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Process Control and Instrumentation

Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Nickel
Gold
Silver
Antimony

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Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Time
(time)⁻¹
Velocity
None of these

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

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

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

CO₂ analyser
Polarimeter
Spectrometer
Chromatograph

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Process Control and Instrumentation
The frequency at which maximum amplitude ratio is attained is called the __________ frequency.

Corner
Natural
Cross-over
Resonant

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Third
Second
First
Zero

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