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Process Control and Instrumentation

Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Oxygen
Sulphur dioxide
Carbon dioxide
Carbon monoxide

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Process Control and Instrumentation
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer

Increases exponentially
Increases
Decreases
Remains constant

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Ordinary
Semi-log
Log-lag
Triangular

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Process Control and Instrumentation
The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches

1
∞
-1

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Process Control and Instrumentation
Emission spectroscopy is used for

NOxdetermination
Determining water purity
Determination of CO₂ in gases
Solids and metal analysis

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Process Control and Instrumentation
The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by

Introducing integral control
Introducing derivative control
Reducing value of Kc
None of these

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