A. Provide very large heat transfer co-efficient
B. Results in making part of the heating surface inactive
C. Results in abruptly increased velocity
D. None of these
A. LMTD is greater
B. Less surface area is required for a given heat transfer rate
C. Both A. and B.
D. More surface area is required for a given heat transfer rate
A. Conduction
B. Natural convection
C. Forced convection
D. None of these
A. 1
B. < 1
C. > 1
D. None of these
A. Heat exchanger
B. Condenser
C. Multiple effect evaporator
D. Steam jacketed kettle
A. < 1
B. > 1
C. 1
D. ∞
A. Dense structure
B. High proportion of air space
C. High specific heat
D. None of these
A. Dense structure
B. High proportion of air space
C. High specific heat
D. None of these
A. Capacity of the evaporator is decreased
B. Capacity of the evaporator is increased
C. True temperature drop increases
D. Both B. and C.
A. Heating volume
B. Heat transfer area
C. Nusselt number
D. None of these