Small scale evaporation is done in a_________________?
A. Heat exchanger
B. Condenser
C. Multiple effect evaporator
D. Steam jacketed kettle
A. Heat exchanger
B. Condenser
C. Multiple effect evaporator
D. Steam jacketed kettle
A. Condensation rate
B. Surface configuration
C. Liquid flow rate from the surface
D. All A., B. and C.
A. 520
B. 200
C. 400
D. 500
A. Cumulatively increases
B. Cumulatively decreases
C. Remain constant
D. And the surface conductance increase
A. n = 0.4 is used for heating
B. n = 0.3 is used for cooling
C. Reynolds number for the flow involved is > 10000
D. Reynolds number for the flow involved is < 2100
A. Feed
B. Depth of liquid over heating surface
C. Pressure difference between steam chest and vapour space
D. All A., B. and C.
A. For fluids in laminar flow
B. For fluids in turbulent flow
C. When Grashoff number is very important
D. For liquid metals