A. Decreases
B. Increases
C. Remains unchanged
D. Increases exponentially
A. d2T/dZ2 > 0
B. d2T/dZ2 = 0
C. d2T/dZ2 < 0
D. dT/dZ = 0
A. Resistances in parallel
B. Capacitors in series
C. Resistances in series
D. None of these
A. 1
B. 1
D. None of these
A. High viscosity
B. High co-efficient of thermal expansion
C. Low temperature gradients
D. Low density change with temperature
A. Total condenser
B. Vacuum evaporator
C. Partial condenser
D. Double pipe heat exchanger
A. The heat transfer rate is low in view of the large temperature drop
B. It is difficult to maintain
C. It is not economic
D. None of these
A. Heat sensitive material can be handled
B. There is no additional cost of pumg
C. Most concentrated liquid is at highest temperature
D. Equal heat transfer co-efficients exist in various effects
A. Increases
B. Decreases
C. Does not affect
D. May increase or decrease, depends on the type of baffle
A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depending on temperature