Prepare for job tests, interviews, and competitive exams with comprehensive Chemical Engineering MCQs covering fundamentals, chemical processes, reactions, process control, instrumentation, and other core concepts for students and fresh graduates.

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.

Which of the following is not concerned with the fluid-particle interaction ?

A Drag co-efficient

B Froude number

C Galileo number

D Weber number

Review Detailed Answer

Correct Answer: Weber number

Fluidised beds are formed, when the__________________?

A Fluid friction is zero

B Gravity force is less than the fluid friction

C Pressure forces equal gravity forces

D Sum of the fluid friction and pressure forces is equal and opposite to gravity forces

Review Detailed Answer

Correct Answer: Gravity force is less than the fluid friction

The terminal velocity of a particle moving through a fluid varies as dp n. What is the value of n’ for Newton’s law regime ?

A 0.5

B 1

C 1.5

D 3

Review Detailed Answer

Correct Answer: 0.5

The inherent characteristic of an equal percentage valve relating flow rate ‘q’ with valve stem movement ‘x’ are described by the equation_________________?

A dq/dx = K

B dq/dx = K.q

C dq/dx = K/q

D dq/dx = Kq2

Review Detailed Answer

Correct Answer: dq/dx = K

Co-efficient of velocity is ___________________ the coefficient of discharge?

A Less than

B More than

C Equal to

D Not related to

Review Detailed Answer

Correct Answer: More than

A Rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and Rotameter shows the same reading, the flow rate (cc/sec) is__________________?

A 26

B 42

C 269

D 325

Review Detailed Answer

Correct Answer: 26

The terminal velocity of a small sphere settling in a viscous fluid varies as the___________________?

A First power of its diameter

B Inverse of the fluid viscosity

C Inverse square of the diameter

D Square of the difference in specific weights of solid & fluid

Review Detailed Answer

Correct Answer: Inverse of the fluid viscosity

For pipes that must be broken at intervals for maintenance, the connector used should be a/an__________________?

A Union

B Tee

C Reducer

D Elbow

Review Detailed Answer

Correct Answer: Union

A mono pump is a __________ pump ?

A Centrifugal

B Piston

C Positive acting rotary

D A group of vacuum

Review Detailed Answer

Correct Answer: Positive acting rotary

Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the___________________?

A Pipe length

B Fluid velocity in the pipe

C Time taken to close the valve

D All A., B. and C.

Review Detailed Answer

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following is not concerned with the fluid-particle interaction ?

Fluidised beds are formed, when the__________________?

The terminal velocity of a particle moving through a fluid varies as dp n. What is the value of n’ for Newton’s law regime ?

The inherent characteristic of an equal percentage valve relating flow rate ‘q’ with valve stem movement ‘x’ are described by the equation_________________?

Co-efficient of velocity is ___________________ the coefficient of discharge?

A Rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and Rotameter shows the same reading, the flow rate (cc/sec) is__________________?

The terminal velocity of a small sphere settling in a viscous fluid varies as the___________________?

For pipes that must be broken at intervals for maintenance, the connector used should be a/an__________________?

A mono pump is a __________ pump ?

Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the___________________?