A、 A maximum distance of 50 feet is required between consumable materials and the work area.
B、 Keep flammable materials at a minimum distance of 50 feet from the work area.
C、 Explosive materials must be kept at least 50 feet away from the work area.
答案：B
A、 A maximum distance of 50 feet is required between consumable materials and the work area.
B、 Keep flammable materials at a minimum distance of 50 feet from the work area.
C、 Explosive materials must be kept at least 50 feet away from the work area.
答案：B
A. The pitot tube is on the external forward part of the airplane.
B. You may find the pitot probe on the front internal side of the fuselage.
C. The pitot probes are located on the forward external part of the airplane.
A. The test will stop when the pressure is larger than 7000 kpa.
B. Stop the test if the pressure reaches 7000 pa.
C. Stop the test when the pressure is more than 7000 kpa.
A. The brackets should be connected to the nearest components.
B. Align the brackets with the adjacent components.
C. Keep the brackets engaged with the nearby components.
A. 将修理的盖板铺在受损伤的区域。
B. 把修理补片精确地补到损伤区域。
C. 精确的将受损伤的区域围挡起来。
A. 应包括电路、系统、装置等的限动/解除限动程序。
B. 应包括电路、系统、单位等的钝化/再激活处理。
C. 应包括圆形、系统、装置等的惰性化/再生程序。
A. Ensure the oxygen tubes are completely clear. If oxygen is mixed with oil or compound together, it will form an explosives. Explosion can cause damage to equipment or injury to personnel.
B. Make sure that the oxygen tubes are fully clean. Oxygen and oil or grease make an explosive mixture. An explosion can cause injury or death to personnel.
C. Guarantee the oxygen tubes are completely free of dirts. Oxygen, oil and grease can combine to form an explosive oxides. Explosions can cause casualties.
A. 如果情况发生变化，则使用不同的材料。
B. 如果情况发生改变，则使用不同的建筑物。
C. 如果意思有变化，则使用不同的结构。
A. 对于增压飞机和涡轮增压或涡轮螺旋桨飞机，应规定最大高度限制
B. 增压飞机、涡轮增压飞机或涡轮螺旋桨动力飞机，对于最高飞行高度有陈述。
C. 对于涡轮增压或涡轮螺旋桨飞机，可以提供最大高度限制。
A. The generators supply a three-phase voltage. The frequency of this voltage increases when the generator rotor speed increases.
B. The rate of the three-phase voltage generated by the generator is proportional to the rotational speed of the generator rotor.
C. The frequency of the three-dimensional voltage produced by the generator is changed with the rotational speed of the generator rotor.
A. Briefly describe and explain principle of operation of any new kinds of flight instruments.
B. Briefly introduce the operation principal of any new kinds of flight apparatus.
C. Briefly describe and explain the operation principle of any new kinds of flight displays.
