Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

None of these

Maximum permissible vapour velocity

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Flooding limit of the column

None of these

Maximum permissible vapour velocity

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Flooding limit of the column

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Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

43833

0.01 - 0.5

0.07 - 0.12

0.5 - 1.0

43833

0.01 - 0.5

0.07 - 0.12

0.5 - 1.0

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

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

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

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

All of these

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

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

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

All of these

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Process Equipment and Plant Design
What is the slope of the feed line, if the feed to a distillation column is a saturated liquid?

∞

> 1

< 1

∞

> 1

< 1

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Downtake is formed by the annular space between the bundle and the shell

It is used for high viscosity liquor having large rate of scaling

There is no central downtake

The tube bundle is suspended on bracket

Downtake is formed by the annular space between the bundle and the shell

It is used for high viscosity liquor having large rate of scaling

There is no central downtake

The tube bundle is suspended on bracket

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

1000

300

600

1500

1000

300

600

1500

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Process Equipment and Plant Design

Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design Pressure drop per tray in the atmospheric distillation column is about __________ psi.

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

Process Equipment and Plant Design What is the slope of the feed line, if the feed to a distillation column is a saturated liquid?

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

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

Process Equipment and Plant Design
What is the slope of the feed line, if the feed to a distillation column is a saturated liquid?

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.