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 None of these Bode stability Routh stability Nyquist None of these Bode stability Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Refractrometer Polarograph Dilatometer Polarimeter Refractrometer Polarograph Dilatometer Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of Very high pressure Liquid level under pressure Liquid level at atmospheric pressure High vacuum Very high pressure Liquid level under pressure Liquid level at atmospheric pressure High vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag - 180° 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° 180° - phase lag Phase lag + 90° Phase lag + 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Paramagnetism method is not used for the composition determination of __________ in gases. Any of these Oxygen Carbon dioxide Oxides of nitrogen Any of these Oxygen Carbon dioxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Reduce measuring lag Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Reduce measuring lag ANSWER DOWNLOAD EXAMIANS APP
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