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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.

For pipe flows, head is proportional to ______________ at constant capacity (where D = pipe diameter) ?

A 1/D

B 1/D2

C 1/D5

D D2

Review Detailed Answer

Correct Answer: 1/D

Which of the following is used to set the diameter of the distillation column ?

A Number of theoretical plates

B Static submergence

C Allowable vapour velocity

D Length of straight rectangular weir on cross-flow tray

Review Detailed Answer

Correct Answer: Allowable vapour velocity

The dust collection efficiency of electrostatic precipitator increases with increase in the_________________?

A Gas flow rate

B Electrode area

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Electrode area

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

Review Detailed Answer

Correct Answer: If its diameter is less than 15-20metres

Spherical shaped pressure vessel is considered to be the most ideal, because it can___________________?

A Withstand higher pressure for a given metallic shell thickness

B Be fabricated very easily

C Be designed without wind load considerations

D Be supported very easily

Review Detailed Answer

Correct Answer: Withstand higher pressure for a given metallic shell thickness

Rotary driers are most economically designed for the number of heat transfer units (HTU) from _________________?

A 0.01 to 1

B 1.5 to 2.5

C 5 to 10

D 10 to 20

Review Detailed Answer

Correct Answer: 1.5 to 2.5

Baffle width is normally taken as ______________ times the tank diameter?

A 0.1-0.12

B 0.4-0.5

C 0.45-0.6

D 0.2-0.45

Review Detailed Answer

Correct Answer: 0.1-0.12

Vertical vessels are not supported by____________________?

A Brackets

B Skirts

C Columns

D Saddles

Review Detailed Answer

Correct Answer: Saddles

The units of Young’s modulus of elasticity and ________________ are the same?

A Strain

B Stress

C Modular ratio

D None of these

Review Detailed Answer

Correct Answer: Stress

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?

A Tube dia is 3-6 cms, while tube length in 3-6 metres

B Steam is fed to the shell, whereas the liquor is filled inside the tube

C Liquor level is maintained at 1/3rd to 1/2 of the height of the tube

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

For pipe flows, head is proportional to ______________ at constant capacity (where D = pipe diameter) ?

Which of the following is used to set the diameter of the distillation column ?

The dust collection efficiency of electrostatic precipitator increases with increase in the_________________?

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

Spherical shaped pressure vessel is considered to be the most ideal, because it can___________________?

Rotary driers are most economically designed for the number of heat transfer units (HTU) from _________________?

Baffle width is normally taken as ______________ times the tank diameter?

Vertical vessels are not supported by____________________?

The units of Young’s modulus of elasticity and ________________ are the same?

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?