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What are the 4 phases of the basic steam cycle?
How many propellers does Nimitz have?
4; 22ft diameter
Define HP air.
3k-5k psi. Used for weapons elevators, aircraft elevators, and JBDs
Define LP air.
100-125 psi; used for pneumatic tools
What is the purpose of the ships electrical distribution system?
To provide 60Hz, 115VAC power for loads
How many A/C plants do we have onboard and what type?
10 - York 363 ton
How many refrigeration plants are onboard?
5 - York 10 ton
What is the purpose of degaussing?
To reduce the magnetic signature of the ship.
What are the four modes of steering?
- Hand electric
How many HPACs do we have onboard?
How many LPACs do we have onboard?
What does CHT stand for? How many tanks?
Collection, holding, and transfer. 5 total
How many list control tanks do we have onboard and how many pumps? Where are the pumps located?
- 10 tanks
- 2 pumps - 4A shaft alley
Where is aft steering located?
3rd deck back aft port and starboard side
What colors do you see on the piping in aft steering?
Orange and gray
List the 4 major components of the refrigeration cycle
- Thermal expansion valve
What type of refrigerant do we use in the A/Cs?
What type of refrigerant is used in the refrigeration units?
What is the primary and secondary purposes if the A/C units?
- Primary - cool vital equipment and radars
- Secondary - comfort of the crew
What type of catapulted system is used onboard Nimitz? What is its advantage?
- Wet accumulator type
- Faster recovery time
What does CSC stand for?
Catapult supervisory control
How is a fire extinguished in the catapult trough?
Where are the CHT tanks located?
What are the 3 modes of operation for CHT?
What type of gas is dangerous to inhale from CHT?
What does lox and lin stand for?
- Liquid oxygen
- Liquid nitrogen
What is lox used for?
Aviators breathing oxygen
What is gaseous oxygen used for?
What is lin used for?
Wart removal by medical
What is gaseous nitrogen used for?
- Inflate tired
- Seat ejection shop
What are the 4 pieces of PPE required to be worn when working with lox or lin?
- Face shield
- Lox coveralls
- Leather gloves
- Lox boots
How many degaussing coils are there and what are they?
Where is the degaussing switchboard located and the remote switchboard?
- Remote located in the chart room 09 lvl
What is the football field in DC Central?
Panel that shows the status of what fire pumps are running. Also includes firemain pressure
What is contained in the engineering log?
- Engineering plant conditions
- Engine miles steamed in a day
What is the daily boat report?
A daily report to the CO stating the status of all the small boats
Name 4 engineering watches in DCC
- List control
- Damage control watch supervisor
What locations can you steer the ship from?
- Port and starboard aft steering
- Pilot house
- DCC - secondary control