____________________ electric motors will fail in three different areas: windings, centrifugal switch, and bearings.
Fill in the blank(s) with the appropriate word(s).
Open type
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Setting the amperage to the lowest possible level will extend the life of the torch parts.
Answer the following statement true (T) or false (F)
To discourage unauthorized entry, handhole covers must be _____.
a. permanently sealed b. provided with a keyed access device or padlock c. heavier than 100 pounds or require tools to open d. equipped with an anti-tamper device such as an audible alarm
The cardiac muscle system _____
a. maintains a rhythmic heartbeat that keeps blood circulating b. controls movement of bones c. stretches to allow organs to expand d. is controlled by the voluntary nervous system
Answer the following statement(s) true (T) or false (F)
1. Per unit values are always dimensionless. 2. With balanced three-phase circuits, per-phase analysis is commonly done after converting the Y-connected loads to - connected loads, thereby solving only one phase of the circuit 3. LTC transformers can be used for controlling bus voltage magnitudes. 4. In the PowerWorld example shown in class the use of phase shifting transformers was demonstrated for controlling the flow of power in New York, NY.