Handling Hazardous Materials

Questions and Answers

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?

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?

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?

Classified as a carcinogen. Signup and view all the answers

What is a significant characteristic of dust concerning fire safety?

It supports combustion as an oxidizer. Signup and view all the answers

Which of the following is NOT a mentioned effect of dust on health?

Supports bone health. Signup and view all the answers

What precaution is advised when dealing with airborne dust?

Wear a respirator. Signup and view all the answers

What is the appropriate action when sending dangerous cargo by ship?

Provide a written notice about the cargo. Signup and view all the answers

What is the primary component that ensures directional control in a transport vessel?

Steering Gear Signup and view all the answers

Which item is necessary to comply with safety regulations for inflatable Uferrafts?

Release Expiry Date Signup and view all the answers

When referring to life jackets, which aspect is crucial for determining their operational readiness?

Expiry Date Signup and view all the answers

Which of the following categories relates to emergency signaling devices?

DistreA Signals Signup and view all the answers

In vessel design, what does the 'Hose diameter' primarily impact?

Fluid Flow Rate Signup and view all the answers

What is an important consideration when determining the 'Position of suction' in a fluid system?

Minimizing cavitation Signup and view all the answers

Which of the following is not typically a factor to assess for bulb wattage in a lighting system?

Duration of use Signup and view all the answers

What is the significance of 'Torque' in relation to mechanical systems?

It measures rotational energy Signup and view all the answers

When evaluating different types of materials for constructing a vessel, which property is least relevant?

Visual Aesthetics Signup and view all the answers

In terms of operational efficiency, which aspect is most critical when selecting a jet nozzle diameter?

Flowrate adjustment Signup and view all the answers

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.