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Process Control and Instrumentation

Process Control and Instrumentation
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

< 0
> 50
0-100
> 100

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Process Control and Instrumentation
Thermal wells are used in the temperature measurement to

Guard against corrosive and oxidising action on thermocouple materials
Increase the fidelity
Reduce measuring lag
Increase the sensitivity

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

Flame photometry
Oscillometry
Polarimetry
Emission spectroscopy

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Process Control and Instrumentation
Bode diagram are generated from output response of the system subjected to which of the following input?

Impulse
Ramp
Step
Sinusoidal

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Process Control and Instrumentation
Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an

External float gage
None of these
Gage glass
Differential pressure gage

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Process Control and Instrumentation
A mercury barometer measures the __________ pressure.

Atmospheric
Absolute
Vacuum
Gauge

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