Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is 1/(τds + 1) Eτds Τds + 1 E-τds 1/(τds + 1) Eτds Τds + 1 E-τds ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc(1+τD s) Kc(1 +1/τD s) Kc τD s Kc/τD s Kc(1+τD s) Kc(1 +1/τD s) Kc τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A manometer measures the __________ pressure. Absolute Atmospheric None of these Gauge Absolute Atmospheric None of these Gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Temperature changes None of these Low loads Flow rate changes Temperature changes None of these Low loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/6 π/12 π/3 5π/12 π/6 π/12 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 0.25 1/√2 0.5 1 0.25 1/√2 0.5 ANSWER DOWNLOAD EXAMIANS APP
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