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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.

What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system ?

A 1

B > 1

C < 1

D None of these

Review Detailed Answer

Correct Answer: 1

Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?

A Thermocouple

B Resistance thermometer

C Mercury in glass thermometer

D Vapor pressure thermometer

Review Detailed Answer

Correct Answer: Thermocouple

Time constant is the __________________?

A Time taken by the controlled variable to reach 63.2% of its full change

B Same as transportation lag

C Same as dead time

D Time required by the measured variable to reach 63.2% of its ultimate change

Review Detailed Answer

Correct Answer: Time taken by the controlled variable to reach 63.2% of its full change

The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C?

A 250

B 500

C 750

Review Detailed Answer

Correct Answer: 500

A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same_________________?

A Temperature measuring range (- 40°C to 450°C)

B Accuracy (± 1% of span)

C Speed of response

D All a, b & c

Review Detailed Answer

Correct Answer: All a, b & c

Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an _____________ pyrometer?

A Radiation

B Optical

C Photoelectric

D None of these

Review Detailed Answer

Correct Answer: Photoelectric

Positioning controllers are used for _______________?

A Low loads

B Temperature changes

C High loads

D Flow rate changes

Review Detailed Answer

Correct Answer: High loads

Reset rate is the another term used for ____________ time?

A Dead

B Integral

C Derivative

D None of these

Review Detailed Answer

Correct Answer: Integral

In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?

A Load

B Controlled

C Manipulated

D None of these

Review Detailed Answer

Correct Answer: Manipulated

The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?

A d

B d2

C d3

D d4

Review Detailed Answer

Correct Answer: d

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system ?

Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?

Time constant is the __________________?

The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C?

A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same_________________?

Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an _____________ pyrometer?

Positioning controllers are used for _______________?

Reset rate is the another term used for ____________ time?

In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?

The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?