Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low thermal conductivity Grashoff number Prandtl number viscosity thermal conductivity Grashoff number Prandtl number viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Vent the non-condensible gases Arrest the entrained liquid Create vacuum Regulate the vapor flow Vent the non-condensible gases Arrest the entrained liquid Create vacuum Regulate the vapor flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Less than More than Equal to Either more or less than (depending upon the fluid) Less than More than Equal to Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Air Water Black Silver Air Water Black Silver ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Reflects Absorbs None of these Transmits Reflects Absorbs None of these Transmits ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Long tube Open pan None of these Agitated film Long tube Open pan None of these Agitated film ANSWER DOWNLOAD EXAMIANS APP
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