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102 年 - 交通部102年第ㄧ次航海人員測驗一等管輪#16644 

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1.1.下列何者為螺槳回轉一圈,軸線上前進的距離?
(A)牙距
(B)螺距
(C)齒距
(D)軸線距
2.2.推進軸系中,以油盤為潤滑軸承已證實適用於較大的傾側和俯仰角度,其設計所承受壓力為何?
(A)3.5 kg/cm2
(B)35 kg/cm2
(C)100 kg/cm2
(D)150 kg/cm2
3.3.下列何者不是冷凍系統中壓縮機排出壓力過高之原因?
(A)冷媒系統中有空氣
(B)冷卻水溫度過低
(C)冷凝器冷卻管堵塞
(D)冷媒過多
4.4.依據蒙特婁公約規定,下列何種冷媒已被禁用?
(A)NH3
(B)R-134a
(C)R-12
(D)R-22
5.5.淨油機原先淨C油轉換淨A油時,油水界面及淨油面積分別有何改變?
(A)油水界面移向內側、淨油面積大幅減少
(B)油水界面移向內側、淨油面積大幅增加
(C)油水界面移向外側、淨油面積大幅增加
(D)油水界面移向外側、淨油面積大幅減少
6.6.柱塞式液壓泵的柱塞數目通常是下列何者?
(A)為了受力平衡,多採用偶數
(B)偶數、奇數都可以
(C)為了加工製造方便,多採用偶數
(D)為了流量脈動率小,多採用奇數
7.7.鍋爐水化驗之酚酞鹼性試驗,將酚酞指示劑滴入樣水,樣水呈何顏色時,表示爐水是鹼性?
(A)藍色
(B)粉紅色
(C)黃色
(D)綠色
8.8.In general, a cylinder of a diesel engine consists of a cylinder that is inserted in a cylinder block and enclosed at the top by a cylinder head to form the combustion space above the piston.
(A)liner
(B)jacket
(C)crown
(D)skirt
9.9.Which type of gas is used to extinguish fires by reducing the oxygen concentration of the air surrounding the fire?
(A)Hydrogen
(B)Helium
(C)Carbon-dioxide
(D)Carbon fuel
10.10.Longitudinal vibration of propulsion shafting systems is often excited by the variable thrust developed by the propeller due to the non-uniform wake pattern in which it operates. The predominant periodic component of the thrust developed by a propeller occurs at blade-rate frequency, i.e., the number of propeller blades times the rotational frequency of the shaft. For a four-blade propeller running at 60 rev/min, what is the predominant periodic frequency that excites the longitudinal vibration of the propulsion shafting systems?
(A)1 Hz
(B)2 Hz
(C)3 Hz
(D)4 Hz
11.11.In the process of condensing the exhaust steam from the main or auxiliary turbines, steam condensate is recovered and is reused as feedwater. In a properly designed and maintained feedwater system the condensate is collected at the saturation temperature corresponding to compensating pressure. Therefore, which is the false statement?
(A)The process inside a condenser is a constant pressure process.
(B)The process inside a condenser is a constant temperature process.
(C)The process inside an ideal condenser is a isentropic process.
(D)The increase of saturation temperature increases the pressure inside a condenser.
12.12.冷凍系統中,下列何者不影響壓縮機之啟動?
(A)出、入口閥未開
(B)冷卻水泵未啟動
(C)冷卻水溫度過低
(D)高、低壓開關故障
13.13.真空蒸餾式造水機中的水垢,主要是何成分?
(A)氯化鈉(NaCl)
(B)硫酸鈣(CaSO4
(C)氫氧化鈣(Ca(OH)2
(D)氯化鎂(MgCl2
14.14.下列何者不是離心泵流量降低之原因?
(A)濾器髒堵
(B)電流過高
(C)密封環間隙過大
(D)吸入管漏氣
15.15.依SOLAS救生艇推進之規定,救生艇引擎能於救生艇未下水時,由冷機啟動後運轉至少幾分鐘不致 損壞?
(A)3
(B)5
(C)7
(D)10
16.16.下列有關火警探測器安裝位置的敘述,何者錯誤?
(A)安裝位置應避免靠近樑及通風管
(B)應避免空氣流可能產生逆流影響的位置
(C)應避免可能承受撞擊損傷的位置
(D)與艙壁間距離至少應1.0 m
17.17.Actual diesel engines must reach temperatures above the of the fuel at the end of the compression stroke.
(A)flashing temperature
(B)saturated temperature
(C)auto-ignition temperature
(D)dew-point temperature
18.18.For a diesel engine an initial downward stroke of the piston draws in the air to charge the cylinder, which is followed by the compression stroke, with the fuel being injected as top dead center is approached, then a downward power stroke, and an upward exhaust stroke. Which type of engine is called for this operation?
(A)Two-stroke engine
(B)Four-stroke engine
(C)Supercharging engine
(D)Ideal cycle engine
19.19.直接傳動之船舶推進裝置,多採用下列那一型柴油主機?
(A)低速
(B)中速
(C)高速
(D)雙主機低速
20.20.船舶軸系,是指從主機輸出端的法蘭開始到那裡為止?
