Related Questions

The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is
A 0
B ∞
C -ve
D +ve
When both the fluids flow concurrently in an absorber, the slope of the operating line is
A - ve
B + ve
C 1
D -1
The minimum liquid rate to be used in an absorber corresponds to an operating line
A Of slope = 1
B Of slope = 0.1
C Tangential to the equilibrium curve
D None of these
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these
Which memory is nonvolatile and may be written only once?
A RAM
B EE-ROM
C RAM
D PROM
E None of the above
Which one of the following is an example of nonvolatile memory?
A ROM
B BIOS
C POST
D All of these
For an absorber, both equilibrium and operating line will be straight for
A Concentrated solution and non-isothermal operation
B Dilute solution and non-isothermal operation
C Dilute solution and isothermal operation
D Concentrated solution and isothermal operation
For a single component absorber, the operating line is straight only when plotted in term of __________ units.
A Partial pressure
B Mole ratio
C Mole fraction
D None of these
The operating line for an absorber is curved, when plotted in terms of
A Mole fractions
B Mole ratios
C Partial pressure
D Mass fractions
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called
A Decoction
B Percolation
C Elutriation or elution
D None of these

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