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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
Bode stability method uses __________ loop transfer function.

Closed
Open
Neither A nor B Here
Either A Or B Here

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Process Control and Instrumentation
Emission spectroscopy is used for

Determination of CO₂ in gases
Solids and metal analysis
Determining water purity
NOxdetermination

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

Servo problem
Frequency response
Transient response
Regulator problem

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is

None of these
Volumetric expansion
Pressure rise with temperature
Linear expansion

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Iron-constantan
Either A, B or C
Chromel-alumel
Platinum-platinum+rhodium

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