Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low Grashoff number Prandtl number thermal conductivity viscosity Grashoff number Prandtl number thermal conductivity viscosity 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. None of these Temperature of the body Wavelength of radiation Nature of the body None of these Temperature of the body Wavelength of radiation Nature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporator tubes are generally Random Vertical Inclined Horizontal Random Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high temperature low film co-efficient high pressure none of the listed here high temperature low film co-efficient high pressure none of the listed here ANSWER DOWNLOAD EXAMIANS APP