Tag: #chlorinesolution

  • EK General Mar 2024 (Q7)

    EK General Mar 2024 (Q7)

    With reference to bacteria harmful to humans in drinking and washing water: (a) State the constraints placed on the installation and use of systems for shipboard production of fresh water (3) (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe how the entire fresh water system can be made free…

  • EK General Jul 2020 (Q6)

    EK General Jul 2020 (Q6)

    With reference to the treatment of domestic water for potable use: (a) describe the principle of operation of a sterilizer that uses silver ions; (4) (b) state the advantages of silver ion sterilization over other methods; (2) (c) state the inspections and maintenance that should be carried out on EACH of the following: (i) fresh…

  • EK General Oct 2017 (Q6)

    EK General Oct 2017 (Q6)

    With reference to bacteria harmful to humans in drinking and washing water: (a) State the constraints placed on the installation and use of systems for shipboard production of fresh water (3) (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe how the entire fresh water system can be made free…