Process Control and Instrumentation On-off controllers are normally used for Temperature changes None of these Flow rate changes Low loads Temperature changes None of these Flow rate changes Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 1000 250 500 750 1000 250 500 750 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 8 4 0.2 1.5 8 4 0.2 1.5 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 Configuration of Bourdon spring tube is never made of __________ shape. Spiral Circular Semi-circular Helical Spiral Circular Semi-circular Helical ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped None of these Unstable Stable Critically damped None of these Unstable Stable ANSWER DOWNLOAD EXAMIANS APP