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Process Control And Instrumentation MCQ Questions & Answers | Chemical Engineering

Learn Process Control And Instrumentation MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Process Control And Instrumentation MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-4 section-3

Each section contains 100 MCQs on Process Control and Instrumentation .
31
Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by
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Answer & Solution
Answer: Option D
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32
Psychrometer determines the
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Answer & Solution
Answer: Option A
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33
Temperature of __________ can not be measured by an optical or radiation pyrometer.
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Answer: Option A
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34
The characteristic equation for the control system with a closed loop transfer function $$\frac{{{{\text{G}}_1}}}{{1 + {{\text{G}}_2}}}$$  is given by $$1 + {{\text{G}}_2} = 0$$   The characteristic equation for the control system
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Answer & Solution
Answer: Option D
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35
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?
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Answer: Option B
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36
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are
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Answer: Option C
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37
The temperature range for which copper resistance thermometer can be used is __________ °C
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Answer: Option B
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38
Number of poles in a system with transfer function $$\frac{1}{{{{\text{s}}^2} + 2{{\text{s}}^2} + 1}}$$   is
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Answer: Option C
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39
Bourdon gauges are used for measuring pressure (kg/cm² )
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Answer: Option B
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40
Which of the following is an undesirable dynamic characteristic of an instrument?
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Answer: Option C
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