Do not inhale refrigerant vapors.
Q11-22. Which of the following modes of operations
on the A/M32C-17 will pump all of the
NEVER heat refrigerant drums or tanks with a
refrigerant into the receiver until the
flame.
low-pressure cutout stops the compressor?
NEVER heat any part of a refrigerating system if
1.
Pump down
the refrigerant is stored within.
2.
Dehumidification
3.
Ventilation
When repairing a refrigerant pipe or tubing,
4.
Humidify
always purge the refrigerant gas out of the line
before applying a torch.
Q11-23. What is the purpose of the middle hose on the
refrigerant manifold test set?
NEVER put liquid refrigerant into a compressor
suction side.
1. It is connected to the low-pressure side
when servicing the unit with refrigerant
NEVER fill a refrigerant cylinder to more than
2. It is connected to the refrigerant supply
80 percent of its capacity.
cylinder when servicing the unit with
Be careful when working near rotating or
refrigerant
3. It is connected to the high-pressure side
moving components.
when servicing the unit with refrigerant
Do not work on energized electrical circuits
4. It is connected to the low-pressure side
unless absolutely necessary.
when removing the refrigerant from the
If possible, work in pairs or teams (crews).
system
Q11-24. How much recovery time is required by the
FIRST-AID TREATMENT FOR
halogen leak detector probe after being
REFRIGERANT BURNS
removed from a contaminated area?
1.
1 minute
If liquid refrigerant comes in contact with your
2.
2 minutes
skin, a serious burn may result. Such an injury should
3.
5 minutes
be treated as if the skin were frostbitten or frozen,
4.
It is virtually instantaneous
which is to wash or immerse the area in clean water that
is slightly above body temperature (104 to 113F). The
Q11-25. When charging a refrigeration system, what
exposed area should then be loosely wrapped with a
type of refrigerant is used to charge the high
clean, dry dressing. If the refrigerant should come in
side to the system?
contact with your eyes, flush them out with clean cool
1.
Cool Gas
water. In either case, seek immediate medical attention.
2.
Warm Vapor
Q11-20. I n w h a t l o c a t i o n i s t h e A / M 3 2 C - 1 7
3.
Cool Liquid
air-conditioning unit intended to be used?
4.
Super heated vapor
1.
On the flight deck of an aircraft carrier
Q11-26. Which of the following items does the Navy
2.
On the flight line of a naval air station
use to recover and recycle refrigerant?
3.
In the hanger bay of an aircraft carrier
1.
BTU-110
4.
In the hanger bay of an amphibious
2.
ST-1000
assault ship
3.
RT-310
Q11-21. Which of the following is NOT a mode of
4.
ST-2000
operation of the A/M32C-17?
Q11-27. Which of the following discrepancies could be
1.
Cool
the cause for noisy compressor operation?
2.
Dehumidify
1.
Solenoid valve defective
3.
Ventilate
2.
Overcharge of refrigerant
4.
Humidify
3.
Leaky compressor valve
4.
Loose drive coupling
11-36
