Hello students welcome to msbte news in this article we have provided 22407 Process Control and Instrumentation Mcq Question Bank. This Process Control and Instrumentation Objective Questions is ideal for Students who are in Second Year of Diploma in Chemical Engineering courses. By referring Instrumentation and Process Control Mcq Pdf for Diploma you will get to know about the paper pattern of Msbte Mcq Winter 2021 exams.

with this Mcq on Process Control and Instrumentation Engineering 3rd year students can practice for their upcoming Winter 2021 exams. In this Instrumentation and Process Control Multiple Choice Question we have selected 30 important questions from previous year papers. We have Given Instrumentation and Process Control Pdf Download Link Below Feel Free to Download and Learn.

Table of Contents

## Process Control and Instrumentation Mcq with Answer

**1. A bolometer is**

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**2. The frequency at which maximum amplitude ratio is attained is called the __________ frequency.**

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**3. The time constant of a first order process with resistance R and capacitance C is**

**4. Thermocouple is suitable for measuring**

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**4. Thermocouple is suitable for measuring**

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**5. Very low pressure is expressed in microns (Î¼), which is equal to __________ mm of Hg column (absolute) at 0Â°C.**

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**6. For the time domain function f(t) = t, the Laplace transform of âˆ«0t f(t) dt is given by**

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**7. Change of angle of refraction with composition comprises the working principle of a**

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**8. A non-linear chemical system is exemplified by a/an**

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**9. Mcleod gauge is used to measure the**

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**10. All the thermocouples used for temperature measurement use dissimilar metal**

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**11. Dead zone is the**

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**12. A non-linear system will have __________ steady state values.**

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**13. The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60Â°, then the dead time (in minutes) is**

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**On-off control which is a special case of proportional control, has a band width of about __________ percent.Â**

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**15. The transfer function for a P-D controller is**

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**16. In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is**

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**17. The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/[2 (2s + 1) (3s + 1)]Â will have a definite number of loci for variation of K from 0 to âˆž. The number of loci is**

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**18. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ Â°C.**

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**19. Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability?**

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**20. Mercury thermometer can be used to measure the temperature upto __________ Â°C.**

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**21. Working principle of mercury in glass thermometer is**

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**22. In a closed loop system, the process to be controlled is an integrating process with transfer function 1/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit**

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**23. The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since**

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**24. A typical example of a physical system with under damped characteristic is a**

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**25. Temperature of __________ cannot be measured by an optical or radiation pyrometer.**

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**26. “A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency.” This is __________ criterion.**

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**27. Platinum resistance thermometer can be used upto antimony point which is __________ Â°C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.**

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**28. In a second order under damped system, the**

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**29. Which of the following thermocouples has the least temperature measurement range?**

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**30. Which of the following cannot measure a temperature of 1600Â°C?**

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## 22407 Instrumentation and Process Control Mcq Pdf

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