Process Control & Instrumentation Mcqs for Chemical


Q.  Flapper nozzle is used in a/an ______________ controller?

a. Electronic
b. Hydraulic
c. Pneumatic
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The amplitude ratio for the sinusoidal response of a _____________ is 1?
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MCQs:  Which of the following is the dynamic characteristics of an instrument ?
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MCQs:  Liquid levels in autoclaves are measured by ________________?
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MCQs:  For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a__________________?
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MCQs:  Which of the following controllers has the least maximum deviation ?
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MCQs:  Out of the following thermocouple wire insulating material, the highest temperature rating is for________________?
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MCQs:  Turbine flow meters are suitable for_________________?
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MCQs:  Load cells are used for the measurement of __________________?
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MCQs:  Gas analysis is commonly done using the___________________?
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MCQs:  Stalagmometer is used for the measurement of__________________?
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MCQs:  The transfer function for a PID controller is (where, η i is the integral (reset) time and ηD is the derivative time.) ?
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MCQs:  Polarisation of light forms the working principle of a______________?
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MCQs:  ____________ are analysed using a Polarograph?
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MCQs:  Dilute wine was used as a thermometric liquid initially to develop temperature scale. First empirical temperature scale developed was the _____________ scale?
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MCQs:  The open loop transfer function of a control system is KR/(1 + TS). This represents ______________?
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MCQs:  The term analogous to the electrical current in a thermal system is the_________________?
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MCQs:  Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit ?
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MCQs:  Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is __________________?
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MCQs:  ______________ is undesirable in thermocouples used in industries ?
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MCQs:  Which is the most suitable instrument for measuring pressure below 3 microns ?
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