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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.

Which of the following is not a mechanical pressure sensing element ?

A Bellows

B Diaphragm

C Bourdon tube

D U-tube

Review Detailed Answer

Correct Answer: U-tube

The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an _____________ thermocouple?

A Chromel-alumel

B Iron-constantan

C Platinum-platinum/rhodium

D None of these

Review Detailed Answer

Correct Answer: Iron-constantan

Thermal conductivity cell is the primary element of a/an _____________ analyser?

A Oxygen

B Carbon dioxide

C Carbon monoxide

D Sulphur dioxide

Review Detailed Answer

Correct Answer: Carbon dioxide

The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?

A Linear

B Non-linear

C Parabolic

D Hyperbolic

Review Detailed Answer

Correct Answer: Linear

For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?

A 2/s2

B 4/s2

C 2/s3

D 4/s3

Review Detailed Answer

Correct Answer: 4/s3

Bode stability method uses ____________ loop transfer function?

A Open

B Closed

C Either A. or B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Open

The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?

A Has a non-zero slope at the origin

B Has a damped oscillatory characteristics

C Is overdamped

D Is unstable

Review Detailed Answer

Correct Answer: Has a damped oscillatory characteristics

The operation of a Rotameter is based on ________________?

A Variable flow area

B Rotation of a turbine

C Pressure drop across a nozzle

D Pressure at a stagnation point

Review Detailed Answer

Correct Answer: Variable flow area

Which of the following fluid flow measuring devices can measure the largest flow rate ?

A V-notch

B Rotameter

C Orificemeter

D Weir

Review Detailed Answer

Correct Answer: Weir

Which of the systems having the following transfer function is stable ?

A 1/(S2 + 2)

B 1/(S2 – 2S + 3)

C 1/(S2 + 2S + 2)

D exp (-20 S)/(S2 + 2S – 1)

Review Detailed Answer

Correct Answer: 1/(S2 + 2S + 2)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following is not a mechanical pressure sensing element ?

The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an _____________ thermocouple?

Thermal conductivity cell is the primary element of a/an _____________ analyser?

The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?

For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?

Bode stability method uses ____________ loop transfer function?

The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?

The operation of a Rotameter is based on ________________?

Which of the following fluid flow measuring devices can measure the largest flow rate ?

Which of the systems having the following transfer function is stable ?