Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

CO₂ percentage in the flue gas
Specific gravity of petrofuels
O₂ percentage in the flue gas
Composition of an alloy

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Process Control and Instrumentation
In a second order under damped system, the

Time required for the response of first reach its ultimate value is called the response time
None of these
Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot
Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e

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