Heat Transfer In Fourier's law, the proportionality constant is called the Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient Thermal conductivity Thermal diffusivity Stefan-Boltzman constant Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 4.88 1.49 1 None of these 4.88 1.49 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Decreases Remains same Increases May increase or decrease depending on the type of gas Decreases Remains same Increases May increase or decrease depending on the type of gas 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 It is not preferable to use superheated steam in evaporators, because of its very high temperature none of the listed here low film co-efficient high pressure high temperature none of the listed here low film co-efficient high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 1 5 0.5 1 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
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