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Process Equipment and Plant Design

Process Equipment and Plant Design
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

None of these
Diamond
Chain
Zig-zag

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

19
16
28
38

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

None of these
Sieve plate
Bubble cap plate
Packed

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Filtering area & the pressure difference driving force
Cake & filter medium resistance
Viscosity of filtrate
Both A & B

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Process Equipment and Plant Design
Le/D for fully open globe value may be around

25
300
10
75

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Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

2
4
43834
43832

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