Tube height in a calendria type evaporator is normally less than __________ metres.

Process Equipment and Plant Design
Tube height in a calendria type evaporator is normally less than __________ metres.

3.5

2

5.5

1

3.5

2

5.5

1

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

More than

Not less than one fifth of

Both B and C

Not greater than

More than

Not less than one fifth of

Both B and C

Not greater than

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 1.004G0.37

HG = 0.0176G0.37

0.0176G1.37

1.004G0.8

HG = 1.004G0.37

HG = 0.0176G0.37

0.0176G1.37

1.004G0.8

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

4(P² - πd²/4)/πd

4P²/πd

Πd/4P²

(P² - πd²/4)/πd

4(P² - πd²/4)/πd

4P²/πd

Πd/4P²

(P² - πd²/4)/πd

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Process Equipment and Plant Design
Le/D for fully open gate valves would be

Much less (say 2% than that for fully open globe valves)

Both B and C

Around 7

Much more than that for fully open globe valves

Much less (say 2% than that for fully open globe valves)

Both B and C

Around 7

Much more than that for fully open globe valves

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Process Equipment and Plant Design

Process Equipment and Plant Design Tube height in a calendria type evaporator is normally less than __________ metres.

Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell.

Process Equipment and Plant Design Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Process Equipment and Plant Design Le/D for fully open gate valves would be

Process Equipment and Plant Design
Tube height in a calendria type evaporator is normally less than __________ metres.

Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Process Equipment and Plant Design
Le/D for fully open gate valves would be