When Connecting Three Transformers for Three-Phase Use with a Delta

question 14

Multiple Choice

When connecting three transformers for three-phase use with a delta secondary, a voltage test should be done before closing the secondary. The correct voltage reading is _____.

• A) the rated secondary voltage value
• B) twice the rated secondary voltage value
• C) zero volts
• D) the sum of the three transformer primaries

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Definitions:

Heterozygous

Having two different alleles at the same locus on homologous chromosomes.

Homozygous Dominant

A genetic condition where an individual has two copies of the same dominant allele for a particular trait.

Homozygous Recessive

A genetic condition where an individual has inherited two identical recessive alleles for a specific trait.

Restriction Enzymes

Enzymes used in molecular biology to cut DNA at specific sequences, allowing for DNA manipulation.