HKDSE Biology Practice & Notes
Topic-based practice with answer frameworks and revision notes
駕駛考試航海航空
二級遊樂船牌 PVO 考試題庫｜船牌溫習懶人包
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903 題 quizBank.difficulty.5 8/8/2026
題庫簡介
香港二級遊樂船隻操作人PVO考試題庫，免費線上練習。涵蓋航行規則、避碰條例、燈號與號型、安全設備、船舶機械、海事法例及環保規定，附計時模擬測驗及錯題重溫。適合考取二級遊樂船牌人士及玩船新手。題目按考點…
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20 questions available freeWhat type of vessel is displaying these lights?
Please describe the color of special purpose buoys (special marks).
In conditions of restricted visibility, what fog signal should be sounded by a vessel at anchor engaged in laying a submarine pipeline?
Under International COLREG Rule 27(g), excluding diving operations, what is the prescribed length threshold below which vessels need not exhibit the lights or shapes in Rule 27(a), (b) and (c)?
Select the suitable seabed substrate for anchoring a vessel. i) Mud ii) Sand over mud iii) Cobblestone
When you see someone floating in the sea near a vessel that has stopped moving, what action will you take first?
If your vessel hits a rock at full speed, what action should you take first to protect the main engine from further damage?
What type of vessel is displaying these lights?
How to test if a LPG hose has a gas leak?
When you are navigating a power-driven vessel at sea, you see these lights 30 degrees off your port bow, and their compass bearing reading is gradually decreasing. What action will you take?
While you are navigating a power-driven vessel at sea, you see these lights one point off your port bow. What action will you take?
When navigating in Hong Kong waters, if you spot a government law enforcement vessel (such as a Marine Department patrol boat or Marine Police launch) approaching your vessel, flying a yellow and black checkered flag as shown, and sounding a signal, according to the single-flag meanings of the International Code of Signals and local navigation safety practices, which of the following actions are you, as the captain, legally required to take?
If the observatory reports high atmospheric pressure, what weather changes will occur?
What does a vessel displaying this signal flag indicate?
In good visibility, the radar interface shows a vessel approaching at 4 points on the port bow, distance 2 nautical miles. What should you do?
When two vessels are approaching each other, the stand-on vessel finds that the give-way vessel's action alone cannot avoid a collision. What action should the stand-on vessel take?
In restricted visibility, which option states both the prescribed sound signal and the maximum interval between successive signals for a vessel constrained by her draught, underway and making way?
What is "safe speed"?
If your vessel collides violently with a large log, what action will you take first? i) Stop the vessel immediately and check for damage ii) Check if crew members are injured iii) Report to the Marine Department
Which type of vessel displays this day shape?
考生最常中伏嘅題目
根據本題庫其中 903 條有足夠作答樣本嘅題目、累計 114,281 次真實作答統計，以下選項最多考生揀錯——溫習時特別留神。
1
相較於內置機，外置機在以下哪個方面通常具有優勢？
最多人誤揀：以上皆是
36% 作答者揀咗呢個錯誤選項 · 此題累計 215 次作答
2
你在海上駕駛機動船時，看見這些號燈在你船頭左舷30度的方向，其方位在羅經上的讀數逐漸減少。你會採取甚麼行動？
最多人誤揀：響一短聲號並轉航向右
42% 作答者揀咗呢個錯誤選項 · 此題累計 144 次作答
3
火花塞(火咀)的間隙定額比原本太少，會怎樣
最多人誤揀：引擎啟動困難，且高速時火花塞溫度偏低
31% 作答者揀咗呢個錯誤選項 · 此題累計 170 次作答
4
一般小型船隻使用錐形離合器，其主要提供的螺旋槳動力控制選項是：
最多人誤揀：動力能輕易接合
31% 作答者揀咗呢個錯誤選項 · 此題累計 164 次作答
5
用淡水冷卻的發動機，如發現水中有油，其原因可能是
最多人誤揀：汽缸蓋罩(俗稱盤頭罩) 墊片洩漏
31% 作答者揀咗呢個錯誤選項 · 此題累計 159 次作答
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