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Process Control and Instrumentation

Process Control and Instrumentation
Response of a linear control system for a change in set point is called

Servo problem
Transient response
Frequency response
Regulator problem

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Process Control and Instrumentation
Which of the following thermocouple materials does not contain nickel?

None of these
Chromel
Alumel
Constantan

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Process Control and Instrumentation
Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an

Chromatograph
Orsat apparatus
Zirconia probe
Thermal conductivity cell

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Process Control and Instrumentation
Stroboscope is used for the measurement of

Depression of freezing point
Frequency of light
Rpm of a flywheel
Liquid level under pressure

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is

None of these
Platinum-platinum+rhodium
Iron-constantan
Chromel-alumel

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Process Control and Instrumentation
In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable.

Manipulated
None of these
Load
Controlled

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