Given questions week 5 Flashcards
What is the function of the nuclear steam raising plant?
Produce steam via the fission process in a reactor
Name 4 types of radiation
- Neutron
- Alpha
- Beta
- Gamma
How many TGs are fitted on board?
2
What is the function of a turbo generator?
Create electricity from steam
What are 2 hazards associated with steam
- Scalding
- Burning
Name 2 functions of the shaft
- Connect gearbox to the propulsor
- Transmit power
With respect to the primary system how is heat removed from the reactor?
- Via primary coolant
- Circulated round primary loop
- Circulation driven by main coolant pumps
What are the 3 key parameters of the primary system?
- Temperature
- Pressure
- Flow
Where is the chilled water system operated from?
EP
How many chilled water plants are on boats 1-3 and 4 onwards respectively?
1-3 has 3
4 onwards has 2
List alternative sources of electrical supply
- Battery
- Shore supply
- Diesel generators
State 5 hazards associated with battery
- Shock
- Heat
- Fire
- Explosion
- Gases
6 components of the main AC system
- TG
- Main static converter
- Diesel generator
- Shore supply
- Non essential switchboard
- Essential switchboard
- Non essential load centre
- Essential load centre
Name 4 components of the DC system
- Diesel generators
- Main static converters
- Shore supply
- Batteries
What is the purpose of the 24v DC system?
- Control
- Alarm
- Indication
What are the 3 main supply voltages?
- 440v
- 115v
- 230v
5 components of the 400hz system
- Swim starter
- Distribution panel
- Circuit breaker panel
- 400hz static converter 1
- 400hz static converter 2
Name 2 modes of MsC operation
- Voltage sensing
- Frequency sensing
What are methods of 24v
- TRDV
- Batteries
Where is the accident book located?
Control room
Whos permission must be obtained when opening air locks in harbour?
OOD
What’s the pressure range of hydraulic system?
180 to 207 bar
