Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 0.0176G0.37

1.004G0.8

HG = 1.004G0.37

0.0176G1.37

HG = 0.0176G0.37

1.004G0.8

HG = 1.004G0.37

0.0176G1.37

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Process Equipment and Plant Design
The force due to wind load acting on a tall vessel depends upon its

Outside diameter

Shape

Height

All of these

Outside diameter

Shape

Height

All of these

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Process Equipment and Plant Design
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Three fourth

Half

Equal to

One fourth

Three fourth

Half

Equal to

One fourth

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Process Equipment and Plant Design
When one of the fluids is highly corrosive and has fouling tendency, it should

Preferably flow inside the tube for its easier internal cleaning

Flow at a very slow velocity

Perferably flow outside the tube

Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current

Preferably flow inside the tube for its easier internal cleaning

Flow at a very slow velocity

Perferably flow outside the tube

Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current

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Process Equipment and Plant Design
The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the

Equal sized reactors are the best

Smaller reactor should come first

Larger reactor should come first

None of these

Equal sized reactors are the best

Smaller reactor should come first

Larger reactor should come first

None of these

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Aa = Sa

Aa = 1.5 Sa

1.2 Aa = 1.2 Sa

Sa = 1.5 Aa

Aa = Sa

Aa = 1.5 Sa

1.2 Aa = 1.2 Sa

Sa = 1.5 Aa

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Process Equipment and Plant Design

Process Equipment and Plant Design The force due to wind load acting on a tall vessel depends upon its

Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should

Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the

Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Process Equipment and Plant Design
The force due to wind load acting on a tall vessel depends upon its

Process Equipment and Plant Design
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Process Equipment and Plant Design
When one of the fluids is highly corrosive and has fouling tendency, it should

Process Equipment and Plant Design
The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the

Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)