instruments/avionic systems Flashcards
When the instrument is right behind the display, what type of pressure sensing instrument is this?
direct reading
When there is electrical lines from the instrument to the display, what type of pressure sensing instrument is this?
remote sensing
how is pressure altitude displayed on an altimeter?
dial reading
How does an airspeed indicator measure air speed?
pitot air
why is there an alternate static air source built into a static system
for redundancy purposes
what is a lubber line on a direct reading compass?
the vertical line
What does HUMS stand for?
health unit monitoring system
How is the normal engine operating range displayed on an engine instrument?
by a green arc
how is electrical power produced?
generator
what is the main problem with a NiCad battery?
is subject to thermal runaway
What unit are batteries amp supply capacity before running out measured in?
Ampere hour
what are the main components of a DC generator
slip rings, loop, brushes and magnet
what system is used to regulate, generate and distribute power throughout the aircraft?
power distribution system
what is used to turn DC current into AC current
an inverter
what is used to turn AC current to DC current
a rectifier
