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-1

The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

A) 0.6-0.8 times B) Equal to C) Twice D) 2 ft irrespective of (for column > 3 ft diameter)

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Answer & Solution

Answer: Option A

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Overall distillation column efficiency for most of the refinery columns can be given by (for $$\mu $$ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % $$\mu $$ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi)

A) η = 17 - 61.1 log $$\mu $$ B) η = 24.6 $$\frac{{\Delta {\text{p}}}}{\mu }$$ C) η = 1.66 - 0.25 log $$\mu $$ D) η = 0.25 log $$\mu $$ - 1.67

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Answer: Option A

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The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

A) $$\frac{{{{\text{S}}_1}}}{{{{\text{S}}_2}}}$$ B) $${{\text{S}}_1}.{{\text{S}}_2}$$ C) $$\frac{{{{\text{S}}_2}}}{{{{\text{S}}_1}}}$$ D) $$\frac{1}{{{{\text{S}}_1}.{{\text{S}}_2}}}$$

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Answer: Option A

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A cylindrical storage tank can have a self supported conical roof,

A) If its diameter is less than 15-20metres B) If its diameter is more than 50 meters C) If the thickness of the roof is more than that of the cylindrical shell D) Irrespective of its diameter

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Answer: Option A

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A stuffing box is used for

A) Absorbing the contraction/expansion of pipeline due to temperature changes B) Prevention of fluid leakage around moving parts C) Facilitating smooth opening and closing of a valve D) Reducing the resistance of fluid flow

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Answer: Option B

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The force due to wind load acting on a tall vessel depends upon its

A) Shape B) Outside diameter C) Height D) All of the above

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Answer: Option D

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Maximum acceptable total liquid gradient over a tray is about __________ mm.

A) 5.5 B) 12.5 C) 30.5 D) 45.5

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Answer: Option B

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Scale up problem in design based on the similarity concept takes into account __________ similarity.

A) Geometrical B) Kinematic C) Dynamic D) All of the above

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Answer: Option D

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The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

A) 5 to 10 B) 15 to 30 C) 40 to 50 D) 55 to 75

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Answer: Option B

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The buckling tendency of compression members is always in the direction of the

A) Least radius of gyration B) Axis of the load C) Perpendicular to the axis of the load D) None of these

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Answer: Option A

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