Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer 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 Increases exponentially Decreases Increases Remains constant Increases exponentially Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. > 3 < 0.1 < 3 < 1 > 3 < 0.1 < 3 < 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Amplify the input signal Codify/decodify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal Amplify the input signal Codify/decodify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true First order system Second order system (overdamped) Multiple first order system Second order system (underdamped) First order system Second order system (overdamped) Multiple first order system Second order system (underdamped) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is RC R - C R + C 1/RC RC R - C R + C 1/RC ANSWER DOWNLOAD EXAMIANS APP