What is the slope of the operating line in the stripping section of a distillation column ?
What is the slope of the operating line in the stripg section of a distillation column ?
A. 0
B. ∞
C. > 1
D. < 1
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Safety valves are provided in chemical equipments to guard against excessive_________________?
Safety valves are provided in chemical equipments to guard against excessive_________________?A. Temperature
B. Pressure/pressure fluctuation
C. Turbulence
D. NoiseWhich of the following lengths of heat exchanger tubes are normally not used in practice ?
Which of the following lengths of heat exchanger tubes are normally not used in practice ?A. 2.5 metres
B. 6 metres
C. 10 metres
D. 0.5 metreMultiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?A. 0.1 to 0.25
B. 0.3 to 0.5
C. 0.5 to 0.6
D. 0.65 to 0.80Larger depth of liquid on the trays of a distillation column_________________?
Larger depth of liquid on the trays of a distillation column_________________?A. Leads to high tray efficiency
B. Results in higher pressure drop per tray
C. Both A. & B.
D. Neither A. or B.Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than ______________ mm?
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than ______________ mm?A. 10
B. 20
C. 30
D. 5In condenser, the cooling water is passed in the tube side in a pass arrangement, because________________?
In condenser, the cooling water is passed in the tube side in a pass arrangement, because________________?A. It reduces heat transfer area
B. More thinner tubes can be used
C. Pressure drop is reduced
D. It makes condenser compact