Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Product Ratio Difference Sum Product Ratio Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Overshoot increases for increasing damping co-efficient Decay ratio = (overshoot)² Decay ratio = overshoot Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = (overshoot)² Decay ratio = overshoot Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Asbestos Teflon Fibre glass Ceramic fibre Asbestos Teflon Fibre glass Ceramic fibre ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 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 Underdamped response Overdamped response Unstable response Undamped response Underdamped response Overdamped response Unstable response Undamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H/G G/H G/(1 + H) H(1 + G) H/G G/H G/(1 + H) H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
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