Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 0.002 1.2 0.2 4.8 0.002 1.2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Diffusion of Centrifugal force on Electrostatic force on Gravitational force on Diffusion of Centrifugal force on Electrostatic force on Gravitational force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is Brine Mercury None of these Phosphate Brine Mercury None of these Phosphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 2 to 4 24 to 32 8 to 12 16 to 20 2 to 4 24 to 32 8 to 12 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 + 0.0065h t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 + 0.0065h t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Ionosphere Global warming Green house Atmospheric effect Ionosphere Global warming Green house Atmospheric effect ANSWER DOWNLOAD EXAMIANS APP
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