Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Lower capacity Decreased economy No effect on economy Increased economy Lower capacity Decreased economy No effect on economy Increased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to 2f f/4 f f/2 2f f/4 f f/2 ANSWER DOWNLOAD EXAMIANS APP
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 Heat transfer occurs by natural convection because change in temperature causes difference in Heat capacity Thermal conductivity Density Viscosity Heat capacity Thermal conductivity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal conductivity thermal diffusivity heat transfer co-efficient heat flux thermal conductivity thermal diffusivity heat transfer co-efficient heat flux ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS