Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. Hydraulic None of these Electronic Pneumatic Hydraulic None of these Electronic Pneumatic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right 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 left half of the complex plane Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease 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/6 π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 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 Which of the following fluid flow measuring devices can measure the largest flow rate? Weir Orificemeter Rotameter V-notch Weir Orificemeter Rotameter V-notch ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Neither A nor B Here Both A & B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation Neither A nor B Here Both A & B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS