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.

10 to 20

40 to 50

1 to 5

30 to 40

10 to 20

40 to 50

1 to 5

30 to 40

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Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Dynamic

Geometrical

Kinematic

All of these

Dynamic

Geometrical

Kinematic

All of these

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Process Equipment and Plant Design
For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

(0.8)0.5

1

0.8

0.9

(0.8)0.5

1

0.8

0.9

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Process Equipment and Plant Design
When one of the fluids is highly corrosive and has fouling tendency, it should

Flow at a very slow velocity

Perferably flow outside the tube

Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current

Preferably flow inside the tube for its easier internal cleaning

Flow at a very slow velocity

Perferably flow outside the tube

Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current

Preferably flow inside the tube for its easier internal cleaning

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Process Equipment and Plant Design
The necessary wall thickness for a metallic storage vessel is a function of the

Ultimate tensile strength (or yield point) of the material and operating temperature

All of these

Operating pressure and welding/joint efficiency

Diameter of the vessel

Ultimate tensile strength (or yield point) of the material and operating temperature

All of these

Operating pressure and welding/joint efficiency

Diameter of the vessel

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Process Equipment and Plant Design
The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than

2

3.5

3

1

2

3.5

3

1

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Process Equipment and Plant Design

Process Equipment and Plant Design Scale up problem in design based on the similarity concept takes into account __________ similarity.

Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should

Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the

Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than

Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Process Equipment and Plant Design
When one of the fluids is highly corrosive and has fouling tendency, it should

Process Equipment and Plant Design
The necessary wall thickness for a metallic storage vessel is a function of the

Process Equipment and Plant Design
The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than