Safety Quiz

What should a person wear to prevent eye burn from arc welding?

• chipping goggles with side shields

• safety glasses with side shields

• helmet with #10 shade lens

• face shield with headband

Answer explanation

To prevent eye burn from arc welding, a helmet with a #10 shade lens is essential as it provides adequate protection from intense light and UV radiation, unlike the other options which do not offer sufficient coverage.

Red is the color used to show the location of:

• fire extinguishers.

• first aid kits.

• work zones.

• trash cans.

Answer explanation

Red is universally recognized as the color indicating safety equipment, particularly fire extinguishers, which are crucial for emergency situations. Other options do not typically use red for identification.

How can the climber keep from falling off a ladder?

• use the top step to reach higher

• purchase and use a heavy-duty ladder

• read and follow the manufacturer’s safety rules

• place the bottom of the ladder 10 feet from the building

Answer explanation

Reading and following the manufacturer’s safety rules is crucial for ladder safety. These guidelines provide essential information on proper usage, ensuring the climber minimizes the risk of falling.

Gasoline and paint should be stored in a:

• flammable materials cabinet.

• metal container.

• plastic bin.

• wooden box.

Answer explanation

Gasoline and paint are flammable substances that require safe storage. A flammable materials cabinet is specifically designed to contain and minimize fire hazards, making it the safest choice for these items.

To help prevent fires, the welding area should be cleared of:

• metal materials.

• combustible materials.

• noncombustible materials.

• tools and fastening materials.

Answer explanation

To prevent fires in the welding area, it is crucial to clear away combustible materials, as they can easily ignite from sparks or heat. Metal and noncombustible materials do not pose the same fire risk.

Adequate ventilation is the best way to avoid problems from:

• cold weather.

• welding fumes.

• striking an arc.

• cold-rolling steel.

Answer explanation

Adequate ventilation is crucial to mitigate the harmful effects of welding fumes, which can be toxic when inhaled. Proper airflow helps to disperse these fumes, reducing health risks associated with welding activities.

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

What type of fire extinguisher should be used for electrical fires?

• Water extinguisher

• Foam extinguisher

• Dry powder extinguisher

• CO2 extinguisher

Answer explanation

A CO2 extinguisher is ideal for electrical fires as it does not conduct electricity and effectively displaces oxygen, suffocating the fire. Water and foam extinguishers can conduct electricity, making them unsafe for such fires.

Which of the following is a safe practice when using a power tool?

• Wearing loose clothing

• Operating tools in wet conditions

• Using tools with frayed cords

• Wearing appropriate personal protective equipment

Answer explanation

Wearing appropriate personal protective equipment is essential for safety when using power tools, as it helps protect against injuries. The other options, like loose clothing and frayed cords, increase risk.

What is the primary purpose of a hard hat on a construction site?

• To enhance visibility

• To improve communication

• To protect against falling objects

• To keep the head warm

Answer explanation

The primary purpose of a hard hat on a construction site is to protect against falling objects, which can cause serious injuries. While it may enhance visibility or keep the head warm, its main function is safety.