Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to inertial forces buoyancy to viscous forces inertial to viscous forces. buoyancy to surface tension forces buoyancy to inertial forces buoyancy to viscous forces inertial to viscous forces. buoyancy to surface tension forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Greater than Lower than Is same as Half Greater than Lower than Is same as Half ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Natural convection Steady state conduction Forced convection Transient conduction Natural convection Steady state conduction Forced convection Transient conduction 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 floating The top tube sheet fixed and the bottom tube-sheet floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets fixed Both the tube sheets floating The top tube sheet fixed and the bottom tube-sheet floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets fixed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Viscosity Thermal conductivity Density Heat capacity Viscosity Thermal conductivity Density Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. Either B or C, depends on the mass of the body 10 >10 Either B or C, depends on the mass of the body 10 >10 ANSWER DOWNLOAD EXAMIANS APP