A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

20

10

20

10

20

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Process Equipment and Plant Design
Filtration rate is affected by the

All of these

Cake & filter medium resistance

Area of filtering surface & the viscosity of filtrate

Pressure drop across the cake & filter medium

All of these

Cake & filter medium resistance

Area of filtering surface & the viscosity of filtrate

Pressure drop across the cake & filter medium

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Process Equipment and Plant Design
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

Accounts for the enthalpy changes in the process

Is more accurate in finding the number of equilibrium stages

All of these

Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method

Accounts for the enthalpy changes in the process

Is more accurate in finding the number of equilibrium stages

All of these

Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method

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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

None of these

Preventing the local overstressing of the shell around the opening

Making the joint leak proof

Reduction of discontinuity in shape at the junction

None of these

Preventing the local overstressing of the shell around the opening

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 the design of a sieve plate column.

Minimum recommended downcomer residence time for the disengagement of entrained vapour is the same for both foaming and non-foaming liquids, which is about 20 seconds

For segmental downcomers, the chord length is 60-80% of the column diameter. An initial value of downcomer area of 12% is taken in the design

An increased weir height improves the tray efficiency at the cost of high plate pressure drop; optimum wear height being 40-90 mm for column pressure above atmospheric and 6-12 mm for vacuum columns

Width of the calming section provided at the inlet and outlet sides of the plate is 75 mm for column diameter below 1.5 metres and 100 mm for larger diameter columns

Minimum recommended downcomer residence time for the disengagement of entrained vapour is the same for both foaming and non-foaming liquids, which is about 20 seconds

For segmental downcomers, the chord length is 60-80% of the column diameter. An initial value of downcomer area of 12% is taken in the design

An increased weir height improves the tray efficiency at the cost of high plate pressure drop; optimum wear height being 40-90 mm for column pressure above atmospheric and 6-12 mm for vacuum columns

Width of the calming section provided at the inlet and outlet sides of the plate is 75 mm for column diameter below 1.5 metres and 100 mm for larger diameter columns

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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.ρ/L

L/Z.H.ρ

H.ρ/L

Z.H/L.ρ

Z.H.ρ/L

L/Z.H.ρ

H.ρ/L

Z.H/L.ρ

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Process Equipment and Plant Design

Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design Filtration rate is affected by the

Process Equipment and Plant Design Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

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 the design of a sieve plate column.

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
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

Process Equipment and Plant Design
Filtration rate is affected by the

Process Equipment and Plant Design
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method

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 the design of a sieve plate column.

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.)