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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

None of these
Increases
Remains same
Decreases

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Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

45
95
80
60

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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
Number of theorectical plates
Allowable vapour velocity
Length of straight rectangular weir on cross-flow tray

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

More than
Both B and C
Not greater than
Not less than one fifth of

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Πd/4P²
4(P² - πd²/4)/πd
4P²/πd
(P² - πd²/4)/πd

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Process Equipment and Plant Design
Filtration rate is affected by the

Pressure drop across the cake & filter medium
Cake & filter medium resistance
All of these
Area of filtering surface & the viscosity of filtrate

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