One 100-foot roll of primer cord is equivalent to how many pounds of dynamite?

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Prepare for the California Blasters Test. Use flashcards and multiple choice questions, with hints and explanations. Get exam-ready today!

Multiple Choice

One 100-foot roll of primer cord is equivalent to how many pounds of dynamite?

Explanation:
Primer cord is used to detonate blasting charges, and there’s a standard conversion so the cord’s explosive equivalent can be estimated. The rule of thumb is about 0.09 pounds of dynamite per foot of primer cord. Multiply by 100 feet, and you get roughly 9 pounds of dynamite. So a 100-foot roll corresponds to 9 pounds of dynamite in terms of explosive power. The other options don’t match this per-foot conversion.

Primer cord is used to detonate blasting charges, and there’s a standard conversion so the cord’s explosive equivalent can be estimated. The rule of thumb is about 0.09 pounds of dynamite per foot of primer cord. Multiply by 100 feet, and you get roughly 9 pounds of dynamite. So a 100-foot roll corresponds to 9 pounds of dynamite in terms of explosive power. The other options don’t match this per-foot conversion.

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