Kettle reboiler is suitable for heat sensitive materials as it has low residence time.

Jacketed kettle is preferred for kettle type reboiler.

A

True

B

False

Kettle reboiler is also called a ___________ reboiler.

A

Thermosyphon

B

Submerged bundle

C

Internal

D

Shell and tube

An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii)

A

Less number of trays are required

B

Composition of the residue remains unchanged

C

More number of trays are required but the residue composition remains unchanged

D

More number of trays are required and the residue composition is more dilute in methanol

An electronic dealer allows 37.5% discount on the marked price on an electric kettle and gains 25%. If the cost price of the electric kettle is increased by 10% and the profit percentage is same as before, then what is the new discount percentage allowed?

A

30%

B

35%

C

31.25%

D

33.25%

The kettle type reboiler is attached to the main body of the distillation column.

A

True

B

False

The vaporisation rate in a kettle reboiler can be reached as high as _________ of the feed.

A

80%

B

90%

C

70%

D

50%

In the design of Kettle reboiler given by Kern for isothermal boiling, it is assumed that the degree of sub-cooling and super-heating of the cold fluid is ___________

A

Negligible

B

Infinity

C

100

D

10

In a kettle reboiler, the hot fluid is in the ______ and the solution is in the _______

A

Shell, Tube

B

Tube, Shell

C

Bed, Column

D

Column, bed

The shell in Kettle reboiler is commonly known as _____________

A

TEMA K-Shell

B

Shell and Tube Heat exchangers

C

TENA L-shell

D

ATEMA M-Shell

The kettle reboiler gives the flexibility to be used at _____________ pressure.

A

Low

B

Both low and high

C

High

D

Very High

Kettle reboiler is suitable for heat sensitive materials as it has low residence time.

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