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
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.

1500

1000

600

300

1500

1000

600

300

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

16

38

19

28

16

38

19

28

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the distillation column.

The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

If sufficient slot area is not provided, the gas may pass through the skirt clearance

Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up

None of these

The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

If sufficient slot area is not provided, the gas may pass through the skirt clearance

Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up

None of these

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Process Equipment and Plant Design
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively)

More than that for fluid flow

Same as that for fluid flow

Less than that for fluid flow

D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively)

More than that for fluid flow

Same as that for fluid flow

Less than that for fluid flow

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Process Equipment and Plant Design
An underdesigned steam trap will

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

None of these

Waste steam

Destroy itself of acceleration wear due to rapid recycling

Back up condensate and cause water hammer in steam line

None of these

Waste steam

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

35-40

43961

15-20

30-35

35-40

43961

15-20

30-35

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Process Equipment and Plant Design

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 Pick out the wrong statement pertaining to the design of the distillation column.

Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Process Equipment and Plant Design An underdesigned steam trap will

Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

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
Pick out the wrong statement pertaining to the design of the distillation column.

Process Equipment and Plant Design
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Process Equipment and Plant Design
An underdesigned steam trap will

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.