Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

Process Equipment and Plant Design
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

10-12.5

5-7.5

2.5-3.0

15-20

10-12.5

5-7.5

2.5-3.0

15-20

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Viscosity of filtrate

Both A & B

Filtering area & the pressure difference driving force

Cake & filter medium resistance

Viscosity of filtrate

Both A & B

Filtering area & the pressure difference driving force

Cake & filter medium resistance

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

Diameter of the vessel

All of these

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

Operating pressure and welding/joint efficiency

Diameter of the vessel

All of these

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

Operating pressure and welding/joint efficiency

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

0.5 to 1

1 to 1.5

2 to 2.5

1.5 to 2

0.5 to 1

1 to 1.5

2 to 2.5

1.5 to 2

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Process Equipment and Plant Design
A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to

8 mm

6 mm

5 mm

10 mm

8 mm

6 mm

5 mm

10 mm

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Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

(p² - πd²/4)/πd

4(0.86p² - πd²)/πd

(4p² - πd²/4)/πd

4(0.86p² - πd²/4)/πd

(p² - πd²/4)/πd

4(0.86p² - πd²)/πd

(4p² - πd²/4)/πd

4(0.86p² - πd²/4)/πd

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Process Equipment and Plant Design

Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

Process Equipment and Plant Design Rate of filtrate delivery is inversely proportional to the

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 ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

Process Equipment and Plant Design
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

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 ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by