Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Polished bodies only Black painted bodies only A black body All bodies Polished bodies only Black painted bodies only A black body All bodies ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the None of these Both A and B Realisation of multiple effect economy in a single effect Saving of steam None of these Both A and B Realisation of multiple effect economy in a single effect Saving of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Superheat the steam Create vacuum None of these Remove condensate from the steam pipelines Superheat the steam Create vacuum None of these Remove condensate from the steam pipelines 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? 43.75 81.25 35.5 48.25 43.75 81.25 35.5 48.25 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Cross-current Counter-current Direct contact Co-current Cross-current Counter-current Direct contact ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) CE 1/CE C/E E/C CE 1/CE C/E E/C ANSWER DOWNLOAD EXAMIANS APP
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