Explain what a substation is and why it is important to the grid
What will be an ideal response?
The substation is a group of transformers used to step up the voltage at the generating station where voltage is put into the system. At the end where voltage is used, a substation is used to drop voltage to a usable level where it is moved around town. The voltage may come through one more substation at an industrial site.
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As with objects and features, the associations between components and subassemblies are often called ____ relationships.
A. parent-child B. instantiated C. sibling D. permanent
As a substitute for the wage-incentive system, slaveowners most often used the
A. promise of eventual freedom. B. reward of some legal rights. C. the promise to slaves of a grant of private property to do tenant farming after a period of years of bondage. D. whip as a motivator. E. threat of death.
The parking brake switch is in a circuit that illuminates a(an) ________ colored light in the instrument cluster
A) Amber B) Green C) Red D) None of these
The only difference in how a three-wire sourcing and sinking sensor is connected is the polarity of the external power supply to which its load is wired.
Answer the following statement true (T) or false (F)