Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α T⁴ Independent of T α 1/T αT α T⁴ Independent of T α 1/T ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m Kcal/hr.m.°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Zero Different for all wavelengths Same for all wavelengths Unity Zero Different for all wavelengths Same for all wavelengths Unity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Purge the condenser None of these Remove non-condensable gases Facilitate easy cleaning of tubes Purge the condenser None of these Remove non-condensable gases Facilitate easy cleaning of tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids remains same None of the listed here increases decreases remains same None of the listed here increases decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in m²°K/W m°K/W m²°K W/m²°K m²°K/W m°K/W m²°K W/m²°K ANSWER DOWNLOAD EXAMIANS APP