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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.

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

A Increase of pressure

B Increase of thermal conductivity

C Volumetric expansion

D Differential linear expansion

Review Detailed Answer

Correct Answer: Volumetric expansion

What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

A 1/(1 + GH)

B G/(1 + GH)

C H/(1 + GH)

D G/(1 – GH)

Review Detailed Answer

Correct Answer: G/(1 + GH)

Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

A 0.0001

B 0.001

C 0.01

D 0.1

Review Detailed Answer

Correct Answer: 0.001

The time constant of a first order process with resistance R and capacitance C is__________________?

A R + C

B R – C

C RC

D 1/RC

Review Detailed Answer

Correct Answer: RC

A bolometer is __________________?

A Used for the measurement of thermal radiation

B An element which senses optical input and delivers thermal output

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

The transfer function of a second order system is _____________________?

A 1/(T2s2 + 2ξTs + 1)

B 1/(T2s2 + 2Ts + 1)

C 1/(T2s2 + 2ξT + 1)

D None of these

Review Detailed Answer

Correct Answer: 1/(T2s2 + 2ξTs + 1)

Which of the following thermometers is not suitable for distant reading upto 60 metres ?

A Vapor pressure thermometer

B Mercury in glass thermometer

C Constant volume gas thermometer

D Resistance thermometer

Review Detailed Answer

Correct Answer: Mercury in glass thermometer

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?

A CO2

B N2

C O2

D CO

Review Detailed Answer

Correct Answer: CO2

Flow rate of a river is measured by a/an____________________?

A Pitot tube

B Vane meter

C Kennison nozzle

D Open weir

Review Detailed Answer

Correct Answer: Vane meter

Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?

A < 100

B < 0

C > 0

D > 800

Review Detailed Answer

Correct Answer: < 0

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

The time constant of a first order process with resistance R and capacitance C is__________________?

A bolometer is __________________?

The transfer function of a second order system is _____________________?

Which of the following thermometers is not suitable for distant reading upto 60 metres ?

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?

Flow rate of a river is measured by a/an____________________?

Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?