Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low viscosity Low density High fluidity Abundance & high heat capacity Low viscosity Low density High fluidity Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux through several resistances in series in analogous to the current flowing through several. none of the listed here resistances in parallel capacitors in series resistances in series none of the listed here resistances in parallel capacitors in series resistances in series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 10 to 100 0.5 to 50 1 to 100 100 to 1000 10 to 100 0.5 to 50 1 to 100 100 to 1000 ANSWER DOWNLOAD EXAMIANS APP
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