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

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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

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