Power&distribution Flashcards
1
Q
- How many diesel generators are fitted to a Generic Distribution System?
A
2
Q
A) There are four generators fitted to a ship
A
3
Q
- What does EDC stand for?
A
4
Q
A) Electrical Distribution Centre
A
5
Q
- How many EDC’s are fitted to a Generic Distribution System?
A
6
Q
A) Thère are four EDC’s
A
7
Q
- What does MCCB stand for?
A
8
Q
A) Moulded Case Circuit Breakers
A
9
Q
- List the 5 main breakers fitted to a Generic Distribution System and explain their
A
10
Q
use.
A
11
Q
A) i) Supply Breaker ii) Shore Supply / Ship Alongside Breaker iii) Bus Bar
A
12
Q
Linking Breaker iv) Interconnector Breaker v) Feeder Breaker
A
13
Q
- Use the drawing provided
A
label the Generic Distribution System.
14
Q
A) Drawing 1
A
15
Q
- What is the Power Book and when is it used?
A
16
Q
A) The Power Book shows the distribution of all 440v services used when tracing
A
17
Q
which services are fed from which fuse panel
A
transformer
18
Q
- What is the Lighting Book and when is it used?
A
19
Q
A) The lighting book shows 115v / 230v and is used in the same way as the
A
20
Q
Power Book
A
21
Q
- What is the ‘Reference Book’ and when is it used.
A
22
Q
A) The Reference Book is used in conjunction with the Power Book and lists all
A
23
Q
• fittings
A
number fitted
24
Q
- Complete the ‘Fuse Post Code’ on the drawing.
A
25
Q
A) Drawing 2
A
26
Q
- What is the ratio for 440V fuses regarding fuse discrimination?
A
27
Q
A) 3:1
A
28
Q
- What is the ratio for 115V fuses regarding fuse discrimination?
A
29
Q
A) 2:1
A
30
Q
A