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Process Control and Instrumentation

Process Control and Instrumentation
A manometer measures the __________ pressure.

None of these
Atmospheric
Gauge
Absolute

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Process Control and Instrumentation
Bode diagram are generated from output response of the system subjected to which of the following input?

Step
Ramp
Sinusoidal
Impulse

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Process Control and Instrumentation
In an exothermic chemical reactor, the manipulated variable is the flow rate of

Product
Reactants
None of these
Coolant

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Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Spectrometer
Polarograph
Refractrometer
Polarimeter

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

3
29
0.1
13

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Process Control and Instrumentation
__________ is undesirable in thermocouples used in industries,

Oxidation resistance
Non-linear relation of emf to temperature
Linear relation of emf to temperature
Corrosion resistance

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