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Process Control and Instrumentation

Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a primary element.

Bourdon tube
Bulb
Pointer
None of these

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Process Control and Instrumentation
What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple?

29
0.1
3
13

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Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

U-tube manometer
Inclined tube manometer
Bourdon gauge
Pirani guage

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Process Control and Instrumentation
Which of the following measurements can be made by the measurement of emf?

Degree of hydrolysis
All of these
Composition of complex ions
PH value

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Process Control and Instrumentation
Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called

Insulators
Dielectrics
Semi conductors
Conductors

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Process Control and Instrumentation
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

Turbine flowmeter
Magnetic flowmeter
Pitot tube
Flow nozzle type flowmeter

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