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 A barometer measures the __________ pressure. Absolute Absolute as well as gauge Gauge Dynamic Absolute Absolute as well as gauge Gauge Dynamic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The maximum The minimum Nothing about the Both maximum and the minimum The maximum The minimum Nothing about the Both maximum and the minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Ratio Sum Product Difference Ratio Sum Product Difference ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Flow rate changes Temperature changes High loads Low loads Flow rate changes Temperature changes High loads Low loads ANSWER DOWNLOAD EXAMIANS APP