2-11.
The oscillating motion of the
windshield wiper system is
converted from rotary motion by
which of the following parts?
1.
Cam assembly
2.
Bell crank assembly
3.
Motion converter
4.
Hydraulic slide valve
2-12. Windshield washer solution
consists of 20 percent distilled
water and what percent additional
material?
Learning Objective:
Identify operating
principles, components,
and maintenance procedures
for fire-extinguishing
utility systems.
2-17. Aircraft fire-extinguishing
utility systems are designed
primarily to protect what
aircraft components?
1.
80 percent soap solution
2.
80 percent isopropyl alcohol
3.
80 percent aliphatic naphtha
4.
70 percent isopropyl alcohol
and 10 percent soap solution
1. Heaters
2. Engines
3. Fuel systems
4. Electronic equipment
2-13. The motor/pump assembly for the
S-3 aircraft windshield washer is
mounted in what location?
1.
In the reservoir
2.
Between the reservoir and the
filter
3.
In the nosewheel well
4.
Behind the cockpit switch
panel
2-14. The windshield wiper switch must
be in which of the following
positions before the rain
repellent system will function?
1.
Low
2.
Off
3.
Either 1 or 2 above
4.
High
2-15. Approximately how many
applications of rain repellent
fluid are available from a full
container?
1.
10
2.
30
3.
60
4.
100
2-16. The nitrogen pressure in a fully
charged rain repellent container
will read what psi?
1.
50 psi
2.
75 psi
3.
100 psi
4.
150 psi
2-18.
The inspection and maintenance of
aircraft fire-extinguishting
systems is an important
responsibility of the AME.
1.
True
2.
False
2-19.
CF3Br is a desirable fire-
extinguishing agent for which of
the following reasons?
1.
It is noncorrosive and leaves
no residue
2.
It is an electrical insulator
3.
It goes farther than CO2, and
does not deteriorate
4.
Each of the above
2-20.
The CF3Br agent discharged from
the distributing assembly as a
spray extinguishes an engine fire
by what action?
1.
It lowers the temperature to
a point at which combustion
will not take place
2.
It forces the fire away from
the engine
3.
It vaporizes in the heat and
smothers the fire by reducing
the oxygen content of the
area
4.
It acts in all of the above
ways
2-21.
What retains the nitrogen charge
and CF3Br agent in the container?
1.
A bonnet and a cartridge
2.
A bonnet and a frangible disc
3.
A frangible disc and a
cartridge
4.
A frangible disc and a
fusible plug
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