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 = √(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 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 45° 90° 0° 180° 45° 90° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Stable Critically damped Unstable None of these Stable Critically damped Unstable None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Neither A nor B Either A or B Open Closed Neither A nor B Either A or B Open Closed ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Concentration of sugar solution can be determined by the Polarimetry Emission spectroscopy Oscillometry Flame photometry Polarimetry Emission spectroscopy Oscillometry Flame photometry ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Deflection Stress Strain Contraction/expansion due to changes in temperature Deflection Stress Strain ANSWER DOWNLOAD EXAMIANS APP
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