Heat Transfer With the increase of temperature, the Col-burn jH factor Remains unchanged Increases Decreases May increase or decrease ; depending on temperature Remains unchanged Increases Decreases May increase or decrease ; depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because There is no risk of contamination There is no mist formation Cost of equipment is lower Heat transfer co-efficient are high There is no risk of contamination There is no mist formation Cost of equipment is lower Heat transfer co-efficient are high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation None of these Nature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Nusselt Reynolds Grashoff Both B & C Nusselt Reynolds Grashoff Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.4 0.6 0.5 0.7 0.4 0.6 0.5 0.7 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Hot surface temperature Liquid viscosity Liquid density Interfacial tension Hot surface temperature Liquid viscosity Liquid density ANSWER DOWNLOAD EXAMIANS APP
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