Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Unity Same for all wavelengths Zero Different for all wavelengths Unity Same for all wavelengths Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Three pass, fixed tube sheet None of these Single pass, fixed tube sheet U-tube Three pass, fixed tube sheet None of these Single pass, fixed tube sheet U-tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution In independent of pressure Increases rapidly with temperature rise Both B and C Decreases rapidly with temperature rise In independent of pressure Increases rapidly with temperature rise Both B and C Decreases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = 0.8hL Ha= 5hL Ha = 2hL Ha = hL Ha = 0.8hL Ha= 5hL Ha = 2hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Long tube High pressure Falling film None of these Long tube High pressure Falling film None of these ANSWER DOWNLOAD EXAMIANS APP