Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Conduction Natural convection Radiation Forced convection Conduction Natural convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Supersaturated All of these Saturated Undersaturated Supersaturated All of these Saturated Undersaturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to decrease goes through a minimum continues to increase goes through a maximum. continues to decrease goes through a minimum continues to increase goes through a maximum. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 0.5 1 2 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that NNu α f Nst α NRe Nst α f NRe α f NNu α f Nst α NRe Nst α f NRe α f 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 Painting the surface black 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) ANSWER DOWNLOAD EXAMIANS APP
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