Heritage Foods Junior Executive Instrumentation Interview Questions and Answers

The output of RTD (Resistance Temperature Detector) is a change in resistance in response to a change in temperature.

• Output is a change in resistance

• Output is proportional to the change in temperature

• Output can be measured using a Wheatstone bridge circuit

Control valves regulate the flow of fluid in a system by varying the size of the flow passage.

• Control valves have a movable element (such as a ball, butterfly, or plug) that adjusts the flow rate based on signals from a controller.

• They can be operated manually, pneumatically, electrically, or hydraulically.

• Control valves are commonly used in industries such as oil and gas, chemical processing, and water treatment.

• Examp...read more