The frequency of an alternator is controlled from the main switchboard by adjusting the()
相似题目
-
A call between any two ship stations on an intership working frequency shall have a maximum duration of().
-
The frequency 156.525MHZ and 156.8MHZ should be used in the band of().
-
The output voltage of a three-phase alternator is regulated by the ().
-
Diesel engines driving alternators operating in parallel must maintain set frequency regardless of load changesThe governor characteristic used to accomplish this is known as ()
-
The transmission time duration of a single pulse of radio-frequency energy is a function of the().
-
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.()
-
To increase the frequency of an operating AC generator, you should ()
-
() is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.
-
The frequency of an AC generator is adjusted by means of the ()
-
Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?()
-
What is the frequency of the front side bus (FSB) on the eX4 architecture?()
-
An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()
-
In an alternating current electrical system, a low system power factor is a direct sign of ()
-
The frequency of the alternating current generated by a synchronous generator is governed by the speed and the()
-
The frequency output of an operating alternator is controlled by the ().
-
An increase in an asset's expected return relative to that of an alternative asset, holding everthing else unchanged, raises the quantity demanded of the asset.
-
As to the economic role of advertising, it is so persuasive that it is ______ that a consumer will switch to an alternative product.
-
The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.
-
Tokyo wants to build a floating ________ in the sea as an alternative to the airport.
-
Which manipulation is the fastest manipulation of frequency?
-
What is the implying meaning of “Alternative Rock”?
-
One assumption of rationality is that we cannot know all of the alternatives.()
-
What is the alternative name of the World Bank?
-
Assume the miss rate of an instruction cache is 2% and the miss rate of the data cache is 5%. If a processor has a CPI of 1.5 without any memory stalls and the miss penalty is 50 cycles for all misses, determine how much faster a processor would run with a perfect cache that never missed. Assume the frequency of all loads and stores is 36%. the speed with a perfect cache that never missed / the speed with a cache that will miss=______(number only, keeping 4 significant digits)