Podcast
Questions and Answers
What is a primary hazard associated with dust mentioned in the content?
What is a primary hazard associated with dust mentioned in the content?
- It has no effect on human health.
- It acts as a preservative for organic materials.
- It can irritate skin, eyes, and mucous membranes. (correct)
- It can enhance the flavor of food.
Which statement reflects a property of dust as indicated in the content?
Which statement reflects a property of dust as indicated in the content?
- Dust is a common food additive.
- Dust can be explosive. (correct)
- Dust promotes electrical conductivity.
- Dust is an effective lubricant.
How should a person handle dust in terms of personal protection?
How should a person handle dust in terms of personal protection?
- Avoid wearing protective gear.
- No special precautions are needed.
- Wear gloves and a respirator if airborne. (correct)
- Only wear a mask if dust is visible.
What classification is given to dust regarding health in the content?
What classification is given to dust regarding health in the content?
What is a significant characteristic of dust concerning fire safety?
What is a significant characteristic of dust concerning fire safety?
Which of the following is NOT a mentioned effect of dust on health?
Which of the following is NOT a mentioned effect of dust on health?
What precaution is advised when dealing with airborne dust?
What precaution is advised when dealing with airborne dust?
What is the appropriate action when sending dangerous cargo by ship?
What is the appropriate action when sending dangerous cargo by ship?
What is the primary component that ensures directional control in a transport vessel?
What is the primary component that ensures directional control in a transport vessel?
Which item is necessary to comply with safety regulations for inflatable Uferrafts?
Which item is necessary to comply with safety regulations for inflatable Uferrafts?
When referring to life jackets, which aspect is crucial for determining their operational readiness?
When referring to life jackets, which aspect is crucial for determining their operational readiness?
Which of the following categories relates to emergency signaling devices?
Which of the following categories relates to emergency signaling devices?
In vessel design, what does the 'Hose diameter' primarily impact?
In vessel design, what does the 'Hose diameter' primarily impact?
What is an important consideration when determining the 'Position of suction' in a fluid system?
What is an important consideration when determining the 'Position of suction' in a fluid system?
Which of the following is not typically a factor to assess for bulb wattage in a lighting system?
Which of the following is not typically a factor to assess for bulb wattage in a lighting system?
What is the significance of 'Torque' in relation to mechanical systems?
What is the significance of 'Torque' in relation to mechanical systems?
When evaluating different types of materials for constructing a vessel, which property is least relevant?
When evaluating different types of materials for constructing a vessel, which property is least relevant?
In terms of operational efficiency, which aspect is most critical when selecting a jet nozzle diameter?
In terms of operational efficiency, which aspect is most critical when selecting a jet nozzle diameter?
Study Notes
Hazards of Dust
- Dust can irritate skin, eyes, and mucous membranes
- Can enter skin through scratches and cuts, producing painful lesions
- Dust and powder can be explosive
- Determined to be a carcinogen
- Avoid breathing dust
Handling Precautions
- Wear gloves when handling
- Wear a respirator if dust is airborne
- Strong oxidizer, supports combustion
- Airborne dust is an irritant
- Very strong fuel
Shipping Dangerous Cargo
- A person must give written notice to the master of the ship before sending dangerous cargo
- The notice must state each of the following:
Maritime Equipment
- Steering gear material, model, power, and position
- Engine type, model, power, and position
- Pump type, model, power, and position
- Generator type, model, power, and position
- Life raft and emergency position-indicating radio beacon (EPIRB) expiry dates
- Uferafts and release expiry dates
- Life jacket lights and other approved lights
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Description
Learn about the hazards of dust and necessary precautions to handle it safely. Understand the risks of airborne dust and how to avoid them. Know the shipping regulations for dangerous cargo.
