HomeVigili del Fuoco Quiz 2026Question 5 of 10
Vigili del Fuoco Quiz 2026Question 5 / 10

Nel sistema europeo di classificazione di resistenza al fuoco (EN 13501-2), il simbolo aggiuntivo 'W' indica:

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Multiple choice — select the best answer
✓ Correct answer: B. La limitazione della trasmissione del calore per irraggiamento attraverso la faccia non esposta dell'elemento

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