Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx + εy (εx + εy)/(εx + εy - εx . εy) Εx . εy 1/εx + 1/εy Εx + εy (εx + εy)/(εx + εy - εx . εy) Εx . εy 1/εx + 1/εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.72 0.001 150 70 0.72 0.001 150 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the heat transfer in laminar flow heat transfer in turbulent flow mass transfer between a gas and a liquid absorption with chemical reaction heat transfer in laminar flow heat transfer in turbulent flow mass transfer between a gas and a liquid absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C 100°C none of the listed here 0°K 0°C 100°C none of the listed here 0°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. none of the listed here film transition pool none of the listed here film transition pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS