Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 100 80 145 125 100 80 145 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. Low amount of excess combustion air Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel Low amount of excess combustion air Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Grit chamber Skimming tank Detritus tank Trickling filter Grit chamber Skimming tank Detritus tank Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 25 0.1 1 5 25 0.1 1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Tintometer Electro-chemical cell Colorimeter Turbidimeter Tintometer Electro-chemical cell Colorimeter Turbidimeter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Skin disorder Bronchitis Cancer Bone disease Skin disorder Bronchitis Cancer Bone disease ANSWER DOWNLOAD EXAMIANS APP
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