Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 90° 0° 180° 45° 90° 0° 180° 45° 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? NO O₂ CO₂ NO₂ NO O₂ CO₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible All of these Reducing the volume of the receiving element to a minimum Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible All of these Reducing the volume of the receiving element to a minimum 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? Chromel-constantan Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan Iron-constantan Platinum-platinum + rhodium All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Seebeck effect Thomson effect None of these Peltier effect Seebeck effect Thomson effect None of these Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to voltage in a single tank system is the Heat content of the system Liquid volume in the tank Level of liquid Flow rate Heat content of the system Liquid volume in the tank Level of liquid Flow rate ANSWER DOWNLOAD EXAMIANS APP
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