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 easier to clean

None of these

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

Are less prone to fouling

Are easier to clean

None of these

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

Are less prone to fouling

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Process Equipment and Plant Design
A cylindrical storage tank can have a self supported conical roof,

If its diameter is more than 50 meters

If its diameter is less than 15-20metres

Irrespective of its diameter

If the thickness of the roof is more than that of the cylindrical shell

If its diameter is more than 50 meters

If its diameter is less than 15-20metres

Irrespective of its diameter

If the thickness of the roof is more than that of the cylindrical shell

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Process Equipment and Plant Design
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is

pD/2t

pD/4t

pD/3t

pD/6t

pD/2t

pD/4t

pD/3t

pD/6t

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Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

Remains same

Increases

May increase or decrease depending upon the plate spacing

Decreases

Remains same

Increases

May increase or decrease depending upon the plate spacing

Decreases

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Process Equipment and Plant Design
In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Long tube vertical evaporator

Horizontal tube evaporator

None of these

Short tube vertical evaporator

Long tube vertical evaporator

Horizontal tube evaporator

None of these

Short tube vertical evaporator

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Process Equipment and Plant Design
Wind load consideration in the design of a support can be neglected, when the vessel is

Short (< 2 m) and housed indoor

None of these

Tall (say 30 metres), but is full of liquid

Tall but empty

Short (< 2 m) and housed indoor

None of these

Tall (say 30 metres), but is full of liquid

Tall but empty

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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 A cylindrical storage tank can have a self supported conical roof,

Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is

Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is

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
A cylindrical storage tank can have a self supported conical roof,

Process Equipment and Plant Design
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is

Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

Process Equipment and Plant Design
In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Process Equipment and Plant Design
Wind load consideration in the design of a support can be neglected, when the vessel is