pumps

Question 1

8 reasons for a bilge pump failing to gain suction

Answer 1

1. filter blocked
2. valves shut
3. line damaged
4. pump damaged
5. electrical problem or isolation
6. fluid too viscos
7. not enough fluid to pump
8. solonoid broken

Question 2

why would you start a pump with the discharge valve closed

Answer 2

to lower the starting current so you are not starting the motor on full load, and so it can overcome the inertia of the pump

Question 3

describe the bilge injection system

Answer 3

biggest pump Onboard that takes suction from the lowest point of the ship