A、 When the smoke control relay R648 is powered, it gives 28v dc to activate the supply system control interrupt relay R645.
B、 As the smoke control relay R648 is connected, 28v dc is supplied to the supply system control interrupt relay R645.
C、 When the smoke control relay R648 has power, it needs 28v dc to start the supply system control interrupt relay R645.
答案：A
A、 When the smoke control relay R648 is powered, it gives 28v dc to activate the supply system control interrupt relay R645.
B、 As the smoke control relay R648 is connected, 28v dc is supplied to the supply system control interrupt relay R645.
C、 When the smoke control relay R648 has power, it needs 28v dc to start the supply system control interrupt relay R645.
答案：A
A. 因此,无论该手册是一个大飞机或小飞机的维修手册或线路图手册,希望获得有关燃油系统指示部分信息的人员应该参考第28章,燃油。
B. 因此,无论该手册是有关大飞机或小飞机的维护手册或接线图手册,人们希望有关指示部分的燃料系统的信息要参考第28章,燃料。
C. 这样一来,无论是大飞机还是小飞机,无论是的维修手册还是线路图手册,人们可以参考第28章,燃油,获得有关燃油系统指示部分的信息。
A. 如果制造商选择提供全面的检查信息以补充基本的飞机维修手册,则本规范是持续适航程序检查文件的示例并建立了标准。
B. 如果制造商选择提供全部的检查信息以配合基本的飞机维修手册,则本规范是持续适航程序检查文件”的模板并建立了标准。
C. 如果制造商选择提供全面的检查信息以补充基本的飞机维修手册,则本手册是持续适航程序检查文件的示例并建立了标准。
A. As a rule, the engines are attached under the wings,but, as for the modern aircraft, the two side engines are mounted on pylons outboard of the fuselage.
B. As a rule, the engines are attached under the wings,but, in the case of the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.
C. As a rule, the engines are attached under the wings,but, in the case of the modern aircraft, the two side engines are mounted on pylons inboard of the fuselage.
D.
E.
F.
G.
H.
I.
J.
解析：
A. 仔细检查组件来确定是否有进一步的损坏。
B. 目视检查组件来确定损坏的部位。
C. 目视检查组件来确定损坏的程度。
A. Tire wear increases with high speed.
B. The higher the speed is, the more fragile the tire becomes.
C. The tire blows out as the speed increases.
A. 遵守安全说明
B. 违背安全说明
C. 忽略安全说明
A. If an AC circuit consists of resistance only, the value of the impedance is the same as the resistance.
B. If an AC circuit consists of impedance only, the value of the capacitance is the same as the impedance.
C. If an DC circuit has capacitance only, the value of the resistance is the same as the capacitance.
A. Go-around arms when the airplane is in the air and trailing edge flaps are not up.
B. Go-around arms when glideslope mode is active and the trailing edge flaps are not up.
C. Go-around arms when the airplane is in the air and trailing edge flaps are in the up position.
A. get
B. achieve
C. perform
A. Fuel comes from the fuel check valves or the APU dc fuel pump.
B. Fuel comes from the boost pumps or the APU fuel tank.
C. Fuel comes from the boost pumps or the APU dc fuel pump.
