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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.

Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is __________________?

A Water

B Carbon tetrachloride

C Paraffin

D Ethylene glycol

Review Detailed Answer

Correct Answer: Paraffin

Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit ?

A Seebeck effect

B Peltier effect

C Joule heating effect

D Thomson effect

Review Detailed Answer

Correct Answer: Peltier effect

The term analogous to the electrical current in a thermal system is the_________________?

A Temperature difference

B Heat flow rate

C Heat content in the system

D None of these

Review Detailed Answer

Correct Answer: Heat flow rate

The open loop transfer function of a control system is KR/(1 + TS). This represents ______________?

A A first order system

B Dead time system

C A first order time lag

D A second order system

Review Detailed Answer

Correct Answer: A first order system

Dilute wine was used as a thermometric liquid initially to develop temperature scale. First empirical temperature scale developed was the _____________ scale?

A Kelvin

B Centigrade

C Fahrenheit

D Reaumer

Review Detailed Answer

Correct Answer: Fahrenheit

____________ are analysed using a Polarograph?

A Isotonic solutions

B Solids

C Liquids

D Gases

Review Detailed Answer

Correct Answer: Solids

Polarisation of light forms the working principle of a______________?

A Polarimeter

B Polarograph

C Chromatograph

D Spectrometer

Review Detailed Answer

Correct Answer: Polarimeter

The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.) ?

A Kc(1 + ηis + ηD ). s

B Kc[1 + (1/ηis) + ηD . s)

C Kc(1 + ηis + (1/ηD . s)

D None of these

Review Detailed Answer

Correct Answer: Kc[1 + (1/ηis) + ηD . s)

Stalagmometer is used for the measurement of__________________?

A Kinematic viscosity

B Surface tension

C Refractive index

D Optical activity

Review Detailed Answer

Correct Answer: Surface tension

Gas analysis is commonly done using the___________________?

A Thermal conductivity cell

B X-ray diffraction

C Mass spectrometer

D Emission spectrometer

Review Detailed Answer

Correct Answer: Thermal conductivity cell

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is __________________?

Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit ?

The term analogous to the electrical current in a thermal system is the_________________?

The open loop transfer function of a control system is KR/(1 + TS). This represents ______________?

Dilute wine was used as a thermometric liquid initially to develop temperature scale. First empirical temperature scale developed was the _____________ scale?

____________ are analysed using a Polarograph?

Polarisation of light forms the working principle of a______________?

The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.) ?

Stalagmometer is used for the measurement of__________________?

Gas analysis is commonly done using the___________________?