A power factor(功率因子) of 60% means that 1 Kva(千伏瓦) of power must be supplied for every 600 watts of power actually consumed(消耗), an uneconomical situation.
举一反三
- Moore's law means _____. A: The power of integrated transistors on a chip doubles every year, and so does its computing power. B: The power of integrated transistors on a chip doubles every two years, and so does its computing power. C: The power of integrated transistors on a chip doubles every 18 months, and so does its computing power; D: The power of integrated transistors on a chip doubles every six months, and so does its computing power.
- For the sinusoidal steady-state circuit, ， the real power absorbed by 5 W resistor is 10W ， the power factor of the circuit is:/ananas/latex/p/149319
- Which type of power is not channel power? A: Coercive power B: Referent power C: Legitimate power D: Negotiating power
- 电动机的额定功率是指（ ） A: 输出的机械功率 output mechanical power B: 输入的机械功率input mechanical power C: 输入的电功率input electric power D: 输出的电功率output electric power
- In Fiedler’s contingency approach to leadership, critical dimensions of leadership situation include: A: Initiating structure, position power, and consideration B: Initiating structure, leader-member relations, and position power C: Position power, consideration, and task structure D: Position power, task structure, and leader-member relations