MCQsDrive | MCQsDrive

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.

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ?

A ηma × ηm × ηv = ηo

B ηm = ηv . ηma

C ηma = ηm × ηv

D ηv = ηm × ηma

Review Detailed Answer

Correct Answer: ηm = ηv . ηma

For ideally incompressible fluid, the Mach number will be __________________?

A 1.5

B 1

C 0

D 5

Review Detailed Answer

Correct Answer: 1

The specific speed of a pump is defined as the speed of a unit of such a size, that it__________________?

A Delivers unit discharge at unit head

B Requires unit power for unit head

C Delivers unit discharge at unit power

D None of these

Review Detailed Answer

Correct Answer: Delivers unit discharge at unit head

What is the normal range of exit cone angle of a Venturimeter ?

A 2 to 5

B 7 to 15

C 15 to 25

D >25

Review Detailed Answer

Correct Answer: 7 to 15

Centrifugal pump is normally classified on the basis of the________________?

A rpm

B Type of casing

C Impeller blade angle

D Number of blades in impeller

Review Detailed Answer

Correct Answer: Type of casing

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as_______________?

A Evaporation

B Cavitation

C Sublimation

D Stripping

Review Detailed Answer

Correct Answer: Cavitation

Centre of pressure in an immersed body is ______________ the centre of gravity?

A Above

B Below

C At

D Either above or below; depends on the liquid density

Review Detailed Answer

Correct Answer: Below

Re/NFr is called the _____________ number?

A Brinkman

B Galileo

C Archimedes

D Euler

Review Detailed Answer

Correct Answer: Galileo

Drag force acting on a body does not depend upon the____________________?

A Density of the fluid

B Density of the body

C Velocity of the body

D Projected area of the body

Review Detailed Answer

Correct Answer: Density of the body

The dimension of kinematic viscosity is_________________?

A ML-2T-1

B L2T-1

C ML-2T-2

D None of these

Review Detailed Answer

Correct Answer: L2T-1

Showing 531 to 540 of 742 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ?

For ideally incompressible fluid, the Mach number will be __________________?

The specific speed of a pump is defined as the speed of a unit of such a size, that it__________________?

What is the normal range of exit cone angle of a Venturimeter ?

Centrifugal pump is normally classified on the basis of the________________?

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as_______________?

Centre of pressure in an immersed body is ______________ the centre of gravity?

Re/NFr is called the _____________ number?

Drag force acting on a body does not depend upon the____________________?

The dimension of kinematic viscosity is_________________?