Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.

Process Equipment and Plant Design
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.

Either A or B, whichever is smaller

Either A or B, whichever is larger

6% of I.D.

3 times the thickness

Either A or B, whichever is smaller

Either A or B, whichever is larger

6% of I.D.

3 times the thickness

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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

10 mm

6 mm

5 mm

8 mm

10 mm

6 mm

5 mm

8 mm

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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

Shear

Bending

Deformation

Elongation

Shear

Bending

Deformation

Elongation

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

43961

1500-2500

50-150

500-1500

43961

1500-2500

50-150

500-1500

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Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Equal to the order of reaction

>1

< 1

1

Equal to the order of reaction

>1

< 1

1

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Process Equipment and Plant Design
In a thin cylindrical shell, the hoop stress is __________ stress.

Radial

Longitudinal

Compressive

Circumferential tensile

Radial

Longitudinal

Compressive

Circumferential tensile

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Process Equipment and Plant Design

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 operating pressure drop range in a bag filter is about __________ mm water gauge.

Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress.

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 operating pressure drop range in a bag filter is about __________ mm water gauge.

Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

Process Equipment and Plant Design
In a thin cylindrical shell, the hoop stress is __________ stress.