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Process Control and Instrumentation

Process Control and Instrumentation
The operation of a rotameter is based on

Variable flow area
Pressure drop across a nozzle
Pressure at a stagnation point
Rotation of a turbine

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Process Control and Instrumentation
Which of the following thermocouples has the least temperature measurement range?

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

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Process Control and Instrumentation
For an input forcing function, X(t) = 2t², the Laplace transform of this function is

4/s³
2/s³
4/s²
2/s²

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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

Chromatograph
Zirconia probe
Orsat apparatus
Thermal conductivity cell

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Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

< 0
> 0
> 800
< 100

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Process Control and Instrumentation
Concentration of sugar solution can be determined by the

Oscillometry
Emission spectroscopy
Flame photometry
Polarimetry

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MORE MCQ ON Process Control and Instrumentation

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