North Carolina Building Contractor License Practice Exam

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Prepare for the North Carolina Building Contractor License Exam. Explore detailed quizzes with explanations and challenging multiple-choice questions designed for you. Get ready for your licensing success!

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Why must oxygen cylinders be stored properly?

To comply with legal regulations
To save space
To maintain their appearance
To ensure they don't explode

The correct answer is: To ensure they don't explode

Oxygen cylinders must be stored properly to ensure they don't explode. Oxygen itself is not flammable, but it supports combustion and can dramatically increase the intensity of a fire. Proper storage involves keeping the cylinders away from any potential sources of heat or ignition and in a well-ventilated area. This reduces the risk of fire and explosion hazards. Cylinders should also be secured to prevent them from tipping over, which could lead to ruptures or other dangerous situations. Storing oxygen cylinders under conditions that prevent exposure to extreme heat or physical damage is crucial for maintaining safety and preventing potentially catastrophic incidents related to pressurized gas.