When Troubleshooting an Oil Burner, the Technician Reads 115 Volts

question 3

Multiple Choice

When troubleshooting an oil burner, the technician reads 115 volts to the primary control, but 0 volts at the high-voltage transformer primary winding. What is the most likely problem?

• A) defective high voltage transformer
• B) defective primary control
• C) defective power switch
• D) defective electrodes

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Definitions:

Rational Model

A mathematical model that uses rational expressions to describe relationships between different quantities.

Least Common Denominator

The smallest positive integer that is divisible by each denominator of a set of fractions, facilitating their comparison or summation.

Common Denominator

The shared multiple of the denominators of two or more fractions, used to make their denominators the same for addition or subtraction.

Combine

To combine is to join or merge two or more elements into a single unit or group.