航海英語探火與消防設(shè)備單項(xiàng)選擇題每日一練(2019.01.11)

來源：考試資料網(wǎng)

1 A branch line valve of a fire extinguishing system on a ship must be marked with the（）.

2 （），as the chemical extinguisher agent，should be used for an electric fire.

3 A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）

4 An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?（）

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5 A fuel line breaks，sprays fuel on the hot exhaust manifold，and catches fire. Your FIRST action should be to（）.

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