The power factor at which a paralleled AC generator operates is usually adjusted by the （）.
The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）
Equal power factors on paralleled AC generators are maintained by an automatic （）.
The holding power of an anchor increases when the（）.
Why is it desirable to operate paralleled AC generators at the same power factor?（）
The energy consumed by an AC motor, as strictly reactive power, is （）
With a purely （） load the voltage and current are in phase, giving a power factor of one.
What is the holding power ratio of an anchor? （）
Which of the following types of motors is often designed for use in correcting power factor?（）
Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.
The holding power of an anchor at a given scope of cable increases when the（）.
The indicated power of an engine can be obtained by taking the （）.
In an alternating current electrical system, a low system power factor is a direct sign of （）
When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is （）
During a review of environmental requirements before ordering an IBM System z9 server and IBM System Storage DS8700， the customer states that the available power is 220 volts AC. Which feature should be included with the DS8700 order（）
The power factor of an AC generator operating singularly is determined by the （）
The holding power of an anchor is the（）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）
A three-phase alternator operates at 450 volts with a power factor of 0~8.If the ammeter indicates 250 amperes, what should be the KW meter reading （）.
Which of the following factor is NOT an element of a cause-and-effect relationship?
The importance of irradiation as an etiologic factor in the _____ of human thyroid carcinoma is well documented.
With a purely resistance load the voltage and current are in phase, giving a power factor of _____.
决定一个厂商垄断势力大小的因素有哪些？简要解释每种因素。What factors determine the amount of monopoly power an individual firm is likely to have？ Explain each one briefly.
