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10 Cards in this Set
- Front
- Back
Name three types of hydraulic fluid
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1)vegetable base
2)mineral base 3)phosphate ester base |
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Name three sources for hydraulic pressure in aircraft
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1)constant-delivery pump
2)variable-delivery pump 3)power-driven pump |
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what prevents engine damage when a hydraulic pump seizes
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a relive valve
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how does a gear type pump operate
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its driven by aircraft engine or some other power unit
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name three types of hydraulic accumulators
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1)diaphram type
2)bladder type 3)piston type |
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name two types of engine driven hydraulic pumps
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1)gear pump
2)piston pump |
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what are the main purposes of pneumatic systems
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supply pressure for normal operation, back-up, and emergency actuating systems
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what are the sources of pneumatic power
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bottle air, air compressor, bleed air, and vane type pumps
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what happens to excessive pressure in a pneumatic system
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it is relieve by a relieve valve
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what must be accomplished with any accumulator prior to disassembling
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relieve system pressure
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