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. Nyquist Routh stability None of these Bode stability Nyquist Routh stability None of these Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Boiling Both A & B Here Neither A nor B Here Melting Boiling Both A & B Here Neither A nor B Here Melting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Low loads Flow rate changes Temperature changes High loads Low loads Flow rate changes Temperature changes High loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Kilo volts Millivolts Microvolts Volts Kilo volts Millivolts Microvolts Volts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Very low temperatures only Liquid temperatures only Both high and low temperatures Very high temperatures only Very low temperatures only Liquid temperatures only Both high and low temperatures Very high temperatures only ANSWER DOWNLOAD EXAMIANS APP
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