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 Bode stability Routh stability Nyquist None of these Bode stability Routh stability Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 400 800 1500 1200 400 800 1500 1200 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches ∞ 1 -1 ∞ 1 -1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Either A or B Open Closed Neither A nor B Either A or B Open Closed Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury barometer measures the __________ pressure. Atmospheric Gauge Absolute Vacuum Atmospheric Gauge Absolute Vacuum ANSWER DOWNLOAD EXAMIANS APP