A Delta-Delta Transformer Has a Primary Voltage of 7200 V

question 11

Multiple Choice

A delta-delta transformer has a primary voltage of 7200 V and a secondary voltage of 360 V. What is the turns ratio?

• A) 11.55:1
• B) 15:11.55
• C) 20:1
• D) 51:20

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Definitions:

Assignable Causes

Sources of variation in a process or system that can be identified and usually eliminated, distinguished from random causes that are inherent in the system.

Production Environment

The setting where software and systems are deployed and operated for end-users in real-world scenarios, often contrasted with development or testing environments.

Control Chart

A graphical tool used to monitor, control, and improve process performance over time by detecting significant variations.

Standard Deviations

Measurements indicating the amount of variation or spread in a set of values, highlighting how much each number differs from the mean.