Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Mercury in glass thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer 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. 87.5 100 63.2 95 87.5 100 63.2 95 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. None of these Peltier Thomson Seebeck None of these Peltier Thomson Seebeck ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Chromel - alumel Platinum - platinum + rhodium Copper - constantan Iron-constantan Chromel - alumel Platinum - platinum + rhodium Copper - constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 1.5 0.2 8 4 1.5 0.2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Static characteristics Reproducibility Fidielity Speed of response Static characteristics Reproducibility Fidielity Speed of response ANSWER DOWNLOAD EXAMIANS APP
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