A. Agitated film evaporator
B. Long tube vertical evaporator
C. Open pan evaporator
D. None of these
A. 2
B. 20.8
C. 20.2
D. 20.5
A. A red hot steel slab (having outside surface temperature as 1300°C) exposed to the
atmospheric air at 35°C
B. 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe
exposed to atmospheric air at 35°C
C. Boiling brine kept in open vessel when the bottom surface temperature of the vessel is
maintained constant at 180°C
D. A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper
pipe exposed to atmospheric air at 35°C
A. 2f
B. f
C. f/2
D. f/4
A. Liquid density
B. Liquid viscosity
C. Hot surface temperature
D. Interfacial tension
A. Is not the same as baffle pitch
B. Should be less than one fifth the diameter of the shell
C. Should be less than the inside diameter of the shell
D. None of these
A. Prandtl
B. Nusselt
C. Stanton
D. Grashoff