Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 3 to 6 0.1 to 1 15 to 20 10 to 15 3 to 6 0.1 to 1 15 to 20 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 Thermosphere Stratosphere Mesosphere Troposphere Thermosphere Stratosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In sedimentation tanks equipped with mechanical scrapper In clarifiers By chemical coagulation In vacuum filter In sedimentation tanks equipped with mechanical scrapper In clarifiers By chemical coagulation In vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 120 25 80 50 120 25 80 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Detergent Any of these Nitric acid making Nitrogenous fertiliser Detergent Any of these Nitric acid making Nitrogenous fertiliser ANSWER DOWNLOAD EXAMIANS APP
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