Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Mercury in glass Resistance Bimetallic Vapor pressure Mercury in glass Resistance Bimetallic Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° 180° - phase lag Phase lag - 180° Phase lag + 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 100 95 63.2 87.5 100 95 63.2 87.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Seebeck effect Joule heating effect Peltier effect Thomson effect Seebeck effect Joule heating effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Static error Dead zone Reproducibility Time lag Static error Dead zone Reproducibility ANSWER DOWNLOAD EXAMIANS APP