Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Thermocouple Bimetallic thermometer Platinum resistance thermometer Optical pyrometer Thermocouple Bimetallic thermometer Platinum resistance thermometer Optical pyrometer 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 Water Mercury Methyl alcohal Carbon-tetrachloride Water Mercury Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Bourdon tube Flat spiral Single helix Multiple helix Bourdon tube Flat spiral Single helix Multiple helix ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flame photometry is used for the determination of compositional analysis of Natural gas Alkali metals Solids Isotopes Natural gas Alkali metals Solids Isotopes ANSWER DOWNLOAD EXAMIANS APP
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