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

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

10 mm

5 mm

6 mm

8 mm

10 mm

5 mm

6 mm

8 mm

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Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G

Δp = G0.5

Δp = G2

Δp = 1/G0.6

Δp = G

Δp = G0.5

Δp = G2

Δp = 1/G0.6

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Deformation

Bending

Elongation

Shear

Deformation

Bending

Elongation

Shear

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Process Equipment and Plant Design
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

To provide support to the tube bundle

To reduce the induced vibration in the tubes

To increase the tube side heat transfer co-efficient by inducing turbulence

To increase the residence time of shell side fluid

To provide support to the tube bundle

To reduce the induced vibration in the tubes

To increase the tube side heat transfer co-efficient by inducing turbulence

To increase the residence time of shell side fluid

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Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

Back pitch

Margin

None of these

Pitch

Back pitch

Margin

None of these

Pitch

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Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D²

D⁹

D⁵

D

D²

D⁹

D⁵

D

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Process Equipment and Plant Design

Process Equipment and Plant Design Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

Process Equipment and Plant Design The distance between the centre of a rivet hole to the nearest edge of the plate is called

Process Equipment and Plant Design In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Process Equipment and Plant Design
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as