Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the None of these Heat content in the system Temperature difference Heat flow rate None of these Heat content in the system Temperature difference Heat flow rate ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between hot and cold junctions Of cold junction only Difference between cold junction and atmospheric temperature Of hot junction only Difference between hot and cold junctions Of cold junction only Difference between cold junction and atmospheric temperature Of hot junction only ANSWER DOWNLOAD EXAMIANS APP
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 = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag 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 is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP
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