Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Iron Bromine Iodine Zinc Iron Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the None of these Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Methyl iso-cynate (MIC) Phosgene Carbon monoxide Sulphur dioxide Methyl iso-cynate (MIC) Phosgene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 8B 2B B 4B 8B 2B B 4B 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 Large quantity of excess combustion air Low amount of excess combustion air Pulverised coal as fuel Hydrocarbon fuel Large quantity of excess combustion air Low amount of excess combustion air Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
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