The present invention includes (2) a floor portion defining an electric engine that is powered by (10) power supplies tubular portion for exhausting the hot air generated therein (11) connects the lower part of the vehicle passenger compartment on a motor vehicle with a structure. In accordance...
答案:electrical,修饰名词,用形容词electrical"关于电的,与电有关的",如 electrical engineering 电工学; electrical energy电能.注意:electric也是形容词,意思是带电的,发电的,电动的,也是形容词.如 an electric generator 发电机. 电动机将电能转化为机械能. 先确定要填的词词性,如果是名词,要考虑名词的数,不可数...
In an electric motor, the force that makes the rotor turn is produced by _. A. the magnetic field B. the electric current only C. the mechanical force D. the heat 相关知识点: 试题来源: 解析 A。解析:在电动机中,使转子转动的力是由磁场产生的。B选项仅电流不能使转子转动;C选项机械力不...
A method for mounting and positioning an electric motor (1) in a motor seat (5). The motor (1) comprises a capacitor (4) projecting from the motor (1) and positioning means (11a, 12a) which couple with corresponding matching positioning means (9a, 10a) of the seat (5). The positioni...
百度试题 结果1 题目 An electric motor requires 3200 joules of electric energy to produce 2400 joules of mechanical energy. What's the efficiency of the motor? A. 50% B. 60% C. 75% 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Step 1: Electric motor A machine that converts electrical energy into mechanical energy is known as an electric motor. Step 2: Working of an electric motor The working of the motor can be explained as, Through brush X in the diagram, the current enters the coil ABCD; the cur...
traction motor is in turn controlled by the engine controller or an electronic control module. Electric motors may be understood through the principles of electro- magnetism and physics. In simple terms, an electrical conductor carry- ing current in the presence of a magneti EV由一台电动机推进。
An electric motor with a mass of 120kg is attached to a floor beam (with negligible mass) which deflects 0.76mm under the static mass of the motor. The motor has a 40kg eccentric mass (included in the weight of the motor). Over sever...
A. Gas B. Electricity from the batteries C. Solar energy D. Wind power 相关知识点: 试题来源: 解析 B。解析:文章中说 When you drive an electric car, the electricity from the batteries powers the motor. 所以当驾驶电动汽车时,是电池中的电为电机提供动力。反馈...
1.根据第二段 Historically, EVs have not been widely adopted because of limited driving range before needing to be recharged, long recharging time, and a lack of commitment by automakers to produce and market electric cars that have all the comforts of gas-powered cars.可知,过去电动汽车不受欢迎...