(A)螺旋槳
(B)艉軸
(C)中間軸
(D)推力軸
21.21.推力軸承中為了防止推力塊隨著推力環轉動,在正倒俥推力塊的上方均設有什麼裝置?
(A)振盪器
(B)止動器
(C)滑動器
(D)刮油器
22.22.對於油濾器選用要求,下列敘述何者錯誤?
(A)濾心要有足夠的機械強度
(B)通油能力要好
(C)精度要求為最次要的考量條件
(D)要有抗腐蝕性
23.23.Which procedure has the objective to ensure that when the engine is in service and under load, its crankshaft axis is straight, uniformly supported by bearings, and properly positioned longitudinally?
(A)Dynamic balancing
(B)Engine trail
(C)Engine alignment
(D)Measurement of crank deflection
24.24.艉軸及螺槳安裝時,應進行何種檢查?
(A)壓力測試(Pressure test)
(B)染色滲透檢驗(Dye check)
(C)放射線檢驗(X-Ray inspection)
(D)裝配檢查(Assembling inspection)
25.25.自船艉朝向船艏方向看時,所看見的螺槳葉面為:
(A)拉力面(Drag surface)
(B)推力面(Thrust surface)
(C)背面(Back surface)
(D)吸入面(Suction surface)
26.26.下列有關可控螺距螺槳使用上的缺點敘述,何者錯誤?
(A)構造複雜,葉片運動部分水密不易
(B)製造成本較定距螺槳高
(C)倒俥操控方式較定距螺槳差
(D)轂部大,推進效率較定距螺槳低
27.27.推進軸系(Propulsion shafting system)中之何種構件負責產生船舶推力?
(A)主機(Main engine)
(B)推進器(Propeller)
(C)減速齒輪(Reduction gear)
(D)軸發電機(Shaft generator)
28.28.大型冷凍裝置滑油分離器回油管上裝設之電磁閥在何時開啟?
(A)壓縮機運轉
(B)壓縮機停俥
(C)曲軸箱油位過低
(D)油分離器油位過高
29.29.冷凍裝置中低壓切斷開關可以防止下列何者壓力過低?
(A)排氣
(B)吸氣
(C)滑油
(D)冷卻水
30.30.控制造水機產水量的主要手段是控制下列何者?
(A)給水流量
(B)加熱水流量
(C)冷卻水流量
(D)真空破壞閥開度
31.31.真空沸騰式造水機停用時,下列各項步驟的正確順序為何?①關斷給水並停海水泵 ②停止冷卻 ③關凝水閥,停凝水泵 ④停止加熱
(A)①→②→③→④
(B)③→①→②→④
(C)④→③→①→②
(D)③→④→①→②
32.32.當流體流入離心式泵(Centrifugal pump)時,有關流體當中能量轉換的敘述,下列何者正確?
(A)流體的動能轉換成壓力能
(B)流體的動能轉換成位能
(C)流體的壓力能轉換成動能
(D)流體的壓力能轉換成位能
33.33.下列有關自動背壓式濾器(Automatic backwash strainer)的敘述,何者正確?
(A)其網目必須是在50目(Mesh)以下
(B)其在進出口的壓力差達到某設定值時,即自動沖洗
(C)當需要清洗濾器時,其系統必須暫停流通
(D)其可引進空氣作為沖洗介質,以提升效果
34.34.有關離心式泵(Centrifugal pump)密封環(Sealing ring)的敘述,下列何者正確?
(A)一般以不鏽鋼材質製作
(B)在於使泵殼與葉輪的間距盡可能小
(C)與泵殼一體,無法更換
(D)幾乎不會磨損
35.35.按船級協會之規定,錨機應能以動力起落錨,而左右舷兩錨同時捲揚上升的平均速率,不得小於每 分鐘多少公尺?
(A)5
(B)7
(C)9
(D)11
36.36.為環境保護的考量,含有四氯化碳之溶劑,不可以使用於何種用途?
(A)冷凍劑
(B)冷卻劑
(C)冷凝劑
(D)加熱劑
37.37.At the end of each voyage, which document shall be prepared to summarize the events described in the engine logbook during this particular voyage ?
(A)Abstract log
(B)Event report
(C)Watch keeping report
(D)Accident report
38.38.When the duty officer receives the bridge orders during the watch, what are the correct responding procedures?
(A)These bridge orders must be promptly implemented with a record for any requested changes in the speed or direction of the ship.
(B)These bridge orders need to be authorized by the chief marine engineer prior to the implementations.
(C)These bridge orders must be confirmed by the captain prior to the implementations.
(D)Each bridge order must be checked for its applicability prior to the implementation.
39.39.In order to further increase the cycle efficiency of a gas turbine engine, which equipment is installed between the low-pressure compressor and the high-pressure compressor so that the work input for compressors is reduced?
(A)Intercooler
(B)Reheater
(C)After burner
(D)Turbocharger
40.40.有關燃燒定義之敘述,下列何者錯誤?
(A)燃燒是燃料分子及氧氣分子間之氧化作用
(B)當燃燒產生光及熱時,因氧化作用速度太慢所致
(C)燃燒是一種化學反應
(D)燃燒是一種連鎖反應