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Process Equipment and Plant Design

Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Electrode area
Both A & B
Gas flow rate
Neither A nor B

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Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Same
Higher
Unpredictable
Lower

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Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

0.2-0.5
1.2-1.5
0.1-0.2
0.4-0.9

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

None of these
Hemispherical
Elliptical
Torispherical

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/64 and 1/8
1/2 and 8
1/8 and 1/64
1/2 and 5

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D²
D²
1/D
1/D⁵

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