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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.

In Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the ______________ of its diameter?

A Inverse

B Square root

C Second power

D First power

Review Detailed Answer

Correct Answer: Square root

Which of the following is an undesirable property of a manometric liquid ?

A Non-sticky & non-corrosive nature

B High vapour pressure

C Low viscosity & surface tension

D Low co-efficient of thermal expansion

Review Detailed Answer

Correct Answer: High vapour pressure

With a constant diameter impeller of a centrifugal pump _____________________?

A Its capacity varies directly as the square of speed

B Head varies as the square of speed

C Horsepower input varies as the square of speed

D Head varies as the speed

Review Detailed Answer

Correct Answer: Head varies as the square of speed

Maintenance cost of a ______________ pump for a particular duty is the least?

A Centrifugal

B Reciprocating

C Volute

D Gear

Review Detailed Answer

Correct Answer: Centrifugal

Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an ________________?

A Pitot tube

B Venturimeter

C Orificemeter

D Rotameter

Review Detailed Answer

Correct Answer: Pitot tube

N. second/m2 is___________________?

A The S.I. unit of dynamic viscosity

B The S.I. unit of kinematic viscosity

C Equivalent to one poise

D Equivalent to one stoke

Review Detailed Answer

Correct Answer: The S.I. unit of dynamic viscosity

The dimension of surface tension is________________?

A ML-2

B MT-2

C MLT-2

D ML-2T

Review Detailed Answer

Correct Answer: MT-2

Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will_______________?

A Increase

B Decrease

C Remain unchanged

D Increase or decrease depending on the pipe material

Review Detailed Answer

Correct Answer: Increase

It is possible to integrate an automatic flow controller to a________________?

A Flow nozzle

B Venturimeter

C Rotameter

D None of these

Review Detailed Answer

Correct Answer: Rotameter

The unit of bulk modulus of elasticity for a liquid in S.I. unit is____________________?

A N

B N/m

C N/m2

D N/m3

Review Detailed Answer

Correct Answer: N

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the ______________ of its diameter?

Which of the following is an undesirable property of a manometric liquid ?

With a constant diameter impeller of a centrifugal pump _____________________?

Maintenance cost of a ______________ pump for a particular duty is the least?

Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an ________________?

N. second/m2 is___________________?

The dimension of surface tension is________________?

Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will_______________?

It is possible to integrate an automatic flow controller to a________________?

The unit of bulk modulus of elasticity for a liquid in S.I. unit is____________________?