Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Mercury

Water

Methyl alcohal

Carbon-tetrachloride

Mercury

Water

Methyl alcohal

Carbon-tetrachloride

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Process Control and Instrumentation
Gain margin is equal to the

Amplitude ratio

Gain in P controller

Reciprocal of amplitude ratio

Gain in P-I controller

Amplitude ratio

Gain in P controller

Reciprocal of amplitude ratio

Gain in P-I controller

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Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

< 10 (gage)

> 2(gage)

< atmospheric

< 3 (gage)

< 10 (gage)

> 2(gage)

< atmospheric

< 3 (gage)

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

U-tube manometer

Thermocouple kept immersed in a liquid filled thermowell

CSTR with first order reaction

Spring loaded diaphragm valve

U-tube manometer

Thermocouple kept immersed in a liquid filled thermowell

CSTR with first order reaction

Spring loaded diaphragm valve

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Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Seebeck effect

Wien's law

Kirchoff's law

Peltier effect

Seebeck effect

Wien's law

Kirchoff's law

Peltier effect

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

Neither A nor B Here

Closed

Open

Either A Or B Here

Neither A nor B Here

Closed

Open

Either A Or B Here

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Process Control and Instrumentation

Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation Gain margin is equal to the

Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a

Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the

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

Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?

Process Control and Instrumentation
Gain margin is equal to the

Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

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