Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Critically damped None of these Under damped Over damped Critically damped None of these Under damped Over damped 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 π/6 π/12 5π/12 π/3 π/6 π/12 5π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Configuration of Bourdon spring tube is never made of __________ shape. Semi-circular Circular Helical Spiral Semi-circular Circular Helical Spiral ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Water Oil Steam Air Water Oil Steam Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Oil Mercury A metal powder or graphite Air Oil Mercury A metal powder or graphite Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
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