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

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

6% of I.D.

Either A or B, whichever is larger

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

10 to 20

1 to 5

40 to 50

30 to 40

10 to 20

1 to 5

40 to 50

30 to 40

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Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Geometric mean of the true temperature difference and the LMTD

Ratio of LMTD to the true temperature difference

Differenced of true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

Geometric mean of the true temperature difference and the LMTD

Ratio of LMTD to the true temperature difference

Differenced of true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

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Process Equipment and Plant Design
Power required for agitation depends upon the

Size of agitator & the tank

All of these

Height & properties of the liquid

Agitator type & speed of agitation

Size of agitator & the tank

All of these

Height & properties of the liquid

Agitator type & speed of agitation

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

Skirt clearance for bubble caps

Downcomer liquid seal in case of a balanced tray design

All of these

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

Skirt clearance for bubble caps

Downcomer liquid seal in case of a balanced tray design

All of these

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Twice

0.6-0.8 times

2 ft irrespective of (for column > 3 ft diameter)

Equal to

Twice

0.6-0.8 times

2 ft irrespective of (for column > 3 ft diameter)

Equal to

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Process Equipment and Plant Design

Process Equipment and Plant Design The LMTD correction factor (FT) is defined as the

Process Equipment and Plant Design Power required for agitation depends upon the

Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Process Equipment and Plant Design
Power required for agitation depends upon the

Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.