Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 750 250 500 1000 750 250 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is Eτds Τds + 1 E-τds 1/(τds + 1) Eτds Τds + 1 E-τds 1/(τds + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/6 5π/12 π/12 π/3 π/6 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement com-prises the working principle of a Polarimeter CO₂ analyser Chromatograph Spectrometer Polarimeter CO₂ analyser Chromatograph Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Conductor Solid semi-conductor Liquid semi-conductor Insulator Conductor Solid semi-conductor Liquid semi-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP