所屬科目：技檢◆飛機修護
1. Soft aluminum tubing (1100, 3030, or 5052) may be bent by hand if the size is (A)1/4 in or less. (B)5/16 in or less.(C)1/2 in or less. (D)5/8 in or less.
2. As a general rule, if MS20426 rivets are used the edge distance should be (A)2D (B)2.5D (C)3D (D)3.5D
3. The rotary Variable Differential Transformers (RVDTs) change ? into electrical signals. (A)variable displacement (B)angular displacement (C)Straight line signal (D)linear displacement
4. 如何確認蒸氣循環冷卻系統已填充適量的氟利昂 (A)玻璃視窗內無氣泡 (B)壓縮 機負荷升高及轉速降低 (C)玻璃視窗內出現氣泡 (D)壓縮機負荷升高及轉速增加
5. If an aircraft is operating at 40,000 ft. the pressurization ensures that (A)sea level pressure is maintained in the cabin. (B)the cabin pressure is progressively increased until the operational height is reached. (C)the cabin pressure above 10,000 ft. (D)the cabin pressure is equivalent to an altitude of less than 10,000 ft.
6. What type of air speed is NOT used in commercial airplanes? (A)indicated airspeed (B)calibrated airspeed (C)equivalent airspeed (D)true airspeed
7. 哪個頻率是用作飛機 VOR 導航？ (A)1.260 兆赫 (B)104.50 兆赫 (C)112.50 兆赫 (D)122.50 兆赫
8. Which is the component of an aircraft pressurization system that prevents the pressure inside the cabin from being overpressured? (A)outflow valve (B)safety valve (C)negative pressure-relief valve (D)dump valve.
9. 飛機的磁羅盤何時需要校正，並更新羅盤校正卡？ (A)在每日檢查後 (B)在羅盤 有擦拭後 (C)在更換磁通閥後 (D)飛機斷電後
10. What is the main purpose of a pressurized reservoir in a hydraulic system? (A)Prevent tank collapse at high altitude. (B)Prevent hydraulic pump cavitation. (C)Prevent hydraulic fluid from foaming. (D)Prevent hydraulic fluid from deteriorating.
11.控制直昇機之垂直飛行係透過？ (A)改變循環操作的角度 (B)改變集體變距的角 度 (C)增加主旋翼片轉速 (D)增加尾旋翼片轉速
12. Moving the elevator trim wheel fully after, then the (A)aircraft tends to go nose up. (B)aircraft tends to go nose down. (C)aircraft tends to roll to the right. (D)aircraft tends to roll to the left.
13. When the skin of a fuselage carries all the structural stress, the structure is referred to as (A)a truss. (B)a frame. (C)monocoque. (D)semimonocoque
14.若旋翼轉速減少 10%則總旋翼推力將會減少? (A)0.05 (B)0.1 (C)0.2 (D)0.25
15. The stress of twisting is called (A)compression (B)torsion (C)tension (D)shear
16.若附有尾旋翼之直昇機停懸時，方向控制是 (A)傾斜旋轉面至想要的方向 (B)增 加尾旋翼轉速 (C)減少尾旋翼轉速 (D)改變尾旋翼片攻角
17. What causes the movement of blade leading and lagging? (A)Centrifugal force. (B)Acceleration and deceleration caused by momentum conservation. (C)Gravity. (D)Compression
18. The ground cushion is usually effective to a height of approximately one-half the diameter of the main rotor while the helicopter is (A)cruising. (B)climbing. (C)hovering. (D)downing.
19. The cylinder in a life jacket is inflated using (A)O2. (B)N2 (C)CO2 (D)compressed air.
20.當某翼型升力增加時，則阻力 (A)亦增加 (B)不受影響 (C)減少 (D)為零
21.鉚釘孔之承載面積是何者的函數? (A)鉚釘的材質 (B)單一平面上鉚釘孔的數目 (C)鉚釘孔的直徑乘以材料厚度 (D)鉚釘型式
22. The life of the helicopter structure is counted by (A)power cycles. (B)pressurization cycle. (C)landings. (D)flying hours.
