While an HSU-1 is not in use, what method
is used to make sure that the hose end
It is covered with a MAF bag
It is covered with bubble wrap
It is connected to an external fitting
It is connected to a fitting on the base
of the HSU-1
In the Navy, you are responsible for your
own safety as well as the safety of your
What device should be used on or around
jet intakes during ground maintenance
turnup of jet aircraft?
2. Protective covers
After operation, personnel should not work
on the exhaust section of a jet engine for
what minimum period?
1. 15 min
2. 30 min
3. 45 min
4. 60 min
Personnel working around jet aircraft
should take which of the following
precautions to protect their hearing?
Wear the proper ear protection
Complete work within exposure time
Have periodic checks on hearing
Each of the above
IN ANSWERING QUESTION 5-42, REFER TO
FIGURE 5-13 IN THE TEXTBOOK.
When the aircraft shown is at military
power, in what zone would you be exposed
to a maximum of 112 dB of engine noise?
1. Contour A
2. Contour B
3. Contour C
4. Contour D
Which of the following is either a safety
precaution or a safety attitude that you
should follow when you are working with
or around ejection seats?
Always consider an ejection seat
system as loaded and armed
Only authorized personnel may work
on ejection seats
Ejection seats must be treated with the
same respect as a loaded gun
Each of the above
From what direction should personnel
approach an overheated wheel?
At a 45° angle
From the right side
From the left side
From the fore or aft direction
What is the recommended procedure for
cooling an overheated wheel?
Spray the wheel with CO2
Spray the wheel with cool water
Spray the wheel with AFFF
Park the aircraft in an isolated area for
45 to 60 minutes