Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 4/s² 2/s² 4/s³ 2/s³ 4/s² 2/s² 4/s³ 2/s³ 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 Under damped None of these Over damped Critically damped Under damped None of these Over damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Impulse Sinusoidal Ramp Step Impulse Sinusoidal Ramp Step ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? None of these Constantan Alumel Chromel None of these Constantan Alumel Chromel 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 1/√2 1 0.5 0.25 1/√2 1 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag 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 dead time Same as transportation lag 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 ANSWER DOWNLOAD EXAMIANS APP