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Questions and Answers
Describe the method of testing a bilge high level alarm switch.
Describe the method of testing a bilge high level alarm switch.
By simulating a high level in the bilge tank and checking if the alarm is triggered.
List FIVE checks that would be made before taking over a main and auxiliary machinery space watch, stating a reason for EACH check.
List FIVE checks that would be made before taking over a main and auxiliary machinery space watch, stating a reason for EACH check.
- Check for any fuel or oil leaks to prevent fire hazards. 2. Verify proper ventilation for air quality. 3. Ensure all machinery is running within operational parameters. 4. Inspect for any abnormal noises or vibrations indicating potential issues. 5. Confirm all safety systems are operational for immediate response if needed.
State why breakdowns should be kept to a minimum.
State why breakdowns should be kept to a minimum.
Breakdowns lead to downtime, loss of productivity, and can pose safety risks.
State the SIX MARPOL annexes which are currently in force.
State the SIX MARPOL annexes which are currently in force.
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State which engines have to comply with the legislation regarding Oxides of Nitrogen (NOx) as per MARPOL Annex VI.
State which engines have to comply with the legislation regarding Oxides of Nitrogen (NOx) as per MARPOL Annex VI.
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State TWO other pollutants that MARPOL Annex VI is designed to limit.
State TWO other pollutants that MARPOL Annex VI is designed to limit.
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State the THREE main stages of a Biological Sewage Treatment Plant.
State the THREE main stages of a Biological Sewage Treatment Plant.
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Define the term relative humidity.
Define the term relative humidity.
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Explain the difference between a dry bulb and wet bulb thermometer reading, describing how these readings are used in conjunction with a psychrometric chart.
Explain the difference between a dry bulb and wet bulb thermometer reading, describing how these readings are used in conjunction with a psychrometric chart.
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Explain what is meant by the term comfort zone, stating typical figures.
Explain what is meant by the term comfort zone, stating typical figures.
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Describe the operation of a Silver-Ion method of sterilization, for use in a vessel's domestic drinking water system.
Describe the operation of a Silver-Ion method of sterilization, for use in a vessel's domestic drinking water system.
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Describe the construction and operation of an Active Controlled Tank roll damping system.
Describe the construction and operation of an Active Controlled Tank roll damping system.
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Study Notes
Testing a Bilge High Level Alarm Switch
- A bilge high level alarm switch is tested for proper functionality by simulating a high-water level condition.
- This involves activating the switch manually or using a test button to ensure it triggers an alarm sound.
Pre-Takeover Checks for Machinery Space Watch
- Check bilge alarm functionality to ensure immediate alerts in case of flooding.
- Inspect cooling water systems to confirm they are operational, preventing overheating of machinery.
- Verify fuel, oil, and lube levels to avoid machinery breakdown from inadequate supplies.
- Check fire detection systems to safeguard against potential fire hazards in the space.
- Review logbooks for any unusual entries, indicating past issues that may require attention.
Minimizing Breakdowns
- Breakdowns should be minimized to maintain operational efficiency and prevent costly repairs or downtime.
- Minimizing breakdowns ensures a safer working environment and reduces risks to personnel.
MARPOL Annexes in Force
- MARPOL Annex I: Prevention of Pollution by Oil
- MARPOL Annex II: Control of Pollution by Noxious Liquid Substances
- MARPOL Annex III: Prevention of Pollution by Harmful Substances Carried by Sea in Packaged Form
- MARPOL Annex IV: Prevention of Pollution by Sewage from Ships
- MARPOL Annex V: Prevention of Pollution by Garbage from Ships
- MARPOL Annex VI: Prevention of Air Pollution from Ships
NOx Compliance under MARPOL Annex VI
- Engines subject to NOx regulations include marine diesel engines with a power output of 130 kW and above, installed on ships constructed after specified dates.
Other Pollutants Limited by MARPOL Annex VI
- Sulphur oxides (SOx) emissions are restricted to reduce air pollution.
- Volatile organic compounds (VOCs) are also controlled to minimize harmful emissions.
Stages of a Biological Sewage Treatment Plant
- Primary treatment: Physical separation of solids from liquid waste.
- Secondary treatment: Biological processes to break down organic matter using microorganisms.
- Tertiary treatment: Final purification to remove remaining contaminants before discharge.
Relative Humidity
- Relative humidity measures the amount of moisture in the air compared to the maximum moisture the air can hold at a specific temperature.
Dry Bulb vs. Wet Bulb Thermometers
- A dry bulb thermometer measures air temperature; a wet bulb thermometer includes a wet wick that cools when moisture evaporates.
- The difference between the two readings indicates humidity levels and is used with a psychrometric chart to determine comfort levels and moisture content in the air.
Comfort Zone Definition
- The comfort zone refers to the range of temperature and humidity where people generally feel at ease, typically around 20-24°C and 40-60% relative humidity.
Silver-Ion Sterilization Method
- Silver-ion sterilization involves adding silver ions to drinking water, which effectively kills bacteria and pathogens without harmful chemicals.
Active Controlled Tank Roll Damping System
- An active controlled tank roll damping system consists of tanks filled with liquid that shifts to counteract vessel roll.
- Sensors detect the ship's motion, and pumps automatically adjust the liquid distribution, enhancing stability and reducing discomfort for passengers and crew.
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Description
Prepare for the Small Vessel Second Engineer 060-02 examination administered by the Scottish Qualifications Authority on behalf of the Maritime and Coastguard Agency. Topics include operational procedures, basic hotel services, ship construction, and more. Non-programmable calculators are allowed during the exam.
