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 right half of the complex plane Poles of the closed loop transfer function should lie in the left 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 right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Gold Antimony Nickel Silver Gold Antimony Nickel Silver ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Remains constant Decreases Increases exponentially Increases Remains constant Decreases Increases exponentially Increases ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means On-off control Feed forward control More than one feed-back loop One feed-back loop On-off control Feed forward control More than one feed-back loop One feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid levels in autocalves are measued by Glass gauge Differential float type manometer None of these Simple float Glass gauge Differential float type manometer None of these Simple float ANSWER DOWNLOAD EXAMIANS APP
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