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 Nyquist Bode stability None of these Routh stability Nyquist Bode stability None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is E-τds Eτds Τds + 1 1/(τds + 1) E-τds Eτds Τds + 1 1/(τds + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Carbon tetrachloride Paraffin Ethylene glycol Water Carbon tetrachloride Paraffin Ethylene glycol Water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 250 100 350 750 250 100 350 750 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? NO₂ O₂ CO₂ NO NO₂ O₂ CO₂ NO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Sinusoidal Ramp Step Impulse Sinusoidal Ramp Step Impulse ANSWER DOWNLOAD EXAMIANS APP
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