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警察人員考試四等考試-消防警察人員類別中華民國憲法與消防警察專業英文11346單選題
📖 閱讀測驗 · 共用前文
There is no denying that advanced firefighting involves not just the direct suppression of a fire but also the general knowledge of the theoretical framework of the process. The latter includes understanding the principles and methodologies behind the management and suppression of fires. To stop a conflagration, one needs to be aware of the concept of the combustion triangle, which presupposes that a conflagration needs three distinct components. Specifically, the latter would be a source of heat, oxygen, and a physical piece of burning material. As soon as the practitioner understands these premises, he or she may use various ways to convert them into methods of further fire suppression. One should note that the behavior of fires is dynamic and includes the ignition, propagation, and combustion phases. Therefore, a firefighter has to learn how to approach each activity since fires may be continuous or smoldering, as well as vary in heat content or speed. Additionally, it is also crucial to understand that the conflagrations may belong to different kinds and have unique properties, based on their sources. They can begin from electrical wires, kitchen frying pans filled with hot oil, or even various chemical substances. Consequently, concerning the verbal categorization of firefighting tactics, firefighters may oscillate between either offensive or defensive measures. The former includes the methods that allow suppressing the flames and materials directly and quickly. At the same time, defensive tactics are performed to put a perimeter around the fire and stop its spread to other objects in the area. Finally, it is also important to mention that ventilatory tactics are critical to adjust the inflow-outflow balance of gases in a building to avoid backdrafts.

According to the passage, how does understanding the combustion triangle help in fire suppression?

AIt allows firefighters to predict the weather conditions.
BIt enables the use of appropriate extinguishing methods by removing one of the triangle's elements.正確答案
CIt helps in designing fire safety equipment.
DIt provides a method for rescuing people.
答案與詳解
B
正確答案
了解燃燒三角形(熱源、氧氣、可燃物)可協助消防員針對性移除其中一個要素,從而達成有效滅火。

為什麼答案是 B

短文明確指出燃燒三角包含三個要素(熱源、氧氣、可燃物),並說明「一旦從業人員理解這些前提,便可將其轉化為各種火災壓制方法(convert them into methods of further fire suppression)」,即透過移除其中一個要素來滅火,B選項完整呼應此邏輯。

考點:閱讀測驗-無中生有選項考點:燃燒三角形應用考點:閱讀測驗-範圍誤導選項
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