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Process Control and Instrumentation

Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a secondary element.

None ofthese
Bulb
Bourdon tube
Pointer

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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

Thermal conductivity cell
Orsat apparatus
Zirconia probe
Chromatograph

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Process Control and Instrumentation
In second order underdamped system,

Overshoot increases for increasing damping co-efficient
Large damping co-efficient means smaller damping
Decay ratio = (overshoot)²
Decay ratio = overshoot

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Process Control and Instrumentation
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?

None of these
Seebeck effect
Thomson effect
Peltier effect

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Process Control and Instrumentation
The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C.

250
1000
500
750

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Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Product
Ratio
Difference
Sum

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