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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.

Starting temperature of optical radiation pyrometer is ______________ °C?

A 800

B 400

C 1200

D 1500

Review Detailed Answer

Correct Answer: 800

Strain gage pressure transducers are used to measure _____________ pressures?

A Gage as well as vacuum

B Absolute as well as differential

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches ___________________?

A -1

B 0

C 1

D ∞

Review Detailed Answer

Correct Answer: ∞

A mercury barometer measures the _____________ pressure?

A Atmospheric

B Gauge

C Vacuum

D Absolute

Review Detailed Answer

Correct Answer: Atmospheric

The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?

A Depends only upon the open loop transfer function

B Determines its stability

C Is the same for set point or load changes

D All A , B & C.

Review Detailed Answer

Correct Answer: All A , B & C.

Response of a system to a sinusoidal input is called _____________ response?

A Impulse

B Unit step

C Frequency

D None of these

Review Detailed Answer

Correct Answer: Frequency

Polarograph is meant for the analysis of __________________?

A Gaseous mixture

B Miscible liquids

C Solids

D Isotopes

Review Detailed Answer

Correct Answer: Solids

Use of I-control along with P-control facilitates ?

A Elimination of offset

B Reduction of offset

C Reduction of stability time

D None of these

Review Detailed Answer

Correct Answer: Elimination of offset

Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?

A Platinum-platinum + rhodium

B Iron-constantan

C Chromel-constantan

D All will give the same output

Review Detailed Answer

Correct Answer: Chromel-constantan

For a feed back control system to be stable, the _________________?

A Roots of the characteristic equation should be real

B Poles of the closed loop transfer function should lie in the left half of the complex plane

C Bode plots of the corresponding open loop transfer function should monotonically decrease

D Poles of the closed loop transfer function should lie in the right half of the complex plane

Review Detailed Answer

Correct Answer: Poles of the closed loop transfer function should lie in the left half of the complex plane

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Starting temperature of optical radiation pyrometer is ______________ °C?

Strain gage pressure transducers are used to measure _____________ pressures?

The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches ___________________?

A mercury barometer measures the _____________ pressure?

The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?

Response of a system to a sinusoidal input is called _____________ response?

Polarograph is meant for the analysis of __________________?

Use of I-control along with P-control facilitates ?

Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?

For a feed back control system to be stable, the _________________?