Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 2 AT √AT 1.5 AT 0.5 AT 2 AT √AT 1.5 AT 0.5 AT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 2 5 3 1 2 5 3 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Dead zone Reproducibility Static error Time lag Dead zone Reproducibility Static error Time lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Reproducibility Sensitivity Dead zone Fidelity Reproducibility Sensitivity Dead zone Fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/6 π/12 π/3 5π/12 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
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