OBJECTIVES
DOE-HDBK-1018/1-93
Pumps
TERMINAL OBJECTIVE
2.0
Without references, DESCRIBE the purpose, construction, and principle of operation for
positive displacement pumps.
ENABLING OBJECTIVES
2.1
STATE the difference between the flow characteristics of centrifugal and positive
displacement pumps.
2.2
Given a simplified drawing of a positive displacement pump, CLASSIFY the pump as
one of the following:
a.
Reciprocating piston pump
b.
Gear-type rotary pump
c.
Screw-type rotary pump
d.
Lobe-type rotary pump
e.
Moving vane pump
f.
Diaphragm pump
2.3
EXPLAIN the importance of viscosity as it relates to the operation of a reciprocating
positive displacement pump.
2.4
DESCRIBE the characteristic curve for a positive displacement pump.
2.5
DEFINE the term slippage.
2.6
STATE how positive displacement pumps are protected against overpressurization.
ME-03
Rev. 0
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