Skip to content

Knowledge Of Sea

We will keep you updated

  • Home
  • Video
  • Chartering Terms
  • Rule of the Road (COLREG)
    • Nautical Flags
    • Rule of the Roads – CARDS
  • Tanker Definitions
  • Downloads
  • ORAL NOTES
    • ORAL NOTES- 2ND OFFICER
    • ORAL NOTES- CHIEF MATE
  • About Me
  • Exit Exam
    • FPFF exit exam questions and answers
    • EFA exit exam questions and answers
    • BST exit exam questions and answers
    • AFF DG Shipping exit exam question and answers
  • Toggle search form

Category: LSA & FFA

Operation of hyper mist system

Posted on August 21, 2024August 21, 2024 By admin No Comments on Operation of hyper mist system
Operation of hyper mist system

Working System consists of a freshwater tank, freshwater pump, solenoid valves, nozzle, control unit, etc. At the time of fire, fresh water pump takes suction from fresh water tank to the sprinklersystem at high pressure.Each area separated by isolating valves which will operate during fire. How to Activate hyper mist system:- It can be done…

Read More “Operation of hyper mist system” »

LSA & FFA

PUMP ROOM & ENGINE ROOM HIGH EXPANSION FOAM FIRE  EXTINGUISHING SYSTEM

Posted on June 24, 2023June 24, 2023 By admin No Comments on PUMP ROOM & ENGINE ROOM HIGH EXPANSION FOAM FIRE  EXTINGUISHING SYSTEM
PUMP ROOM & ENGINE ROOM HIGH EXPANSION FOAM FIRE  EXTINGUISHING SYSTEM

High  expansion  foam  provides  fire  extinguishing  capability  by  excluding oxygen  from  the seat of the fire and by the cooling  effect  caused  by the evaporation  of the foam bubbles. Foam is made by mixing a foam making chemical with sea water. The sea water is supplied from the emergency fire pump. The foam liquid tank…

Read More “PUMP ROOM & ENGINE ROOM HIGH EXPANSION FOAM FIRE  EXTINGUISHING SYSTEM” »

LSA & FFA

LIFERAFTS

Posted on June 22, 2023June 22, 2023 By admin No Comments on LIFERAFTS
LIFERAFTS

There are four sixteen person liferafts stowed close by each lifeboat on the main deck and one 6 man liferaft located just aft of the bosun’s store entrance on the forward main deck. The 16 man liferafts which each weigh 135kgs when empty and the 6 man liferaft situated behind a weather shield weighs 74kgs….

Read More “LIFERAFTS” »

LSA & FFA

Categories

  • Bulk Carrier
  • Cargo handling
  • Engine Room Operations
  • LSA & FFA
  • Maritime Industry
  • Maritime Law
  • Merchant Shipping
  • Navigation
  • Rules and Regulation
  • Ship Construction
  • Shipboard operation
  • Stability
  • Tanker
  • Uncategorized

Blog is primarily for candidates appearing for certificate of competency exams but such is the detail that while being equally suitable for the beginner, it is also reference work for experienced seaman, and the layout and style of blog make it suitable for shipboard training where practical experience can be allied to the theoretical approach.

Recent Comments

  • capt on Radar Best Practice -ARPA
  • admin on Dry Docking (Theory & Numericals)
  • Stelios Karamplakas on Dry Docking (Theory & Numericals)
  • Farid OMARI on Demurrage
  • admin on Tanker Cargo Calculations

Copyright © 2018 knowledge of sea – All Rights Reserved.

If you’re unsure about what type of training will work best for you, just tell us a little more about your needs. We will get back to you as soon as possible with the answers you need!

All answers will be from sailor mouth, who is practically working on board.

January 2026
S M T W T F S
 123
45678910
11121314151617
18192021222324
25262728293031
« Dec    

Copyright © 2026 Knowledge Of Sea.

Powered by PressBook WordPress theme