In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes

Process Equipment and Plant Design
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes

Are less prone to fouling

Are easier to clean

Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less

None of these

Are less prone to fouling

Are easier to clean

Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less

None of these

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

Downtake is formed by the annular space between the bundle and the shell

There is no central downtake

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

Downtake is formed by the annular space between the bundle and the shell

There is no central downtake

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Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Aluminium

Stainless steel

Carbon steel

Copper

Aluminium

Stainless steel

Carbon steel

Copper

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Process Equipment and Plant Design
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

pd/3t

pd/4t

pd/t

pd/2t

pd/3t

pd/4t

pd/t

pd/2t

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Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

None of these

Increase by 21.6

Decrease by 22

Increase by 1.8

None of these

Increase by 21.6

Decrease by 22

Increase by 1.8

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Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

2.5

1.5

0.5

3.5

2.5

1.5

0.5

3.5

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Process Equipment and Plant Design

Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone?

Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Process Equipment and Plant Design
The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is

Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around