In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D⁹

D²

D⁵

D

D⁹

D²

D⁵

D

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

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Process Equipment and Plant Design
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.

None of these

Damaging

Allowable

Working

None of these

Damaging

Allowable

Working

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to a shell and tube heat exchanger.

The minimum value of baffle spacing is 50 mm

The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these

Disk and doughnut baffle is the most commonly used baffle

The maximum value of baffle spacing is equal to the I.D. of the shell

The minimum value of baffle spacing is 50 mm

The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these

Disk and doughnut baffle is the most commonly used baffle

The maximum value of baffle spacing is equal to the I.D. of the shell

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Process Equipment and Plant Design
The stress developed in a material without any permanent set is called the

Yield stress

Breaking stress

Ultimate stress

Elastic limit

Yield stress

Breaking stress

Ultimate stress

Elastic limit

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Process Equipment and Plant Design
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

D

2.5 d

0.5 d

1.5 d

D

2.5 d

0.5 d

1.5 d

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Process Equipment and Plant Design

Process Equipment and Plant Design In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

Process Equipment and Plant Design Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger.

Process Equipment and Plant Design The stress developed in a material without any permanent set is called the

Process Equipment and Plant Design To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to a shell and tube heat exchanger.

Process Equipment and Plant Design
The stress developed in a material without any permanent set is called the

Process Equipment and Plant Design
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to