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

40 to 50

30 to 40

10 to 20

1 to 5

40 to 50

30 to 40

10 to 20

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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?

Horizontal tube evaporator

Short tube vertical evaporator

None of these

Long tube vertical evaporator

Horizontal tube evaporator

Short tube vertical evaporator

None of these

Long tube vertical evaporator

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Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Is economical in operation

Both B & C

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

Is economical in operation

Both B & C

Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

Employs high velocity, high heat transfer rate and less heating surface requirement

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Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

More than that for Tee (used as elbow, entering run)

Less than that for Tee (used as elbow, entering run)

Both B and C

Around 90

More than that for Tee (used as elbow, entering run)

Less than that for Tee (used as elbow, entering run)

Both B and C

Around 90

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Process Equipment and Plant Design
Filtration rate is affected by the

Pressure drop across the cake & filter medium

Area of filtering surface & the viscosity of filtrate

Cake & filter medium resistance

All of these

Pressure drop across the cake & filter medium

Area of filtering surface & the viscosity of filtrate

Cake & filter medium resistance

All of these

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Process Equipment and Plant Design
In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.

12.5

2.5

17.5

5

12.5

2.5

17.5

5

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Process Equipment and Plant Design

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 A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be

Process Equipment and Plant Design Filtration rate is affected by the

Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.

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
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

Process Equipment and Plant Design
Filtration rate is affected by the

Process Equipment and Plant Design
In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.