Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 2000 5000 50 5 2000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes asphyxia Causes increase in sea level Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes asphyxia Causes increase in sea level ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 1000 100 20 1 1000 100 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 1000 5000 50 2000 1000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? None of these Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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