Prandtl number is given by__________________?
Prandtl number is given by__________________?
A. CP μ/a
B. hD/k
C. CP μ/k
D. μ/h CP
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In evaporators, lowering the feed temperature_______________?
In evaporators, lowering the feed temperature_______________?A. Increases the heating area required
B. Reduces the economy
C. Both A. and B.
D. Decreases the heating area requiredThe heat transfer co-efficient in film type condensation is _______________ that for dropwise condensation?
The heat transfer co-efficient in film type condensation is _______________ that for dropwise condensation?A. Greater than
B. Lower than
C. Is same as
D. HalfFourier’s law applies to the heat transfer by__________________?
Fourier’s law applies to the heat transfer by__________________?A. Convection
B. Radiation
C. Conduction
D. All A., B. & C.1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is__________________?
1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is__________________?A. 520
B. 200
C. 400
D. 500For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is_________________?
For the same heat transfer area and the terminal conditions, the ratio of the capacities of a single effect evaporator to a triple effect evaporator is_________________?A. 3
B. 0.33
C. 1
D. 1.33Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ?
Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ?A. Bleed point
B. Vent
C. Catchall
D. Baffle