To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)5/3

(1.2)3/5

(1.2)2/3

(1.2)3/2

(1.2)5/3

(1.2)3/5

(1.2)2/3

(1.2)3/2

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Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

< 7

> 20 < 50

> 7 < 15

< 30

< 7

> 20 < 50

> 7 < 15

< 30

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Process Equipment and Plant Design
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Larger dia long vessel

Smaller dia vessel

Larger dia vessel

Strength of the vessel is same irrespective of the diameter

Larger dia long vessel

Smaller dia vessel

Larger dia vessel

Strength of the vessel is same irrespective of the diameter

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Neither A nor B

Is easy to fabricate

Has greater structural strength

Both A & B

Neither A nor B

Is easy to fabricate

Has greater structural strength

Both A & B

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

More than arithmetic mean value

Less than arithmetic mean value

Both B & C

More than geometric mean value

More than arithmetic mean value

Less than arithmetic mean value

Both B & C

More than geometric mean value

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

4 to 8

6 to 12

3 to 5

2 to 3

4 to 8

6 to 12

3 to 5

2 to 3

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Process Equipment and Plant Design

Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

Process Equipment and Plant Design
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from