Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions Zero reflectivity Emissivity independent of wavelength Grey appearance to the eye Equal brightness in all directions Zero reflectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 150 400 300 200 150 400 300 200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Magnesium Sodium Calcium Mercury Magnesium Sodium Calcium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A psychrometer does not measure the __________ temperature of moist air. Dew point None of these Wet bulb Dry bulb Dew point None of these Wet bulb Dry bulb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The weight of a body at the centre of the earth is Infinite None of these Zero Same as on the surface of the earth Infinite None of these Zero Same as on the surface of the earth ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 'Flare tower' used in industry is meant for Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases None of these Absorbing the pollutant gases from the furnace exhaust Venting off (after burning) the excess inflammable/toxic gases at high pressure Cooling of furnace exhaust gases None of these Absorbing the pollutant gases from the furnace exhaust ANSWER DOWNLOAD EXAMIANS APP
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