Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Iron-constantan Platinum - platinum + rhodium Copper - constantan Chromel - alumel Iron-constantan Platinum - platinum + rhodium Copper - constantan Chromel - alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. Second order system Transportation lag First order system None of these Second order system Transportation lag First order system None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 3 29 13 0.1 3 29 13 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Both A & B Here Open Closed Neither A Nor B Here Both A & B Here Open Closed Neither A Nor B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Platinum-platinum + rhodium Iron-constantan Chromel-constantan All of these Platinum-platinum + rhodium Iron-constantan Chromel-constantan All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Resistance thermometers Gas thermometers Thermocouples Bi-metallic thermometers Resistance thermometers Gas thermometers Thermocouples Bi-metallic thermometers ANSWER DOWNLOAD EXAMIANS APP
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