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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?

A 30°

B 45°

C 60°

D 75°

Review Detailed Answer

Correct Answer: 60°

Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder _________________?

A Has greater structural strength

B Is easy to fabricate

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?

A Increase

B Decrease

C Remain unaffected

D Increase or decrease depending on the nature of the dust

Review Detailed Answer

Correct Answer: Increase

“A claming section” before the liquid flows into the downcomer is provided to__________________?

A Permit release of entrained vapour in the liquid

B Reduce the discharge fluctuation

C Ensure better vapour-liquid contact

D Cool the liquid before it flows down

Review Detailed Answer

Correct Answer: Permit release of entrained vapour in the liquid

In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

A 0.5 to 1.5

B 2.5 to 4.0

C 5 to 10

D 10 to 15

Review Detailed Answer

Correct Answer: 2.5 to 4.0

In a shell and tube heat exchanger, tube side _______________ of the mass velocity?

A Heat transfer co-efficient is proportional to 0.8th power

B Pressure drop is proportional to the square

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

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

A S1/S2

B S1.S2

C S2/S1

D 1/S1.S2

Review Detailed Answer

Correct Answer: S1/S2

Which of the following packing materials provides for maximum mass transfer ?

A Raschig rings

B Raschig rings

C Cross-partition rings

D All give the same value

Review Detailed Answer

Correct Answer: Cross-partition rings

Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower ?

A Size, shape, orientation and surface of the packing particles

B Density and viscosity of fluids

C Fluid flow rates

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?

A 1.5 to 2

B 3 to 4

C 4 to 5

D > 5

Review Detailed Answer

Correct Answer: 1.5 to 2

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?

Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder _________________?

With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?

“A claming section” before the liquid flows into the downcomer is provided to__________________?

In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

In a shell and tube heat exchanger, tube side _______________ of the mass velocity?

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

Which of the following packing materials provides for maximum mass transfer ?

Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower ?

The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?