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 Poles of the closed loop transfer function should lie in the right half of the complex plane 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 Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) > 10 (absolute) > 2 (gauge) < 2 (gauge) < atmospheric > 10 (absolute) > 2 (gauge) < 2 (gauge) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Mercury in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Platinum resistance thermometer Radiation pyrometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A simple pitot tube measures the Maximum velocity Static pressure Point velocity Average velocity Maximum velocity Static pressure Point velocity Average velocity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel 30% iron + 70% nickel Lead Copper Nickel 30% iron + 70% nickel Lead Copper ANSWER DOWNLOAD EXAMIANS APP