Engineering Flashcards
What uses the fire main?
Fire main system Reefer units Aux cooling of machinery Flushing water for toilets Het blast deflector Eductors
AC plant #7 where is it used
AC plant for the island
H2S?
Hydrogen sulfide
Smells like rotten eggs
Temp for chill water?
44 degrees
Dangerous gas/CHT
Hydrogen sulfide
Ships service/emergency generators provide?
Provides entire ship with normal or emergency power
Switchboard?
Controls distribution of power
Bus ties?
Connect two or more switchboards so generators can be operated parallel
What is minimum CAT shot PSI?
450 PSI
Viral air?
Operation of equipment
Non vital air?
Non essential supplies
Storage capacity for LOX/LIN
1500 gallons
Disease from CHT
Cholera
Hepatitis
Thyphoid
Steering units online during normal operation
Two 1 port 1 STB 1&4 even days 2&3 odd days
MPA?
Main propulsion assistant
Operating mode for CHT
In port - sewage to pier
Transit - sewage to tanks
At sea - sewage pumped overboard
LOX is stored where
LOX cart max 50 gallons
Purpose of CAT system?
Provide force to launch air craft
How many CHT pumps?
4
Who works in A div?
MM
EN
Who works in R div?
HT
MR
Who works in E div?
EM
Who works in DC?
DC
Who works in MSC?
All rates
Who works in EX?
HT MR MM EN EM
HP/LP air cross connects?
Back up of LP air
Dehydrators do what?
Remove moisture from aircraft
RAM assembly location?
4th deck below after steering
Port & STB
Fire main pressure?
150 PSI +- 25
How many steering units?
4
System that operates steering unit?
Closed loop and system
Priority valves?
Valve that automatically secures air to non vital components
How many fire pumps?
22
How many AC reefers?
5
Primary and secondary purpose of AC?
Primary - provides cooling to vital electronic components
Secondary - crew comfort
How many fire pumps are electric?
18
1000 GPM
How many fire pumps are steam?
4
2000 GPM
Compressed air low pressure PSI?
100-125
How many CAT accumulators?
4
How many CATS?
4
1 and 2 bow
3 and 4 waist
Where does cat steam come from?
Main steam from reactor
GFE?
Gas free engineer
CPO or above
Fire Marshall?
Assistant to DCA
Fire pump loop on GW
Composite loop that can be split into 4 sections
Emergency steering?
2nd deck frame 247
Bring rubber mid ship during casualty
Phases of refrigeration?
Compression
Condensation
Evaporation
Expansion
How many O2N2 plants
2
Uses of LOX?
Aviation breathing oxygen
What state is fryquil dangerous
Aerosol
Compressed air high pressure PSI
600-5000 PSI
Purpose of potable water storage tanks
Stores potable water for crew and equipment
Purpose of air receivers?
Used to store compressed gas or liquid
What is temp of LOX?
-297
What is temp of LIN?
-320
PPE required for LOX/LIN?
Face shield, molders boots, cryo coveralls, welders gloves
What are basic safety precautions with LOX/LIN?
No smoking Adequate ventilation PPE Non spark tools Two person rule
Uses of LIN?
Wart clinic
Freeze seals
Shrink sittings
Capacity of sewage tanks?
FWD - 48,000 gallons
AFT - 50,000 gallons
Machinery spaces - 248 gallons
How many sewage collection tanks on board?
3
How many aircraft elevators?
4
How many AC plants?
10
AC plant classification?
York 363 TON centrifugal R-236
Where are AC plants located?
1 and 2 FWD AC MR 3 and 4 AFT AC MR 5 1MMR 6 2RAR 7 2MMR 8 and 10 3C shaft alley 9 7-25-0-E
Hyd fluid used in ACE?
Fryquil
CHT?
Collection holding transfer
Where can you steer the ship?
Bridge Trick wheel Secondary control in DCC Main propulsion Ratchet Pointer
Where are the electric control panels located?
1MMR
2MMR