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?

Methyl alcohal

Water

Mercury

Carbon-tetrachloride

Methyl alcohal

Water

Mercury

Carbon-tetrachloride

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Process Control and Instrumentation
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?

Iron-constantan

All of these

Chromel-constantan

Platinum-platinum + rhodium

Iron-constantan

All of these

Chromel-constantan

Platinum-platinum + rhodium

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Process Control and Instrumentation
Thermal wells are used in the temperature measurement to

Increase the sensitivity

Increase the fidelity

Guard against corrosive and oxidising action on thermocouple materials

Reduce measuring lag

Increase the sensitivity

Increase the fidelity

Guard against corrosive and oxidising action on thermocouple materials

Reduce measuring lag

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Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Having an interval of 100° between ice point to steam point

Both A&B Here

Having an interval of 100° between ice point to steam point

Defined on the basis of melting point of ice and evaporation temperature of water vapor

Having an interval of 100° between ice point to steam point

Both A&B Here

Having an interval of 100° between ice point to steam point

Defined on the basis of melting point of ice and evaporation temperature of water vapor

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Process Control and Instrumentation
A simple pitot tube measures the

Maximum velocity

Average velocity

Static pressure

Point velocity

Maximum velocity

Average velocity

Static pressure

Point velocity

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Process Control and Instrumentation
Which of the following measurements can be made by the measurement of emf?

Composition of complex ions

Degree of hydrolysis

All of these

PH value

Composition of complex ions

Degree of hydrolysis

All of these

PH value

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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 Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?

Process Control and Instrumentation Thermal wells are used in the temperature measurement to

Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation A simple pitot tube measures the

Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf?

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
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?

Process Control and Instrumentation
Thermal wells are used in the temperature measurement to

Process Control and Instrumentation
Thermodynamic celcius scale of temperature measurement is

Process Control and Instrumentation
A simple pitot tube measures the

Process Control and Instrumentation
Which of the following measurements can be made by the measurement of emf?