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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.

Softening of hardened steel is done by its____________________?

A Normalising

B Tempering

C Annealing

D Carburising

Review Detailed Answer

Correct Answer: Normalising

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the___________________?

A Length of the pipe

B Diameter of the pipe

C Density of the fluid

D Velocity of the fluid

Review Detailed Answer

Correct Answer: Length of the pipe

Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?

A Cold

B Work

C Age

D Induction

Review Detailed Answer

Correct Answer: Work

_____________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C ?

A Borosilicate

B High silica

C Supermax

D Lead

Review Detailed Answer

Correct Answer: Supermax

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ____________________?

A 1/k

B k

C k2

D 1/k2

Review Detailed Answer

Correct Answer: k

During sensible heating of humid air__________________?

A Relative humidity increases

B Dew point remains constant

C Dry bulb & wet bulb temperature increases

D Both B & C

Review Detailed Answer

Correct Answer: Both B & C

During sensible cooling of air, its wet bulb temperature ?

A Decreases but dew point remains constant

B Increases but dew point remains constant

C Increases & the dew point decreases

D Decreases & the dew point increases

Review Detailed Answer

Correct Answer: Increases but dew point remains constant

Function of gear box is to____________________?

A Reduce the speed

B Obtain variable speed

C Increase the speed

D Produce high torque

Review Detailed Answer

Correct Answer: Obtain variable speed

Carbon supply in pack carburising process is in the form of ___________________?

A Charcoal

B Calcium carbide

C Hydrocarbon oil

D Graphite

Review Detailed Answer

Correct Answer: Charcoal

Heat release during phase change is observed in case of a/an_________________?

A Boiler

B Condenser

C Evaporator

D All A. B. & C.

Review Detailed Answer

Correct Answer: Condenser

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Softening of hardened steel is done by its____________________?

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the___________________?

Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?

_____________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C ?

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ____________________?

During sensible heating of humid air__________________?

During sensible cooling of air, its wet bulb temperature ?

Function of gear box is to____________________?

Carbon supply in pack carburising process is in the form of ___________________?

Heat release during phase change is observed in case of a/an_________________?