23. Which anti-corrosive treatment is found on alloy steels? (A)Cadmium plating. (B)Zinc plating. (C)Nickel plating (D)copper plating
24.渦噴發動機雙軸流式壓縮器如何提高效率？(A)使用更多級數的渦輪 (B)降低燃燒 室的溫度 (C)更高的壓縮比率 (D)更多的空氣進氣量
25.翼樑從翼根到翼尖漸縮是因為 (A)在翼根的彎曲力矩最大 (B)升力中心在靠近翼 根處 (C)在翼根的剪力最大 (D)在翼根的扭力最大
26. Structure with built-in redundancy is called (A)double safe. (B)safe life. (C)fail safe. (D)quality safe.
27. The stalling speed of a helicopter blade... (A)is independent with the helicopter's weight. (B)is increased when the helicopter is lighter. (C)is increased when the helicopter is heavier. (D)is reduced when the helicopter is heavier.
28.在 AC 發電系統，頻率與相位轉動應 (A)在並聯之前必須同步 (B)並聯之前必須 不同相位 (C)並聯後沒有影響 (D)串聯後沒有影響
29.飛機的總阻力是_______,但慢慢降低到最小然後在高速時再次增加 (A)在所有飛機速度中都是恆定不變 (B)低速時較低 (C)高速時較低 (D)低速時較高
30.在一恆定頻率 AC 系統，虛功負載分配是何者調節而得? (A)發電機速度 (B)電壓 調節器 (C)發電機傳動扭力 (D)發電機輸出電流
31. Buckling in a semi-monocoque structure is prevented by (A)stringers. (B)longerons. (C)bulkheads. (D)Skin
32. Roll spoilers 的功能為何? (A)幫助航機降落 (B)降落時幫助航機減速 (C)使航機 之轉向更為精確 (D)減少降落風阻
33. The horsepower developed in the cylinders of a reciprocating engine is known as (A)shaft horsepower (B)indicated horsepower (C)brake horsepower (D)thrust horsepower
34. Wave drag (A)increases in the supersonic region. (B)increases at the low speed stall. (C)increases in the subsonic region. (D)increases in the hypersonic region.
35. Above the critical Mach number, the drag coefficient (A)increases. (B)remains the same. (C)decreases. (D)irrelevant.
36. Mach trimming is initiated by an input signal from the (A)IRS. (B)Central Air-Data Computer. (C)Vertical Gyro. (D)Horizontal Gyro.
37.輕型飛機中，無線電頻道和廣播頻道可使用同一支天線係因? (A)兩頻率相近 (B)使用萬向天線 (C)可電子調節天線長度 (D)減少空氣阻力
38. An annular combustion chamber consists of (A)an air tube and a flame tube. (B)an outer skin and an inner and outer flame skin. (C)a series of flame tube in an air annulus. (D)S row flame tube
39. The primary advantage of an axial-flow compressor over a centrifugal compressor is (A)lager frontal area. (B)less expensive. (C)greater pressure ratio. (D)light weight
40.布萊頓循環就是所謂的恆定 (A)容積循環 (B)溫度循環 (C)流量循環 (D)壓力循 環
41.增壓壓力(Boost pressure)為 (A)歧管壓力 (B)大氣壓加上渦輪增壓器的進氣壓力 (C)大氣壓力減掉渦輪增壓器的進氣壓力 (D)大氣壓減掉節氣門進氣壓力
42.何謂應力? (A)負荷施加於材料造成的變形量 (B)材料單位面積所受之負載力 (C)材料的抗力係數 (D)材料的彈力係數
43.渦輪發動機使用高電壓點火系統，其電壓脈衝來自下列何者？ (A)主線圈 (B)整流器 (C)變壓器的觸發器 (D)發電機
44. If the engine is run for a performance-recovery compressor washing, it is operated at_____RPM. (A)Idle (B)Cruise (C)Take off (D)100%
45. Which of the following will decrease volumetric efficiency of a reciprocating engine (A)High fuel octane rating (B)Short intake pipes of large diameter (C)Low carburetor air temperature (D)High cylinder-head temperature
46. Thrust will (A)increase at low ambient temperatures. (B)be independent from the ambient temperatures. (C) increase at high ambient temperatures. (D)increase at low Atmospheric density
47. Which of the following types of combustion sections are used in aircraft turbine engines?(A)Annular, variable, and cascade vane. (B)Can, multiple-can, and variable. (C)Annular, variable, and Can. (D)Multiple-can, annular, and can-annular.
48.星型發動機最常使用之推力軸承型式為 (A)錐狀滾柱軸承 (B)深槽滾珠軸承 (C)雙排直列滾柱軸承 (D)雙排滾珠
49. Where is the de-icing boot？(A)Root. (B)Trailing edge. (C)shank. (D) Blade leading edges.
50. Blade stations are measured from the (A)center of the hub. (B)tip. (C)shank. (D)Root.
阿摩線上測驗
登入