Heat Transfer What is the emissivity of a black body? 1 0.9 0.5 1 0.9 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of Activity co-efficients Concentrations Chemical potentials Mass transfer co-efficients Activity co-efficients Concentrations Chemical potentials Mass transfer co-efficients ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2hi/K K/h0 2K/h0 hi/K 2hi/K K/h0 2K/h0 hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Occupies smaller space All of these Is more economical Is easy to operate and maintain Occupies smaller space All of these Is more economical Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration Neither A nor B Rate of heat transfer Both A and B Heat balance consideration Neither A nor B Rate of heat transfer Both A and B ANSWER DOWNLOAD EXAMIANS APP