How are future service connections handled when installing heat tracing on domestic hotwater supply systems?
a. A junction box is installed at the end of the pipe.
b. A service loop of extra heating cable is provided at connections.
c. Additional heating cable is spliced in when additional services are added.
d. The existing cable is replaced when new services are added
b. A service loop of extra heating cable is provided at connections.
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Boards used as edge forms for tilt-up panels are commonly _____.
a. 1" × 3" or 1" × 4" lumber b. 2" × 3" or 2" × 4" lumber c. 2" × 6" or 2" × 8" lumber d. 2" × 8" or 1" × 10" lumber
When the rotor is removed from the rear housing the brushes will fall out
Indicate whether the statement is true or false
Large signal voltage gain refers to
A) voltage feedback B) a voltage follower C) closed loop gain D) open loop gain
When one material has more electrons than another, the potential difference between the two materials is known as which of the following?
a. charge b. amperage c. voltage d. resistance