Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength Equal brightness in all directions Zero reflectivity Grey appearance to the eye Emissivity independent of wavelength ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A psychrometer does not measure the __________ temperature of moist air. Wet bulb Dry bulb Dew point None of these Wet bulb Dry bulb Dew point None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Thermal efficiency of an internal combustion engine is around __________ percent. 35 8 80 65 35 8 80 65 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Beryllia Zirconia Alumina Magnesia Beryllia Zirconia Alumina Magnesia ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Mercury Sodium Calcium Magnesium Mercury Sodium Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? Glass Steel Brass Rubber Glass Steel Brass Rubber ANSWER DOWNLOAD EXAMIANS APP
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