Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has 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 Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Consideration of the creep is the most important in case of the Piston of an I. C. engine Cycle chain Blades of gas turbine Flywheel of steam engine Piston of an I. C. engine Cycle chain Blades of gas turbine Flywheel of steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Throttle down the steam pressure Remove dissolved gases from feed-water Enhance feed water temperature Remove non-condensable gases from condenser Throttle down the steam pressure Remove dissolved gases from feed-water Enhance feed water temperature Remove non-condensable gases from condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Specific __________ is a dimensionless quantity. Humidity Weight Heat None of these Humidity Weight Heat None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Shaft/rotor speed is most accurately measured by a Speedometer Frequency counter Strobometer Tachometer Speedometer Frequency counter Strobometer Tachometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Low temperature encountered at high altitude Its high heat transfer rate Its low unit weight per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP