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. None of these Routh stability Nyquist Bode stability None of these Routh stability Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is 43832 2 1 43832 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an Orsat apparatus Chromatograph Thermal conductivity cell Zirconia probe Orsat apparatus Chromatograph Thermal conductivity cell Zirconia probe ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for High loads Temperature changes Low loads Flow rate changes High loads Temperature changes Low loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Peltier effect Thomson effect Seebeck effect Joule heating effect Peltier effect Thomson effect Seebeck effect Joule heating effect ANSWER DOWNLOAD EXAMIANS APP
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