Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) KA/x X/KA A/Kx K/Ax KA/x X/KA A/Kx K/Ax ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 43832 43834 4 2 43832 43834 4 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? < 1 None of these > 1 1 < 1 None of these > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted When both the steam and the tube are clean None of these An oily surface Only in presence of air When both the steam and the tube are clean None of these An oily surface Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the High heat transfer co-efficient Less corrosion problems Low pressure drop Flexibility possible in the baffle arrangement High heat transfer co-efficient Less corrosion problems Low pressure drop Flexibility possible in the baffle arrangement ANSWER DOWNLOAD EXAMIANS APP
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