Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Calenderia vertical tube evaporator Agitated film evaporator Horizontal tube evaporator Long vertical evaporator Calenderia vertical tube evaporator Agitated film evaporator Horizontal tube evaporator Long vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Unsteady state heat conduction occurs, when Temperature distribution is independent of time Three dimensional heat flow is concerned Temperature distribution is dependent on time Heat flows in one direction only Temperature distribution is independent of time Three dimensional heat flow is concerned Temperature distribution is dependent on time Heat flows in one direction only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1 80 1.5 0.5 1 80 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as Monochromatic radiation None of these Forced convection Steady state conduction Monochromatic radiation None of these Forced convection Steady state conduction 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 Transient conduction Forced convection Natural convection Steady state conduction Transient conduction Forced convection Natural convection Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS