Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Remains constant Increases Decreases May increase or decrease, depends on the vacuum Remains constant Increases Decreases May increase or decrease, depends on the vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by None of these Conduction Eddies current Convection None of these Conduction Eddies current Convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 81.25 35.5 48.25 43.75 81.25 35.5 48.25 43.75 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffles are provided in heat exchangers to increase the Heat transfer co-efficient Heat transfer area Heat transfer rate Fouling factor Heat transfer co-efficient Heat transfer area Heat transfer rate Fouling factor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space Lower maintenance cost None of these Less heating surface More space Lower maintenance cost None of these Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum ANSWER DOWNLOAD EXAMIANS APP
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