Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on Re, Gr Re, Pr mainly Gr none of the listed here Re, Gr Re, Pr mainly Gr none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Gr Re and Pr Re and Sc Pr and Gr Re and Gr Re and Pr Re and Sc Pr and Gr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer To reduce the tube side pressure drop for the same flow rate, the heat exchanger recomended is 1-2 heat exchanger 1-1 heat exchanger 2-4 heat exchanger 3-2 heat exchanger 1-2 heat exchanger 1-1 heat exchanger 2-4 heat exchanger 3-2 heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, floating head is used for Low pressure drop Less corrosion of tubes High heat transfer co-efficient Large temperature differentials Low pressure drop Less corrosion of tubes High heat transfer co-efficient Large temperature differentials 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 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 Roughening the surface Giving the surface a mirror finish ANSWER DOWNLOAD EXAMIANS APP
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