Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Is the same for set point or load changes All of these Depends only upon the open loop transfer function Determines its stability Is the same for set point or load changes All of these Depends only upon the open loop transfer function Determines its stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-derivative(PD)controller Proportional controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Dead zone Static error Reproducibility Time lag Dead zone Static error Reproducibility Time lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 5 3 2 1 5 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 2/s³ 4/s³ 4/s² 2/s² 2/s³ 4/s³ 4/s² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Chromel Alumel None of these Constantan Chromel Alumel None of these Constantan ANSWER DOWNLOAD EXAMIANS APP
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