Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

52-68

43929

17-34

88-105

52-68

43929

17-34

88-105

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Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

None of these

Density of the gas, but is independent of the viscosity of the gas

Viscosity of the gas and inversely as density of the gas

Density of the gas and inversely as viscosity of the gas

None of these

Density of the gas, but is independent of the viscosity of the gas

Viscosity of the gas and inversely as density of the gas

Density of the gas and inversely as viscosity of the gas

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Z.H/L.ρ

H.ρ/L

L/Z.H.ρ

Z.H.ρ/L

Z.H/L.ρ

H.ρ/L

L/Z.H.ρ

Z.H.ρ/L

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

An increase in relatived volatility for rectification columns

An increase in liquid viscosity

All of these

Decrease in gas solubility for absorbers

An increase in relatived volatility for rectification columns

An increase in liquid viscosity

All of these

Decrease in gas solubility for absorbers

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Process Equipment and Plant Design
Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

Preventing the local overstressing of the shell around the opening

None of these

Making the joint leak proof

Reduction of discontinuity in shape at the junction

Preventing the local overstressing of the shell around the opening

None of these

Making the joint leak proof

Reduction of discontinuity in shape at the junction

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Process Equipment and Plant Design
Pick out the wrong statement about distillation operation

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

Distillation under vacuum is a substitute for steam distillation

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation

Flash distillation, differential distillation & steam distillation are all continuous distillation processes

Distillation under vacuum is a substitute for steam distillation

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other

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Process Equipment and Plant Design

Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

Process Equipment and Plant Design In a bag filter, the pressure drop increases directly as the

Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

Process Equipment and Plant Design Pick out the wrong statement about distillation operation

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design
Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

Process Equipment and Plant Design
Pick out the wrong statement about distillation operation