Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Paramagnetism method is not used for the composition determination of __________ in gases. Oxygen Carbon dioxide Oxides of nitrogen Any of these Oxygen Carbon dioxide Oxides of nitrogen Any of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO CO₂ O₂ NO₂ NO CO₂ O₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Stress Strain Deflection Contraction/expansion due to changes in temperature Stress Strain Deflection ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 75 100 25 75 100 25 ANSWER DOWNLOAD EXAMIANS APP