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 larger

6% of I.D.

Either A or B, whichever is smaller

3 times the thickness

Either A or B, whichever is larger

6% of I.D.

Either A or B, whichever is smaller

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Process Equipment and Plant Design
Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

Neither A nor B

Economic limit reached, when the plant cost exceeds the saving of steam

Practical limit reached, due to low heat transfer rate because of inadequate temperature difference

Both A & B

Neither A nor B

Economic limit reached, when the plant cost exceeds the saving of steam

Practical limit reached, due to low heat transfer rate because of inadequate temperature difference

Both A & B

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

30-35

15-20

43961

35-40

30-35

15-20

43961

35-40

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Low gas velocity

Large plate spacing

Large reflux ratio

Resistance offered to flow of liquids by caps & risers and the flow of gas

Low gas velocity

Large plate spacing

Large reflux ratio

Resistance offered to flow of liquids by caps & risers and the flow of gas

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Height is 75% of the I.D. of the shell

Spacing is 75% of its height

Height is 25% of the I.D. of the shell

Width is 25% of its height

Height is 75% of the I.D. of the shell

Spacing is 75% of its height

Height is 25% of the I.D. of the shell

Width is 25% of its height

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

σh = σL

σh = σL/2

σh = 2 σL

No relation exists

σh = σL

σh = σL/2

σh = 2 σL

No relation exists

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Process Equipment and Plant Design

Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design Liquid gradient over the tray results due to the

Process Equipment and Plant Design 25 per cent cut segmental baffle means that the baffle

Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

Process Equipment and Plant Design
Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by