Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High measuring lag High drift Poor reproducibility High fidelity High measuring lag High drift Poor reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 68 12 54 36 68 12 54 36 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Photo-electric pyrometer Thermocouple Platinum resistance thermometer Radiation pyrometer Photo-electric pyrometer Thermocouple Platinum resistance thermometer Radiation pyrometer 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? CO₂ O₂ NO₂ NO CO₂ O₂ NO₂ NO ANSWER DOWNLOAD EXAMIANS APP
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