8-47.
8-48.
8-49.
8-50.
8-51.
8-52.
The differential pressure indicator
on a filter assembly is reset by
what means once the button is
extended?
1.
Pneumatically
2.
Hydraulically
3.
Electrically
4.
Manually
To prevent fluid loss when the bowl
has been removed, most filter
assemblies incorporate what item in
the head?
A check valve
A cover plate
A quick disconnect
An automatic shutoff valve
Prior to the installation of a
cleaned filter bowl, the bowl
should be filled with new filtered
hydraulic fluid from an authorized
servicing unit.
True
False
What type of accumulator is most
commonly used in high-pressure
hydraulic systems?
1.
The ball type
2.
The diaphragm type
3.
The spherical type
4.
The cylindrical type
Which of the following components
is/are NOT a part of a cylindrical
type accumulator?
Rubber diaphragm
Piston assembly
Cylinder
End caps
You can preload an accumulator by
using which of the following
procedures?
1.
Pressurizing the fluid chamber
with compressed air
2.
Filling the fluid chamber with
a prescribed amount of fluid
3.
Inflating the air chamber to a
predetermined pressure below
the system operating pressure
4.
Inflating the air chamber to a
predetermined pressure above
the system operating pressure
8-53.
Most naval aircraft are equipped
with air pressure gauges to read
the preload of an accumulator after
relieving hydraulic system
pressure.
True
False
8-54.
To indicate the amount of pressure
in a hydraulic system, naval
aircraft use what two types of
pressure gauges?
1.
Synchro and electric
2.
Direct-reading and synchro
3.
Direct-reading and Bourdon
4.
Direct-reading and indirect-
reading
8-55.
The Bourdon tube in a direct-
reading pressure gauge is operated
by what means?
1.
Spring action
2.
Fluid pressure
3.
Electrical
4.
Mechanical
8-56.
A synchro-type
transmits what
the synchro to
1.
Pneumatic
2.
Hydraulic
3.
Mechanical
4.
Electrical
current
linkage
pressure indicator
type of signal from
the indicator?
8-57.
To prevent damage to gauges and
pressure transmitters, hydraulic
systems use what component?
1.
Pressure regulators
2.
Restrictor valves
3.
Snubbers
4.
Buffers
8-58.
An aircraft emergency power system
pump can be powered by which of the
following methods?
1.
A hand pump
2.
A ram-air turbine
3.
An electric motor
4.
Each of the above
8-59.
The pressure switch of an electric,
motor-driven, emergency power
system is actuated by what means?
1.
Manually, by the pilot
2.
Mechanically, by the pump motor
3.
Automatically, by hydraulic
pressure
4.
Electrically, by the emergency
switch
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