Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Mesosphere Troposphere Thermosphere Stratosphere Mesosphere Troposphere Thermosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 10 45 90 115 10 45 90 115 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 1 4 12 8 1 4 12 8 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 Depletion of dissolved oxygen Explosion hazards Fire hazards Persistent foam Depletion of dissolved oxygen Explosion hazards Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 1097 0.5 17 357 1097 0.5 17 357 ANSWER DOWNLOAD EXAMIANS APP
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