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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.

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?

A 1/μ

B μ

C μ2

D 1/μ2

Review Detailed Answer

Correct Answer: μ

Which of the following equations is valid for laminar flow of a fluid through packed bed ?

A Fanning equation

B Kozeny – Karman equation

C Hagen-Poiseuille equation

D Blake-Plummer equation

Review Detailed Answer

Correct Answer: Kozeny – Karman equation

A piezometer provided in the pipe measures__________________?

A Friction factor

B Static pressure

C Dynamic pressure

D None of these

Review Detailed Answer

Correct Answer: Static pressure

Drag force on the float of a Rotameter is (where Q = flow rate of the)__________________?

A ∝ Q

B ∝ √Q

C ∝ Q2

D Constant

Review Detailed Answer

Correct Answer: Constant

Toothpaste is a__________________?

A Bingham plastic

B Pseudo-plastic

C Newtonian liquid

D Dilatent

Review Detailed Answer

Correct Answer: Dilatent

In a dry packed bed, the pressure drop will be changed by increasing the flow rate as__________________?

A V1.8

B V-0.8

C V

D V-1

Review Detailed Answer

Correct Answer: V1.8

Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

A The length of entrance region of pipe, in which full development of fluid flow takes place

B Transition length for laminar flow of Newtonian fluids in a pipe of diameter ‘d’ is equal to

C Transition length for turbulent flow of Newtonian fluids in a smooth pipe of diameter ‘d’ is

D All A., B. and C.

Review Detailed Answer

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

Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?

A Archimedes principle

B Newton’s second law of motion

C Hooke’s law

D Newton’s third law of motion

Review Detailed Answer

Correct Answer: Hooke’s law

Which of the following is used for very accurate measurement of flow of gas at low velocity ?

A Pitot tube

B Rotameter

C Segmental orificemeter

D Hot wire anemometer

Review Detailed Answer

Correct Answer: Hot wire anemometer

The speed of a sound wave in a gas is analogous to the speed of ______________________?

A An elementary wave in an open channel

B Flow in an open channel

C A disturbance travelling upstream in moving fluid

D None of these

Review Detailed Answer

Correct Answer: An elementary wave in an open channel

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?

Which of the following equations is valid for laminar flow of a fluid through packed bed ?

A piezometer provided in the pipe measures__________________?

Drag force on the float of a Rotameter is (where Q = flow rate of the)__________________?

Toothpaste is a__________________?

In a dry packed bed, the pressure drop will be changed by increasing the flow rate as__________________?

Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?

Which of the following is used for very accurate measurement of flow of gas at low velocity ?

The speed of a sound wave in a gas is analogous to the speed of ______________________?