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11
The dust collection efficiency of electrostatic precipitator increases with increase in the
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Answer: Option B
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12
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
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Answer: Option B
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13
The minimum baffle height should be
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Answer: Option B
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14
Movement of pipeline caused by thermal expansion is taken care by providing
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Answer: Option D
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15
What is the slope of the operating line in the stripping section of a distillation column?
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Answer: Option C
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16
Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the
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Answer: Option B
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17
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.
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Answer: Option C
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18
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.
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Answer: Option A
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19
A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the
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Answer: Option A
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20
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.
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Answer: Option C
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