Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Venturimeter Rotameter Hot wire anemometer Pitot tube Venturimeter Rotameter Hot wire anemometer Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A non-linear system will have __________ steady state values. Two One Three More than one Two One Three More than one ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Refractrometer Polarimeter Polarograph Dilatometer Refractrometer Polarimeter Polarograph Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Unstable response Undamped response Underdamped response Overdamped response Unstable response Undamped response Underdamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP