Af A/c Hydraulic And Pneumatic Systems

Front 1

Name three types of hydraulic fluid

Back 1

1)vegetable base
2)mineral base
3)phosphate ester base

Front 2

Name three sources for hydraulic pressure in aircraft

Back 2

1)constant-delivery pump
2)variable-delivery pump
3)power-driven pump

Front 3

what prevents engine damage when a hydraulic pump seizes

Back 3

a relive valve

Front 4

how does a gear type pump operate

Back 4

its driven by aircraft engine or some other power unit

Front 5

name three types of hydraulic accumulators

Back 5

1)diaphram type
2)bladder type
3)piston type

Front 6

name two types of engine driven hydraulic pumps

Back 6

1)gear pump
2)piston pump

Front 7

what are the main purposes of pneumatic systems

Back 7

supply pressure for normal operation, back-up, and emergency actuating systems

Front 8

what are the sources of pneumatic power

Back 8

bottle air, air compressor, bleed air, and vane type pumps

Front 9

what happens to excessive pressure in a pneumatic system

Back 9

it is relieve by a relieve valve

Front 10

what must be accomplished with any accumulator prior to disassembling

Back 10

relieve system pressure