____ motors are used in most hybrid vehicles.
A. AC synchronous reluctance
B. DC brushless
C. Brushless permanent magnet (PM)
D. Three-phase AC induction
Answer: B
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Consider the energy content of the different fossil fuels and their EROI. Discuss why it will be difficult to shift the global energy system away from these resources.
What will be an ideal response?
The fundamental strategic decision of World War II made by President Roosevelt and the British at the very beginning of the war was to
A. plan for a second front in Western Europe as soon as possible. B. force Italy out of the war first by attacking the soft underbelly of Europe. C. arouse the American people to an idealistic crusade of the same sort that Woodrow Wilson had so effectively used in World War I. D. concentrate first on the war in Europe and to place the Pacific war against Japan on the back burner. E. fight an equally vigorous naval war against Japan and a land war against Germany and Italy.
The button on the ________ valve should be held when pressure bleeding the brakes
A) Residual check B) Metering C) Pressure-differential D) Proportioning
A triple-duty valve serves as a shut-off valve, a balancing valve, and a _____
a. differential pressure valve b. drain valve c. zone valve d. check valve