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31
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.
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Answer: Option B
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32
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress.
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Answer: Option D
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33
Normal screwed fittings are used for pipes upto a diameter of __________ inches.
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Answer: Option B
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34
Reflux ratio variation in a distillation column is between
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Answer: Option C
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35
In a bag filter, the pressure drop increases directly as the
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Answer: Option B
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36
Which of the following is the best tube material from thermal conductivity point of view alone?
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Answer: Option C
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37
In a heat exchanger, shell side fluid velocity can be changed by changing the tube
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Answer: Option C
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38
Bubble cap tray is the most commonly used tray in large distillation column, because
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Answer: Option A
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39
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)
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Answer: Option B
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40
What is the value of 'q' for saturated vapor feed to a distillation column ?
(where q = fraction of the feed stream that is liquid.)
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Answer: Option A
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