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Process Control and Instrumentation

Process Control and Instrumentation
Flame photometry is used for the determination of compositional analysis of

Solids
Natural gas
Isotopes
Alkali metals

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Process Control and Instrumentation
pH meter has

Three cells
One cell
Two cells
No cell

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Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Optical pyrometer (disappearing filament type)
Thermocouple
Radiation pyrometer
Resistance thermometer

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Process Control and Instrumentation
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their

Low electrical conductivity
High viscosity index
Low thermal conductivity
Low flash point

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Process Control and Instrumentation
Bourdon tube is never made of

Monel metal
Cast iron
Phosphor bronze
Stainless steel

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Process Control and Instrumentation
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.

Viscosity
Volume
Pressure
All of these

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