Fresh water Flashcards
1
Q
Uses of fresh water?
A
Drinking
Washing
Cooking
Cleaning
2
Q
The services provided by the fresh water system include
A
The laundry The galley Showers and sinks Water heaters Medical use Bridge window washers Fresh water hose reals Machinery cooling
3
Q
State what Osmosis means
A
The transfer of pure water through a semi-permeable membrane into salt water
4
Q
State what reverse osmosis means
A
The transfer of water from salt water through a semi-permeable membrane into pure water
5
Q
What does hypersperse do
A
Prevents the salt precipitation from fouling
6
Q
what colour are fresh water hoses
A
Blue in colour
7
Q
what do you flush fresh water hoses out with before use
A
fresh water
8
Q
what are the water tests in order
A
Visual test
CHEMest test
taste test
9
Q
whats the purpose of an air eliminator
A
Reduce the effects of water hammer
