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 None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Polarograph Mass spectrometer Thermal conductivity cell Hot wire anemometer Polarograph Mass spectrometer Thermal conductivity cell Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C -200 to 150 350 to 750 0 to 150 500 to 900 -200 to 150 350 to 750 0 to 150 500 to 900 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is G/(1 + H) G/H H/G H(1 + G) G/(1 + H) G/H H/G H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO₂ NO O₂ CO₂ NO₂ NO O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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