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Process Equipment and Plant Design

Process Equipment and Plant Design
A rivetted joint does not fail by __________ of rivets.

Shearing
None of these
Tearing
Tearing of the plate across a row

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 3 Q0.36 . ρ1.86 μ0.08
Di, opt = 7.6 Q0.36 . ρ0.9
Di, opt = 3 Q0.36 ρ0.18
Di, opt = 3.9 Q0.45 . ρ0.23

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Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

More than
Either B or C; depends on maximum permissible internal pressure
Less than
Equal to

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Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Gas density
All of these
Fibre selection
Gas viscosity

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

May increase or decrease depending upon the solubility of the gas in the liquid
Decreases
Remains same
Increases

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

All of these
Skirt clearance for bubble caps
Downcomer liquid seal in case of a balanced tray design
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

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