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Process Control and Instrumentation

Process Control and Instrumentation
Composition of alloys can be determined by

Chromatograph
Refractrometer
None of these
Polarograph

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Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

None of these
Isotopes
Solids
Alloys

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Process Control and Instrumentation
On-off controllers are normally used for

Low loads
Temperature changes
Flow rate changes
None of these

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Mercury in glass thermometer
Iron-constantan thermocouple
Alcohol filled thermometer
Optical pyrometer

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Process Control and Instrumentation
A barometer measures the __________ pressure.

Absolute as well as gauge
Absolute
Gauge
Dynamic

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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

Pitot tube
Magnetic flowmeter
Turbine flowmeter
Flow nozzle type flowmeter

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