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. Bode stability None of these Routh stability Nyquist Bode stability None of these Routh stability Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the Time required for the response of first reach its ultimate value is called the response time None of these Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Time required for the response of first reach its ultimate value is called the response time None of these Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Silver Antimony Gold Nickel Silver Antimony Gold Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of moving objects at high temperature Of an object without coming in contact with it Inside a pressure vessel Of liquid oxygen Of moving objects at high temperature Of an object without coming in contact with it Inside a pressure vessel Of liquid oxygen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Polarimeter Chromatograph Polarograph Spectrometer Polarimeter Chromatograph Polarograph Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. Zero Second Third First Zero Second Third First ANSWER DOWNLOAD EXAMIANS APP