Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

1 to 5

10 to 20

40 to 50

30 to 40

1 to 5

10 to 20

40 to 50

30 to 40

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Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

1/20th

1/10th

1/50th

1/30th

1/20th

1/10th

1/50th

1/30th

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Process Equipment and Plant Design
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of

2

20.8

20.2

None of these

2

20.8

20.2

None of these

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Process Equipment and Plant Design
A stuffing box is used for

Absorbing the contraction/expansion of pipeline due to temperature changes

Facilitating smooth opening and closing of a valve

Prevention of fluid leakage around moving parts

Reducing the resistance of fluid flow

Absorbing the contraction/expansion of pipeline due to temperature changes

Facilitating smooth opening and closing of a valve

Prevention of fluid leakage around moving parts

Reducing the resistance of fluid flow

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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

Tall but empty

None of these

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

Short (< 2 m) and housed indoor

Tall but empty

None of these

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

Short (< 2 m) and housed indoor

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Process Equipment and Plant Design
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress.

Shear

Compressive

Tensile

Thermal

Shear

Compressive

Tensile

Thermal

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Process Equipment and Plant Design

Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of

Process Equipment and Plant Design A stuffing box is used for

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 The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress.

Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

Process Equipment and Plant Design
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of

Process Equipment and Plant Design
A stuffing box is used for

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
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress.