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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.

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) ?

A 0.2 D

B 0.5 D

C 0.66 D

D 0.80 D

Review Detailed Answer

Correct Answer: 0.2 D

The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?

A Downcomer liquid seal

B Static submergence

C Skirt clearance

D None of these

Review Detailed Answer

Correct Answer: Static submergence

With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?

A Decreases very rapidly

B Increases very rapidly

C Remains constant

D Increases linearly

Review Detailed Answer

Correct Answer: Decreases very rapidly

Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?

A 0.1 to 0.25

B 0.3 to 0.5

C 0.5 to 0.6

D 0.65 to 0.80

Review Detailed Answer

Correct Answer: 0.1 to 0.25

Bubble cap plate column is___________________?

A A finite stage contactor

B Used only for distillation, not for absorption

C A differential stage contactor

D A continuous contactor

Review Detailed Answer

Correct Answer: A finite stage contactor

Shortest distance between two tubes is___________________?

A Called tube pitch

B Called tube clearance

C More in case of triangular pitch as compared to square pitch of tube layout

D None of these

Review Detailed Answer

Correct Answer: Called tube clearance

Rivets are generally specified by the____________________?

A Head diameter

B Shank diameter

C Overall length

D None of these

Review Detailed Answer

Correct Answer: Shank diameter

If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?

A Increase by 1.8

B Decrease by 22

C Increase by 21.6

D None of these

Review Detailed Answer

Correct Answer: Increase by 21.6

For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?

A 1 to 1.5

B 2.5 to 3.5

C 4 to 5

D 6 to 8

Review Detailed Answer

Correct Answer: 1 to 1.5

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

Review Detailed Answer

Correct Answer: Sorel-Lewis method

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) ?

The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?

With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?

Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?

Bubble cap plate column is___________________?

Shortest distance between two tubes is___________________?

Rivets are generally specified by the____________________?

If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?

For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?

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 ?