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-1 section-2

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.

A) 2 B) $$\frac{1}{2}$$ C) 4 D) $$\frac{1}{4}$$

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Answer & Solution

Answer: Option C

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Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

A) Segmental baffle B) Flat plate extending across the wall C) Disk type baffle D) Helical type baffle

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Answer & Solution

Answer: Option B

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Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the

A) Relative volatility is close to one (e.g., separation of close boiling isomers) B) Feed is not at its bubble point C) Number of equilibrium stages in only stripping section is to be calculated D) Number of equilibrium stages required is likely to be very small

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Answer & Solution

Answer: Option A

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Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

A) Practical limit reached, due to low heat transfer rate because of inadequate temperature difference B) Economic limit reached, when the plant cost exceeds the saving of steam C) Both A & B D) Neither A nor B

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Answer & Solution

Answer: Option C

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Pick out the wrong statement

A) For all the cylindrical process vessels operating above atmospheric pressure, formed heads are used for closing the vessel B) Fouling factor of river water is less than that of sea water C) Risers provided in bubble cap trays in the distillation column facilitate the flow of both liquid and vapor D) Both B and C

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Answer & Solution

Answer: Option D

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Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

A) d B) $$\sqrt {\text{d}} $$ C) $$\sqrt {2\pi {\text{d}}} $$ D) $$\sqrt {2{\text{d}}} $$

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Answer & Solution

Answer: Option A

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Lap joints are preferred for plates having thickness __________ mm.

A) < 12.5 B) > 3 C) > 5 D) 5-10

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Answer & Solution

Answer: Option B

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Diameter of the seive tray column is determined by the

A) Lower limit of vapour velocity B) Upper limit of the vapour velocity C) Hole diameter of the seive tray D) Height of the plate spacing

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Answer & Solution

Answer: Option B

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Baffles may be eliminated for

A) Low viscosity liquids (< 200 poise) B) High viscosity liquids (> 600 poise) C) Large diameter tanks D) None of these

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Answer & Solution

Answer: Option B

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__________ is the determining factor for the number of bubble caps to be used per tray.

A) Permissible slot velocity B) Tray diameter C) Liquid load D) Vapor load

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Answer & Solution

Answer: Option A

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