Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Oil Water Air Steam Oil Water Air Steam ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 36 12 68 54 36 12 68 54 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of pressure Volumetric expansion Differential linear expansion Increase of thermal conductivity Increase of pressure Volumetric expansion Differential linear expansion Increase of thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Beckman thermometer Bimetallic thermometer Dilatometer Mercury thermometer Beckman thermometer Bimetallic thermometer Dilatometer Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
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