Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 0.5 1097 357 17 0.5 1097 357 17 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 125 105 145 85 125 105 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes Algae Files ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Hydrogen Acetylene Carbon monoxide Petrol vapor Hydrogen Acetylene 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) B 2B 4B 8B B 2B 4B 8B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? I-131 Ra-226 Au-198 Sr-90 I-131 Ra-226 Au-198 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
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