Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Photochemical smog & soot None of these Smoke & fumes Dust & mists Photochemical smog & soot None of these Smoke & fumes Dust & mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Sulphur Phosphorous Calcium Fluorine Sulphur Phosphorous Calcium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 6000 to 9000 3000 to 6000 10000 to 100000 1000 to 2000 6000 to 9000 3000 to 6000 10000 to 100000 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Proportional to the viscosity & density of the gas Both B and C Proportional to the pressure of the gas Inversely proportional to viscosity of gas Proportional to the viscosity & density of the gas Both B and C Proportional to the pressure of the gas Inversely proportional to viscosity of gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Boundary layer separation Fluctuation in liquid flow Pipe vibrations Cavitation Boundary layer separation Fluctuation in liquid flow Pipe vibrations Cavitation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 120 170 200 140 120 170 200 140 ANSWER DOWNLOAD EXAMIANS APP
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