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Process Control and Instrumentation

Process Control and Instrumentation
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

Radiation pyrometer
None of these Here
Optical pyrometer
Specially designed thermocouple

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Process Control and Instrumentation
What is the Laplace transform of sin t ?

1/(s² + 1)
S/(s² - 1)
1/(s² - 1)
S/(s² + 1)

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Process Control and Instrumentation
Thermal conductivity measurement com-prises the working principle of a

Spectrometer
Chromatograph
CO₂ analyser
Polarimeter

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Process Control and Instrumentation
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

Speed of response
Reproducibility
Static characteristics
Fidielity

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Process Control and Instrumentation
Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature?

Platinum-platinum + rhodium
Chromel-alumel
Iron-constantan
Copper-constantan

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Process Control and Instrumentation
Photoelectric pyrometers are suitable in the temperature range of __________ °C.

800-1600
400-1000
400-1600
800-2500

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