Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Either A, B or C Logarithmic Geometric Arithmetic Either A, B or C Logarithmic Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Economiser None of these Ceramic recuperator Regenerator Economiser None of these Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Thermal conductivity Thermal diffusivity Heat transfer co-efficient Stefan-Boltzman constant Thermal conductivity Thermal diffusivity Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube diameter Tube pitch Tube layout No. of baffles Tube diameter Tube pitch Tube layout No. of baffles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be Initially decreases and remains constant thereafter Less than 45°C More than 45°C Equal to 45°C Initially decreases and remains constant thereafter Less than 45°C More than 45°C Equal to 45°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Liquid metal Water Lube oil Aqueous solution Liquid metal Water Lube oil Aqueous solution ANSWER DOWNLOAD EXAMIANS APP
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