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


Answer: B

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Technician Asays the motor turns faster if there are more armature windings connected between the common and high-speed brushes. Technician B says the less counterelectromotive force (CEMF) in the armature, the greater the armature current. Who is correct?

A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B

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Why is it important to document inspection results and materials used during each step of the PM activity and not waiting until the end of the day?

What will be an ideal response?

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The proportioning valve is located in the hydraulic line to the rear brakes.

Answer the following statement true (T) or false (F)

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Mixed format: (with a space between the whole number and the numerator)Fraction format: Reduce all fractions. The ceiling outlets on a residential job weigh an average of pound each, and 12 are required. Find the total weight of the outlets.

Fill in the blank(s) with the appropriate word(s).

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