Shipboard Drainage System

Question 1

Two ways of draining a space

Answer 1

Power Flow

Gravity Flow

Question 2

Main drainage system use to?

Answer 2

Dewater Main Space

Question 3

Secondary Drainage system use to dewater?

Answer 3

Foward & AFT of machinery spaces

Question 4

Special Drainage use for?

Answer 4

Amunition & Sanitation

Question 5

When aligning a eductor there is a possibility danger of _______

Answer 5

Asphyxation

Question 6

Once Space has been dewater ensure the space has ______?

Answer 6

Oxygen

Question 7

Who gives permission for eductor operation underway?

Answer 7

EOOW

Question 8

Who gives permission for eductor operation inport?

Answer 8

EDO

Question 9

When securing eductor what are the steps

Answer 9

Close Suction
Close Firemain
Close Discharge

Question 10

What is true baout secondary system?

Answer 10

Independent from the main system

Question 11

Last step for aligning eductor?

Answer 11

Open Suction Valve

Question 12

Gravity drains classified as?

Answer 12

Special Drainage system

Question 13

Magazines located above & adjecent to weather deck drain trough check valve to _______

Answer 13

Weather Deck

Question 14

Outside influence effects?

Answer 14

Loss of firemain pressure

Question 15

Who is responsible for drainage system maintenance?

Answer 15

Division for that space

Question 16

Magazines not located adjacent to weather deck over drainage provided by?

Answer 16

Deck