Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. None of these Elastic Inertial Viscous None of these Elastic Inertial Viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Roughening the surface Giving the surface a mirror finish Painting the surface white (with aluminium paint) Painting the surface black Roughening the surface Giving the surface a mirror finish Painting the surface white (with aluminium paint) Painting the surface black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of conductance in SI unit is W/°K W/m W/m² W/m°K W/°K W/m W/m² W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Prandtl Nusselt Grashoff Stanton Prandtl Nusselt Grashoff Stanton ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the No. of baffles Tube diameter Tube pitch Tube layout No. of baffles Tube diameter Tube pitch Tube layout ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a multipass shell and tube heat exchanger, the LMTD correction factor is always 1 Between 1 & 2 > 1 < 1 1 Between 1 & 2 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
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