Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Reduction in its dissolved oxygen content Temporary hardness None of these Discoloration of bathroom fixtures Reduction in its dissolved oxygen content Temporary hardness None of these Discoloration of bathroom fixtures ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 500 3000 (i.e. 0.3%) 1000 50 500 3000 (i.e. 0.3%) 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? All of these Chlorofluro carbons (CFC) Methane Nitrous oxide All of these Chlorofluro carbons (CFC) Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Shortness of breath Asphyxiation (suffocation) All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) All of these Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Hydrocarbon fuel Low amount of excess combustion air Pulverised coal as fuel Large quantity of excess combustion air Hydrocarbon fuel Low amount of excess combustion air Pulverised coal as fuel Large quantity of excess combustion air ANSWER DOWNLOAD EXAMIANS APP
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