Engineering Flashcards
How many refrigeration plants do we have?
5
How many A/C’s do we have inboard?
10
What type of A/C’s do we have onboard?
363 Ton York A/C
What type of refrigerant do the A/C’s use?
R-236FA
What type of refrigerant do the reefer’s use?
R-134A
What are the A/C’s used for?
Cools:
- ventilation
- radars
- potable water
- navigation equipment
- RAM launchers
What are refers used for?
Cools:
- chill boxes
- freeze boxes
- photo store room
WRV
- Water Regulating Valve
- Regulates cooling water passing through the condenser
What are the 4 phases of the refrigeration cycle?
- compression
- condensation
- evaporation
- expansion
What is the compressor known as?
The heart of the system
What is the microprocessor known as?
The brain of the system
What is the cycle for cooling reefers?
- compression
- condensation
- receiver
- thermal expansion valve
- evaporation
What is O2N2?
Liquid Oxygen and liquid nitrogen
Where are the O2N2 plants located?
- FWD Plant: HB1 port side
- AFT Plant: HB3 stbd side
What are some things we use LOX for?
Breathing air for the pilots flying at high altitudes
What are some things we use liquid nitrogen for?
Tires on jets
Name some PPE needed for handling liquid oxygen
- welder gloves
- face shield
- apron
- LOX suites
- LOX boots
What does does CHT stand for?
Collecting Holding Transfer
Where are the CHT tanks located?
- 3 FWD
- 1 MID
- 1 AFT
What type of gas is present with CHT?
Hydrogen Sulfide
What are the different modes for CHT?
-In Port: Sewage goes to shore connection on pier
-Transit: 3 miles- waste drains are diverted overboard
12 miles- solid drains are diverted overboard
-Underway: 50 miles- oily waste is diverted overboard
What is the primary use of catapults?
Launch Aircraft
Where are the Catapult Accumulators?
01 Level
What does CSC stand for?
Catapult Supervisory Control
