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.2 0.002 1.2 4.8 0.2 0.002 1.2 4.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 1000 400 100 4000 1000 400 100 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Carbon monoxide Ammonia Acetylene Hydrogen Carbon monoxide Ammonia Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December April February July December April February July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Turbidity Disease Bad taste & colour Bad odour Turbidity Disease Bad taste & colour Bad odour ANSWER DOWNLOAD EXAMIANS APP