Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? None of these >1 < 1 1 None of these >1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R - C R + C 1/RC RC R - C R + C 1/RC RC ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In Bode plot, Φ vs ω is plotted on a/an __________ graph paper. Log-log Semi-log Ordinary Triangular Log-log Semi-log Ordinary Triangular ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and positive Complex conjugate with positive real parts Both real and negative One real positive and the other real negative Both real and positive Complex conjugate with positive real parts Both real and negative One real positive and the other real negative ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Undamped response Unstable response Underdamped response Overdamped response Undamped response Unstable response Underdamped response 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 25 100 75 25 100 ANSWER DOWNLOAD EXAMIANS APP