Heat Transfer The absorptivity of a body is equal to its emissivity none of the listed here at a particular temperature for circular bodies under thermal equilibrium none of the listed here at a particular temperature for circular bodies under thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Cube Equal for all the three Sphere Cylinder Cube Equal for all the three Sphere Cylinder ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation None of the listed here Both total & monochromatic monochromatic total None of the listed here Both total & monochromatic monochromatic total ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Very thin Corrosive Viscous Foaming Very thin Corrosive Viscous Foaming ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Both B & C Grashoff Nusselt Reynolds Both B & C Grashoff Nusselt Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Both A and B Wall or skin friction Form friction Turbulent flow Both A and B Wall or skin friction Form friction Turbulent flow ANSWER DOWNLOAD EXAMIANS APP