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Process Control and Instrumentation

Process Control and Instrumentation
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

Speed of response
Reproducibility
Static characteristics
Fidielity

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Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

< 3 (gage)
< 10 (gage)
< atmospheric
> 2(gage)

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Process Control and Instrumentation
Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.

- 39 and 350
- 79 and 395
- 10 and 425
- 51 and 439

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Process Control and Instrumentation
A non-linear chemical system is exemplified by a/an

Non-isothermal CSTR
Isothermal CSTR
Mixer
None of these

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Process Control and Instrumentation
Emission spectroscopy is used for

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

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Process Control and Instrumentation
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

961.93
630.74
1261.93
1064.43

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