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If paint has been worn or scraped off a transformer during shipping, it must be repaired before the transformer is used.

A(n) ___ connection is a method of wiring transformers where both sets of secondary windings are connected in a delta connection, but one is reversed with respect to the other.

A(n) ___ connection is very similar to a T-connection.

When selecting a transformer it is important to consider ___.

For two transformers wired in parallel, if the two voltages are out of phase with each other, the induced voltages are such that they cause ___ to circulate between the transformers.

A transformer should be sized so that it is equal to or larger than the ___ calculation.

A standard transformer operated at 25 Hz has lower ___ than one operated at 60 Hz and can easily overheat.

A simple test with a(n) ___ on the primary leads can be done to test for proper load balancing.

Transformers with unequal impedances can be wired to accomplish an equal division of the load.

A(n) ___ system is a control system with a grounded secondary in the control transformer.