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.

The ____________ is measured by a piezometric opening?

A Dynamic pressure

B Static pressure

C Total pressure

D Point velocity

Review Detailed Answer

Correct Answer: Total pressure

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The ____________ is measured by a piezometric opening?

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 ?