In case of a vertical tube evaporator, with increase in the liquor level, the
A) Capacity of the evaporator is decreased
B) Capacity of the evaporator is increased
C) True temperature drop increases
D) Both (B) and (C)
Correct Answer:
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Q13: In a forward feed multiple effect, the
Q14: Graetz number is given by
A)mCp/kL
B)kL/mCp
C)mCp/kµ
D)kµ/mCp
Q15: Thermal diffusivity is given by
A)k/?Cp
B)?Cp/k
C)µCp/a
D)µ/hCp
Q16: The rate of heat transfer is a
Q17: Reynold's analogy states that
A)Nst ? f
B)Nst ?
Q19: Which of the following has the minimum
Q20: Low thermal conductivity of heat insulating materials
Q21: For an ideal black body
A)Absorptivity = 1
B)Reflectivity
Q22: In a liquid-liquid heat exchanger, for the
Q23: For concentrating an aqueous solution of a
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