Process Control and Instrumentation Time constant is the Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 1 -1 44020 43838 1 -1 44020 43838 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. Nyquist Bode stability Routh stability None of these Nyquist Bode stability Routh stability None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Critically damped Over damped None of these Under damped Critically damped Over damped None of these Under damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Paramagnetism method is not used for the composition determination of __________ in gases. Oxygen Carbon dioxide Any of these Oxides of nitrogen Oxygen Carbon dioxide Any of these Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP