Fawaz Trading & Engineering Servies Instrumentation Supervisor Interview Questions and Answers

PID stands for Proportional-Integral-Derivative. It is a control loop feedback mechanism used in industrial automation.

• PID is used to maintain a desired setpoint by continuously adjusting a control output based on the difference between the setpoint and the measured process variable.

• Proportional control responds to the current error, integral control responds to the accumulated error, and derivative control responds to...read more

An orifice plate is a thin plate with a hole in the center used to measure fluid flow rate in pipelines.

• It is installed in a pipeline to create a pressure drop, which is proportional to the flow rate.

• The pressure difference is measured using pressure taps on either side of the plate.

• The flow rate is calculated using Bernoulli's equation or a flow coefficient.

• Orifice plates are commonly used in industries such as oil an...read more