Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.002 4.8 0.2 1.2 0.002 4.8 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 90 10 45 115 90 10 45 115 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 20 750 1500 230 20 750 1500 230 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 200 120 140 170 200 120 140 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Flood Cyclone Decrease in food productivity All of these Flood Cyclone Decrease in food productivity All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Respiratory disease Tooth decay Dental cavity Fluorosis Respiratory disease Tooth decay Dental cavity Fluorosis ANSWER DOWNLOAD EXAMIANS APP
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