Heat Transfer LMTD can't be used as such without a correction factor for the All of these Baffled heat exchanger Multipass heat exchanger Condensation of mixed vapour in a condenser All of these Baffled heat exchanger Multipass heat exchanger Condensation of mixed vapour in a condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers use metal fins of low thermal conductivity are used for smaller heat load give larger area per tube facilitate very large temperature drop through tube wall use metal fins of low thermal conductivity are used for smaller heat load give larger area per tube facilitate very large temperature drop through tube wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Turbulent Creeping Laminar Transition region Turbulent Creeping Laminar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Non-isothermal Both A and B Isothermal Neither A and B Non-isothermal Both A and B Isothermal Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 555 0.15 0.55 55.5 555 0.15 0.55 55.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Resistance Current Voltage None of these Resistance Current Voltage None of these ANSWER DOWNLOAD EXAMIANS APP