Answer the following statement(s) true (T) or false (F)
1. When three single-phase coils are connected so that each coil is connected to the beginning of another coil, a simple open-delta system is formed.
2. Never complete the last connection if there is a voltage difference greater than zero.
3. In any closed-delta transformer connection, the line voltage and the voltage across the transformer windings are the same.
4. The high-phase situation can be a serious hazard to human life as well as to any 120-volt equipment connected improperly between the high phase and neutral.
5. A three-phase transformation of energy is not possible using only two transformers.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. FALSE
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Motor starting current is referred to as ____________________ current.
Fill in the blank(s) with the appropriate word(s).
The delegates of the Hartford Convention adopted resolutions in 1814 that included a call for
A. a constitutional amendment requiring a two-thirds vote in Congress before war could be declared, new states admitted, or a trade embargo instituted by the federal government. B. New England's secession from the Union. C. a separate peace treaty between New England and the British. D. a Constitutional Convention to address New England's political and economic grievances and objections that stemmed from the War of 1812. E. a suspension of peace negotiations with Britain in Ghent, Belgium.
If each of the six resistors in a series circuit drops 5 V, the source voltage ________
A) equals 5 V B) equals 30 V C) depends on the current D) depends on the resistor values
What tool is used to measure spark plug gap?
What will be an ideal response?