1

GATE ME 1990

In pool boiling the highest $HTC$ occurs in
A
Sub-cooled boiling zone
B
Nucleate boiling zone
C
Partial film boiling zone
D
Film boiling zone
2

GATE ME 1988

For the fluid flowing over a flat plate with Prandtle number greater than unity, the thermal boundary layer for laminar forced convection
A
is thinner than the hydrodynamic boundary layer
B
Has thickness equal to zero
C
is of same thickness as hydrodynamic boundary layer
D
is thicker than the hydrodynamic boundary layer