To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)3/2

(1.2)5/3

(1.2)2/3

(1.2)3/5

(1.2)3/2

(1.2)5/3

(1.2)2/3

(1.2)3/5

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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

L/Z.H.ρ

Z.H.ρ/L

H.ρ/L

Z.H/L.ρ

L/Z.H.ρ

Z.H.ρ/L

H.ρ/L

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Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Static submergence

Allowable vapour velocity

Number of theorectical plates

Length of straight rectangular weir on cross-flow tray

Static submergence

Allowable vapour velocity

Number of theorectical plates

Length of straight rectangular weir on cross-flow tray

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Process Equipment and Plant Design
The LMTD correction factor (FT) is applied in __________ heat exchangers.

All of these

Double pipe

All multipass

1-1 cocurrent

All of these

Double pipe

All multipass

1-1 cocurrent

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Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Segmental baffle

Flat plate extending across the wall

Disk type baffle

Helical type baffle

Segmental baffle

Flat plate extending across the wall

Disk type baffle

Helical type baffle

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

No

Positive

None of these

Negative

No

Positive

None of these

Negative

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Process Equipment and Plant Design

Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

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 Which of the following is used to set the diameter of the distillation column?

Process Equipment and Plant Design The LMTD correction factor (FT) is applied in __________ heat exchangers.

Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

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
Which of the following is used to set the diameter of the distillation column?

Process Equipment and Plant Design
The LMTD correction factor (FT) is applied in __________ heat exchangers.

Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.