Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Bode stability None of these Nyquist Routh stability Bode stability None of these Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 1261.93 961.93 630.74 1064.43 1261.93 961.93 630.74 1064.43 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. Third Second Zero First Third Second Zero First ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emission spectroscopy is used for Determination of CO₂ in gases Solids and metal analysis NOxdetermination Determining water purity Determination of CO₂ in gases Solids and metal analysis NOxdetermination Determining water purity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Semi conductors Conductors Dielectrics Insulators Semi conductors Conductors Dielectrics Insulators ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
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