Nevada Pump Installation and Maintenance

After completing this course, the licensee should be able to:

• Describe dead-end and recirculating hot water distribution systems.
• List several special considerations involved in chemical pumping systems.
• Define the term viscosity and give examples of high-viscosity materials.
• Describe suction head and suction lift pumping conditions.
• Tell what three elements make up total dynamic head.
• Define static suction head.
• Contrast liquid, brake, and electrical horsepower.
• Tell what information can be gained from pump curves.
• Describe the function of the following: pump casing, shaft, impeller, wear rings, and stuffing box.
• Contrast frame-mounted and close-coupled end- suction pumps.
• Give characteristics of fluids pumped with open, semi-open, and closed impellers.
• Name an advantage and a disadvantage each for stainless steel and brass shaft sleeves.
• Explain the construction of a lineshaft turbine pump.
• Name the two types of flow in a propeller pump.
• Tell the function of diffuser vanes in an axial-flow propeller pump.
• Define electrochemical corrosion and state its cause.
• Describe fluids that can be pumped by a regenerative turbine pump.
• Describe the fluids that can be pumped by a rotary pump.
• Explain the operation of external- and internal-gear pumps.
• Describe the parts and construction of a lobe pump.
• Compare/contrast timed- and untimed-screw pumps.
• Tell why sealed bearings might be used in a vane pump.

Course Format: Text

Credit Type: Drinking Water

Approved By: Division of Environmental Protection - Bureau of Safe Drinking Water