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Process Control and Instrumentation

Process Control and Instrumentation
Hot wire anemometer is used for the measurement of

Very high temperature
Flow rates of fluids
Flow rates of granular solids
Thermal conductivity of gases

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Process Control and Instrumentation
Smoke density of the flue gas going out of the chimney is measured by a

Photo electric cell
Polarograph
Thermal conductivity meter
Chromatograph

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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.

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

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Process Control and Instrumentation
An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a

PH meter
Chromatograph
Polarograph
Polarimeter

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

None of these
Mixer
Non-isothermal CSTR
Isothermal CSTR

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Process Control and Instrumentation
Feed forward controller accounts for the __________ changes.

Load
Both A & B
Set point
Neither A nor B

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