Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on air side double pipe type with fin on steam side shell and tube type plate type double pipe type with fin on air side double pipe type with fin on steam side shell and tube type plate type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface of an evaporator depends on the Liquid depth over the heating surface Pressure difference between the steam chest and the vapor space above the boiling liquid All of these Solution being evaporated Liquid depth over the heating surface Pressure difference between the steam chest and the vapor space above the boiling liquid All of these Solution being evaporated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Lower pressure drop through the exchanger is desired Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Condensate is corrosive in nature Lower pressure drop through the exchanger is desired Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Condensate is corrosive in nature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Decreases Remains unaffected Increases exponentially Increases Decreases Remains unaffected Increases exponentially Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure None of these High specific heat High proportion of air space Dense structure None of these High specific heat High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation emitter absorber Both emitter & absorber none of the listed here emitter absorber Both emitter & absorber none of the listed here ANSWER DOWNLOAD EXAMIANS APP