Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Uniformly distributed throughout the fluid In the central core of the fluid None of these Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid In the central core of the fluid None of these Mainly confined to a thin film of fluid near the surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces contaminated cooling clean and dirt free polished smooth clean contaminated cooling clean and dirt free polished smooth clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient Heat transfer area Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Ceramic recuperator Economiser None of these Regenerator Ceramic recuperator Economiser None of these Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Counter-current Cross-current Co-current Direct contact Counter-current Cross-current Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by mCp/kμ kμ/mCp mCp/kL kL/mCp mCp/kμ kμ/mCp mCp/kL kL/mCp ANSWER DOWNLOAD EXAMIANS APP
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