A. Steady state conduction
B. Natural convection
C. Forced convection
D. Radiation
View factor is important in heat transfer by_____________________? Read More »
Chemical Heat Transfer A. Scaling characteristics
B. High viscosity
C. Both A. & B.
D. Neither A. nor B.
A. Colburn
B. Reynolds
C. Prandtl
D. None of these
The equation, Nst = f/2, is the _____________ analogy? Read More »
Chemical Heat Transfer A. Strouhal number
B. Sherwood number
C. Euler number
D. Grashoff number
Which of the following is directly concerned with the heat transfer ? Read More »
Chemical Heat Transfer A. Is thicker than hydrodynamic boundary layer
B. Is thinner than hydrodynamic boundary layer
C. And the hydrodynamic boundary layers are identical
D. Disappears
The thermal boundary layer at NPr > 1 ? Read More »
Chemical Heat Transfer A. On polished surfaces
B. On rough surfaces
C. In the absence of agitation
D. None of these
Nucleate boiling is promoted ___________________? Read More »
Chemical Heat Transfer A. 0.5
B. < 0.5
C. > 0.6
D. < 0.1
A. 1200 W/m2.K
B. 894 W/m2.K
C. 333 W/m2.K
D. 287 W/m2.K
A. Grashoff
B. Nusselt
C. Prandtl
D. Stanton
Cpμ/K is termed as the ______________ number? Read More »
Chemical Heat Transfer A. Increases
B. Decreases
C. Remain constant
D. May increase or decrease, depends on the vacuum
