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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

Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C ?
A Mercury thermometer
B Bimetallic thermometer
C Radiation pyrometer
D None of these
Correct Answer: Bimetallic thermometer
What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple ?
A 0.1
B 3
C 13
D 29
Correct Answer: 3
Cascade control means _______________?
A Feed forward control
B More than one feed-back loop
C On-off control
D One feed-back loop
Correct Answer: More than one feed-back loop
In Bode plot, φ vs. ω is plotted on a/an ______________ graph paper?
A log-log
B Ordinary
C Semi-log
D Triangular
Correct Answer: log-log
Which of the following thermocouples has the widest temperature measurement range ?
A Iron-constantan
B Chromel-alumel
C Copper-constantan
D Platinum-platinum/rhodium
Correct Answer: Platinum-platinum/rhodium
The thermal emf-temperature relationship of most thermocouples is_________________?
A Linear
B Parabolic
C Exponential
D Square root
Correct Answer: Parabolic
_____________ is an example of distributed parameter system ?
A Tubular reactor
B CSTR
C On-off controller
D None of these
Correct Answer: Tubular reactor
Which of the following can measure temperatures in the range of – 20 to 300°C ?
A Mercury in glass thermometer
B Vapor pressure thermometer
C Resistance thermometer
D None of these
Correct Answer: None of these
The level of a liquid under pressure can be determined using___________________?
A Bubbler system
B Differential pressure manometer
C Diaphragm box system
D Air-trap system
Correct Answer: Differential pressure manometer
In Bode plot, A.R. vs. w is plotted on a/an _____________ graph paper?
A Log-lag
B Triangular
C Ordinary
D Semi-log
Correct Answer: Log-lag
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