Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Hertz Roentgen None of these Decibel Hertz Roentgen None of these Decibel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Persistent foam Explosion hazards Depletion of dissolved oxygen Fire hazards Persistent foam Explosion hazards Depletion of dissolved oxygen Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December April February July December April February July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Discoloration of bathroom fixtures Reduction in its dissolved oxygen content None of these Temporary hardness Discoloration of bathroom fixtures Reduction in its dissolved oxygen content None of these Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Carbon monoxide Acetylene Ammonia Hydrogen Carbon monoxide Acetylene Ammonia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Chlorofluro carbons (CFC) Methane All of these Nitrous oxide Chlorofluro carbons (CFC) Methane All of these Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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