Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Platinum-platinum+rhyodium Iron-constantan Platinum-rhodium Chromel-alumel Platinum-platinum+rhyodium Iron-constantan Platinum-rhodium Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Single helix Multiple helix Bourdon tube Flat spiral Single helix Multiple helix Bourdon tube Flat spiral ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flame photometry is used for the determination of compositional analysis of Isotopes Solids Alkali metals Natural gas Isotopes Solids Alkali metals Natural gas 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 Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer None of these Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
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