AL Pumps: Part 2

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

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&#; Name the parts that make up the power end of a reciprocating pump and describe their operation.

&#; Define the terms single-acting pump and double‐acting pump when given the piston ratio and motor air supply.     

&#; Explain how the pumped fluid lubricates a reciprocating pump.

&#; Calculate the discharge pressure of an air-driven pump

&#; Compare simplex and duplex pumps

&#; Tell what pumps are used for metering applications.

&#; Describe metering pump lubrication techniques.

&#; Name the parts of a diaphragm metering pump and state the function of each.

&#; Explain the operation of a diaphragm metering pump.

&#; Describe the operation of a flexible-tube pump.

&#; Give an application for a progressing-cavity pump.

&#; Name one disadvantage of a sealless magnetic- drive pump.

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&#; Explain how to prepare a new centrifugal pump for operation.

&#; Tell which parts of a reciprocating slurry pump require the most maintenance.

&#; Tell why slight leakage through shaft seals is necessary.

&#; Name the type of stuffing box required for pumps operating under suction lift conditions.

&#; Give a typical application each for cotton, Teflon® and aluminum packing.

&#; Describe the procedure for replacing pump packing.

&#; Describe a packingless seal.

&#; Name three types of antifriction bearings.

&#; Name three factors to consider when preparing pump lubrication schedules.

&#; Describe a typical application for both felt and synthetic bearing seals.

&#; Tell the two major maintenance problems encountered in rotary pumps.

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