Training Applications for the Electrical Controls Industry
Fluid Power Test 7
Hydraulic Pumps
Fluid Power Review - Section 7
00:00:00
Question 1: A reciprocating or Piston Pump is used to produce low air pressures.
True
False
Question 2: Rotary sliding vane compressors are machines in which longitudinal vanes slide radially in a slotted rotor that are mounted eccentrically in a cylinder.
True
False
Question 3: Centrifugal compressors rotate at higher speeds than the other types of compressors.
True
False
Question 4: The axial compressor has air flow not parallel to the axis of rotation.
True
False
Question 5: Small external gear pumps usually operate at 1750 or 3450 rpm and larger models operate at speeds up to 640 rpm.
True
False
Question 6: Gerotor pumps are primarily suitable for clean, low pressure applications such as lubrication systems or hot oil filtration systems, but can also be found in high pressure hydraulic applications
True
False
Question 7: The internal gear pump is non-pulsing, self-priming, and can run dry for short periods.
True
False
Question 8: Lobe pumps are not similar to external gear pumps in operation because fluid flows around the interior of the casing.
True
False
Question 9: More pumps and hydraulic systems fail as a result of cavitation than any other single cause.
True
False
Question 10: There are two main types of cavitation, they are, _____________ and ______________.
dirty
air
vacuum
aeration
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