Yacht Second Engineer Exam: Operational Procedures and Ship Construction
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Questions and Answers

What does MARPOL Annex VI regulate with regard to Oxides of Nitrogen (NOx)?

  • Engines used in fishing vessels
  • Engines with a power output of more than 130 kW (correct)
  • Engines with a power output of less than 130 kW
  • Engines used in recreational boats

    • Apart from NOx, which TWO other pollutants is MARPOL Annex VI designed to limit?

  • Carbon monoxide and Sulfur oxides
  • Volatile Organic Compounds and Lead
  • Mercury and Ozone
  • Hydrocarbons and Particulate matter (correct)

    • What are the THREE main stages of a Biological Sewage Treatment Plant?

  • Screening, Aeration, Sludge Digestion (correct)
  • Primary, Secondary, Tertiary
  • Inlet, Sedimentation, Discharge
  • Mixing, Clarification, Filtration

    • How is relative humidity defined in the monitoring of air conditioning systems?

    <p>The ratio of water vapor present in the air to the maximum possible at the same temperature</p> Signup and view all the answers

    What is the difference between a dry bulb and wet bulb thermometer reading in air conditioning systems?

    <p>Dry bulb measures temperature, wet bulb measures humidity</p> Signup and view all the answers

    What is meant by the term comfort zone in the context of air conditioning systems?

    <p>The temperature range where most people feel comfortable</p> Signup and view all the answers

    Describe the operation of a Silver-Ion method of sterilization used in a vessel's domestic drinking water system.

    <p>Chemical process involving heavy metals</p> Signup and view all the answers

    What regulation regarding the rate of flooding with respect to time applies to machinery space carbon dioxide smothering systems?

    <p>$1.5 kg/m^3$ per minute for at least 10 minutes</p> Signup and view all the answers

    What is the purpose of scheduled maintenance?

    <p>To reduce the need for unscheduled maintenance</p> Signup and view all the answers

    Why might unscheduled maintenance be required even if a scheduled maintenance system is in operation?

    <p>Because scheduled maintenance cannot prevent all failures</p> Signup and view all the answers

    Why should breakdowns be kept to a minimum?

    <p>To minimize downtime and loss of revenue</p> Signup and view all the answers

    Which of the following is NOT a valid reason for breakdowns to be kept to a minimum?

    <p>To increase the number of scheduled maintenance tasks</p> Signup and view all the answers

    Name the SIX MARPOL annexes currently in force.

    <p>Annex I - IV, VI, and VII</p> Signup and view all the answers

    Which of the following is NOT one of the MARPOL annexes currently in force?

    <p>Annex IX</p> Signup and view all the answers

    What should be the focus of a main and auxiliary machinery space watch before taking over?

    <p>Ensuring proper safety checks and procedures</p> Signup and view all the answers

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