Heat Transfer The units of resistance to heat transfer is W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ 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 Cylinder Equal for all the three Sphere Cube Cylinder Equal for all the three Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Planck's distribution law is valid for __________ bodies white black coloured all of the listed here white black coloured all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 5-50 0.38-0.78 100-1000 0.5-50 5-50 0.38-0.78 100-1000 0.5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the Tube diameter & pitch None of these Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter Tube diameter & pitch None of these Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Nusselt Grashoff Prandtl Stanton Nusselt Grashoff Prandtl Stanton ANSWER DOWNLOAD EXAMIANS APP
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