Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° 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 4/s² 4/s³ 2/s³ 2/s² 4/s² 4/s³ 2/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Thermal conductivity through the paper Electrical resistance through the paper None of these Magnetic susceptibility Thermal conductivity through the paper Electrical resistance through the paper None of these Magnetic susceptibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of first order R. vs. phase lag of second order Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of first order R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of Specific gravity of petrofuels O₂ percentage in the flue gas Composition of an alloy CO₂ percentage in the flue gas Specific gravity of petrofuels O₂ percentage in the flue gas Composition of an alloy CO₂ percentage in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is increased Kc is reduced Derivative control action is introduced Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced Integral control action is introduced ANSWER DOWNLOAD EXAMIANS APP
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