Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Mercury A metal powder or graphite Oil Air Mercury A metal powder or graphite Oil Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Conductors Insulators Semi conductors Dielectrics Conductors Insulators Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
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? Carbon-tetrachloride Methyl alcohal Water Mercury Carbon-tetrachloride Methyl alcohal Water Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity Low flash point Low electrical conductivity High viscosity index Low thermal conductivity Low flash point Low electrical conductivity High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flame photometry is used for the determination of compositional analysis of Natural gas Solids Isotopes Alkali metals Natural gas Solids Isotopes Alkali metals ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by None of these Polarograph Refractrometer Chromatograph None of these Polarograph Refractrometer Chromatograph ANSWER DOWNLOAD EXAMIANS APP
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