Process Control and Instrumentation Response of a linear control system for a change in set point is called Servo problem Frequency response Regulator problem Transient response Servo problem Frequency response Regulator problem Transient response ANSWER DOWNLOAD EXAMIANS APP
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 Nyquist Routh stability Bode stability None of these Nyquist Routh stability Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Either A or B Neither A nor B Closed Open Either A or B Neither A nor B Closed Open ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is All of these Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law Based on the linear relationship between the fluid flow rate and the induced voltage All of these Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law Based on the linear relationship between the fluid flow rate and the induced voltage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.5 1 0.25 1/√2 0.5 1 0.25 1/√2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 1261.93 961.93 630.74 1064.43 1261.93 961.93 630.74 1064.43 ANSWER DOWNLOAD EXAMIANS APP