Process Control and Instrumentation Cascade control means Feed forward control On-off control One feed-back loop More than one feed-back loop Feed forward control On-off control One feed-back loop More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reset rate is the another term used for __________ time. Integral Dead Derivative None of these Integral Dead Derivative None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with R. vs. phase lag of first order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of second order R. vs. phase lag of first order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 0.2 1.5 4 8 0.2 1.5 4 8 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 0.5 1 0.25 1/√2 0.5 1 0.25 1/√2 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 RC 1/RC R + C R - C RC 1/RC ANSWER DOWNLOAD EXAMIANS APP