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.

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

Either A or B, whichever is smaller

Either A or B, whichever is larger

6% of I.D.

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

0.3 to 0.8

3.5 to 7.0

44055

1.25 to 3.125

0.3 to 0.8

3.5 to 7.0

44055

1.25 to 3.125

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Process Equipment and Plant Design
Which of the following packing materials provides for maximum mass transfer?

Cross-partition rings

All of these

Raschig rings

Lessig rings

Cross-partition rings

All of these

Raschig rings

Lessig rings

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Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Killed steel

Semi-killed steel

Mild steel

Rimmed still

Killed steel

Semi-killed steel

Mild steel

Rimmed still

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Process Equipment and Plant Design
Speed of industrial paddle agitator ranges from __________ rpm.

1000 to 2000

20 to 100

1 to 5

500 to 750

1000 to 2000

20 to 100

1 to 5

500 to 750

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

4(P² - πd²/4)/πd

(P² - πd²/4)/πd

Πd/4P²

4P²/πd

4(P² - πd²/4)/πd

(P² - πd²/4)/πd

Πd/4P²

4P²/πd

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Process Equipment and Plant Design

Process Equipment and Plant Design The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer?

Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction?

Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm.

Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

Process Equipment and Plant Design
Which of the following packing materials provides for maximum mass transfer?

Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Process Equipment and Plant Design
Speed of industrial paddle agitator ranges from __________ rpm.

Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)