Process Equipment And Plant Design MCQ Questions & Answers

Process Equipment And Plant Design MCQ Questions & Answers | Chemical Engineering

Learn Process Equipment And Plant Design MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Process Equipment And Plant Design MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-9 section-3

Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?

A) Sorel-Lewis method B) McCabe-Thiele's method C) Ponchon-Savarit method D) None of these

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Answer & Solution

Answer: Option A

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Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column.

A) Bubble cap trays though most expensive are the best in situations, where low vapour rates is to be handled and a positive liquid seal is essential at all flow rates B) Murphree efficiency of all the three trays are nearly equal, however the peak efficiency is generally higher for seive and valve trays than the bubble cap C) Maintenance cost for valve and seive trays are comparatively more than bubble cap tray due to their relatively complicated construction features D) Valve trays have the highest turn down ratio (i.e. the ratio of the highest to the lowest vapour flow rates) and thus provides the maximum flexible operating range

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Answer & Solution

Answer: Option C

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$$\frac{{{{\text{L}}_{\text{e}}}}}{{\text{D}}}$$ for fully open globe value may be around

A) 10 B) 25 C) 75 D) 300

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Answer & Solution

Answer: Option D

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In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

A) 2-3 B) 5-8 C) 10-15 D) 20-25

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Answer & Solution

Answer: Option B

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__________ shapedroof is the most commonly used roof for cylinderical storage tanks.

A) Conical B) Flat C) Dome D) Umbrella

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Answer & Solution

Answer: Option A

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Speed of industrial paddle agitator ranges from __________ rpm.

A) 1 to 5 B) 20 to 100 C) 500 to 750 D) 1000 to 2000

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Answer & Solution

Answer: Option B

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Which of the following lengths of heat exchanger tubes are normally not used in practice?

A) 2.5 metres B) 6 metres C) 10 metres D) 0.5 metre

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Answer & Solution

Answer: Option C

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Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support.

A) Lug B) Skirt C) Saddle D) Guy wire

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Answer & Solution

Answer: Option C

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__________ closure is the weakest enclosure for cylindrical vessels.

A) Hemispherical B) Torispherical C) Conical or flat plate D) Elliptical

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Answer & Solution

Answer: Option C

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The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than $${\frac{1}{5}^{{\text{th}}}}$$ the I.D. of the shell. Which of the following is not a function of the baffles?

A) To increase the residence time of shell side fluid B) To provide support to the tube bundle C) To reduce the induced vibration in the tubes D) To increase the tube side heat transfer co-efficient by inducing turbulence

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Answer & Solution

Answer: Option D

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