For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

Process Equipment and Plant Design
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

4 to 5

2.5 to 3.5

6 to 8

1 to 1.5

4 to 5

2.5 to 3.5

6 to 8

1 to 1.5

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Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Same

Lower

Unpredictable

Higher

Same

Lower

Unpredictable

Higher

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

0.5 nth

nth

(1/n)th

1.5 nth

0.5 nth

nth

(1/n)th

1.5 nth

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Process Equipment and Plant Design
Generally, elliptical dished heads

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

All of these

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

All of these

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

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Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

5.5

45.5

12.5

30.5

5.5

45.5

12.5

30.5

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Process Equipment and Plant Design
In case of design of a shell and tube heat exchanger,

Minimum tube sheet thickness (in which tubes are fixed) is equal to the O.D. of the tube upto 15 mm tube diameter; and for > 15 mm tube diameter, tube sheet thickness is smaller than tube diameter

O.D. of the tube is 6 to 40 mm while the tube lengths used are 0.5, 2.5, 3.0, 4.0, 5.0, 6 metres

All of these

Minimum cleaning lane of 6.5 mm is provided, when tubes are on a square pitch

Minimum tube sheet thickness (in which tubes are fixed) is equal to the O.D. of the tube upto 15 mm tube diameter; and for > 15 mm tube diameter, tube sheet thickness is smaller than tube diameter

O.D. of the tube is 6 to 40 mm while the tube lengths used are 0.5, 2.5, 3.0, 4.0, 5.0, 6 metres

All of these

Minimum cleaning lane of 6.5 mm is provided, when tubes are on a square pitch

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Process Equipment and Plant Design

Process Equipment and Plant Design For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Process Equipment and Plant Design In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

Process Equipment and Plant Design Generally, elliptical dished heads

Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm.

Process Equipment and Plant Design In case of design of a shell and tube heat exchanger,

Process Equipment and Plant Design
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

Process Equipment and Plant Design
Generally, elliptical dished heads

Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

Process Equipment and Plant Design
In case of design of a shell and tube heat exchanger,