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Process Control and Instrumentation

Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

With the mercurial thermometer upto 350°C
Which is of higher magnitude
All of these
Directly

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Process Control and Instrumentation
Which of the following filled system expansion thermometer has the capability to measure the lowest temperature?

Mercury in steel thermometer
Fused metal (Na or K) in steel thermometer
Mercury in glass thermometer
Alcohol in glass thermometer

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Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an

Orsat apparatus
Zirconia probe
Chromatograph
Thermal conductivity cell

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Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Refractrometer
Polarimeter
Spectrometer
Polarograph

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Process Control and Instrumentation
Non-metallic diaphragm used as pressure sensor in instruments is generally made of

Thick paper
Synthetic rubber
Teflon
Bakelite

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Process Control and Instrumentation
Which of the following judges the accuracy of an instrument?

None of these
Drift
Static error
Dead zone

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