Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Chromel-alumel Platinum-platinum+rhyodium Iron-constantan Platinum-rhodium Chromel-alumel Platinum-platinum+rhyodium Iron-constantan Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 460° 32° & 80° 0° & 80° - 273° & 80° 32° & 460° 32° & 80° 0° & 80° - 273° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The maximum The minimum Nothing about the Both maximum and the minimum The maximum The minimum Nothing about the Both maximum and the minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Flux density Voltage Current Light intensity Flux density Voltage Current Light intensity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Electrical resistance through the paper Thermal conductivity through the paper Magnetic susceptibility None of these Electrical resistance through the paper Thermal conductivity through the paper Magnetic susceptibility None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° ANSWER DOWNLOAD EXAMIANS APP
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