How does the Code define a secondary tie?
What will be an ideal response?
The Code Article 450.6 defines a secondary tie as a circuit operating at 600 volts or less between phases. This circuit connects two power sources or power supply points such as the secondaries of two transformers.
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Answer the following statement true (T) or false (F)
When exactly does the gas blowdown phase occur?
A. when exhaust valve first opens B. at BDC during the exhaust stroke C. close to TDC on the exhaust stroke D. during cylinder scavenging
In peanuts, the ovary elongates to produce a _______________ that buries itself in the soil to eventually form the peanut
Fill in the blank(s) with correct word
The purpose of purging the lines with nitrogen during brazing is to:
A) Pressurize the lines for leak testing. B) Increase the temperature of the torch flame and decrease brazing time. C) Reduce the amount of refrigerant that must be added once the installation is completed. D) Prevent the formation of copper oxide inside the lines.