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.

6% of I.D.

Either A or B, whichever is larger

Either A or B, whichever is smaller

3 times the thickness

6% of I.D.

Either A or B, whichever is larger

Either A or B, whichever is smaller

3 times the thickness

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Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

(D₂² - D₁²)/D₂²

None of these

(D₂² - D₁²)/D₁²

D₂ - D₁

(D₂² - D₁²)/D₂²

None of these

(D₂² - D₁²)/D₁²

D₂ - D₁

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Process Equipment and Plant Design
Needle valves are generally not used for

Smaller sizes of pipe

Very accurate flow control

High pressure throttling service

Very large diameter pipes

Smaller sizes of pipe

Very accurate flow control

High pressure throttling service

Very large diameter pipes

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Process Equipment and Plant Design
Which of the following types of reactors is the safest from operation point of view?

A liquid phase catalytic reactor

A vapor phase reactor

A liquid phase reactor

Pot type reactor

A liquid phase catalytic reactor

A vapor phase reactor

A liquid phase reactor

Pot type reactor

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Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Sensible heat changes for vapour & liquid are negligibly small

Heat of mixing of normal liquid is assumed to be zero

Reflux is not a saturated liquid

Molar latent heat of the two components are equal

Sensible heat changes for vapour & liquid are negligibly small

Heat of mixing of normal liquid is assumed to be zero

Reflux is not a saturated liquid

Molar latent heat of the two components are equal

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

Pitch

Baffle spacing

Clearance

None of these

Pitch

Baffle spacing

Clearance

None of these

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Process Equipment and Plant Design

Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

Process Equipment and Plant Design Needle valves are generally not used for

Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view?

Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

Process Equipment and Plant Design
Needle valves are generally not used for

Process Equipment and Plant Design
Which of the following types of reactors is the safest from operation point of view?

Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon