Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by Chromatograph None of these Refractrometer Polarograph Chromatograph None of these Refractrometer Polarograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Speed of response Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) All of these Speed of response Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Underdamped Highly fluctuating Overdamped Critically damped Underdamped Highly fluctuating Overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true First order system Multiple first order system Second order system (overdamped) Second order system (underdamped) First order system Multiple first order system Second order system (overdamped) Second order system (underdamped) ANSWER DOWNLOAD EXAMIANS APP