Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on steam side plate type shell and tube type double pipe type with fin on air side double pipe type with fin on steam side plate type shell and tube type double pipe type with fin on air side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Excessive corrosion Decrease in heat exchanger efficiency Its evaporation loss Uneconomic LMTD Excessive corrosion Decrease in heat exchanger efficiency Its evaporation loss Uneconomic LMTD ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Higher shell side heat transfer co-efficient Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop Higher shell side heat transfer co-efficient Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Total radiation only Monochromatic radiation only Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only Only volumes and not to surfaces Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Nitrogen Tar Iron Coal Nitrogen Tar Iron Coal ANSWER DOWNLOAD EXAMIANS APP
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