Mechanical engineering, theories, principles, and techniques.

DOE-STD-1162-2003

Describe the effects of pressure and temperature changes on confined fluids.

Describe how the density of a fluid varies with temperature.

Describe the relationship between the pressure in a fluid column and the density and

depth of the fluid.

Define the terms "mass flow rate" and "volumetric flow rate".

Describe the phenomenon of water hammer, pressure spike, and steam hammer.

18.

Instrumentation and control personnel shall demonstrate a familiarity level knowledge of

mechanical engineering, theories, principles, and techniques.

Supporting Knowledge and/or Skills

Describe the basic construction and operation of the following types of valves used in a

process system:

Gate valve

Globe valve

Flow control valve

Butterfly valve

Diaphragm valves

Check valve

Relief and safety valves

Discuss how valve operation controlled by a process control system can cause water

hammer or pressure spiking if the system is not designed properly.

Describe the basic operation and pressure/flow characteristics of the following types of

pumps:

Centrifugal pump

Positive displacement pump

Describe the basic design and operation of a compressed air system used to supply

instrument air, including a discussion of the function of the following components:

Moisture separator

Intercooler

After cooler

Receiver

Air dryer

Describe the function and operation of vibration monitoring equipment used to monitor

large motors, pumps, and compressors.

Describe the basic operation of pressure regulating valves and flow control valves in a

process system.

Describe the basic theory of operation of a heat exchanger used in a process system.