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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

All Topics  9594

For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a__________________?
A Large area but small mass
B High thermal conductivity
C Small specific heat
D All A , B & C
Correct Answer: All A , B & C
Liquid levels in autoclaves are measured by ________________?
A Simple float
B Differential float type manometer
C Glass gauge
D None of these
Correct Answer: Differential float type manometer
Which of the following is the dynamic characteristics of an instrument ?
A Reproducibility
B Sensitivity
C Dead zone
D Fidelity
Correct Answer: Fidelity
The amplitude ratio for the sinusoidal response of a _____________ is 1?
A First order system
B Second order system
C Transportation lag
D None of these
Correct Answer: Transportation lag
Which of following error integral is considered as the best criterion in controller settings ?
A ∫0 ∞ |e| dt
B ∫0 ∞ |e2| dt
C ∫0 ∞ e2 dt
D None of these
Correct Answer: ∫0 ∞ e2 dt
Zirconia probe is used for the continuous measurement of ______________ flue gases going out of the furnace?
A Oxygen in
B Carbon dioxide in
C Carbon monoxide in
D Temperature of
Correct Answer: Oxygen in
High temperature of around 2000°C of incandescent gas mantles is measured by a/an __________________?
A Specially designed thermocouple
B Optical pyrometer
C Radiation pyrometer
D None of these
Correct Answer: Radiation pyrometer
____________ is the static characteristics of an instrument?
A Response
B Tine lag
C Drift
D Dynamic error
Correct Answer: Drift
Pick out the wrong statement ?
A O2, NO and NO2 exhibit paramagnetic properties as a result of unpaired electrons
B CO2 is the strongest paramagnetic gas
C Paramagnetic susceptibility of gases decreases with temperature
D Paramagnetic susceptibility of gases permits the measurement of their concentration
Correct Answer: CO2 is the strongest paramagnetic gas
Process degree of freedom indicates _______________ number of controllers to be used?
A The maximum
B The minimum
C Both maximum and the minimum
D Nothing about the
Correct Answer: The maximum
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