Heat and Mass Transfer The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called Stefan's law Newton's law of cooling Newton's law of heating First law of thermodynamics Stefan's law Newton's law of cooling Newton's law of heating First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat is the heat required to Increase the temperature of a liquid of vapour Convert water into steam and superheat it Change vapour into liquid Change liquid into vapour Increase the temperature of a liquid of vapour Convert water into steam and superheat it Change vapour into liquid Change liquid into vapour ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Heat received by a person from fireplace Cooling of parts in furnace Heating of building Blast furnace Heat received by a person from fireplace Cooling of parts in furnace Heating of building Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer takes place as per First law of thermodynamic Kirchoff's law Second law of the thermodynamics Zeroth law of thermodynamics First law of thermodynamic Kirchoff's law Second law of the thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Lower Depends upon the shape of body Same Higher Lower Depends upon the shape of body Same Higher ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of heat flow through a body by conduction is Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body Directly proportional to the surface area of the body All of these Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body Directly proportional to the surface area of the body All of these ANSWER DOWNLOAD EXAMIANS APP
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