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 Bode stability None of these Routh stability Nyquist Bode stability None of these Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1. Both A & B Here Level Neither A nor B Here Outlet flow rate Both A & B Here Level Neither A nor B Here Outlet flow rate ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s² + 2s + 2) 1/(s²+ 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s² + 2s + 2) 1/(s²+ 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s³ 4/s² 2/s² 4/s³ 2/s³ 4/s² 2/s² 4/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of CO₂ percentage in the flue gas O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy CO₂ percentage in the flue gas O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy ANSWER DOWNLOAD EXAMIANS APP
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