Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Chromel Constantan Alumel None of these Chromel Constantan Alumel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -45° -180° -90° 45° -45° -180° -90° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 29 13 0.1 3 29 13 0.1 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 273°K 32°F 32°R 492°R 273°K 32°F 32°R 492°R ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.25 1/√2 0.5 1 0.25 1/√2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface High transmissivity of radiation Low emissivity Very thick walls Polished surface High transmissivity of radiation Low emissivity Very thick walls ANSWER DOWNLOAD EXAMIANS APP
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