List the three spray patterns used in oil burner nozzles.

What will be an ideal response?


hollow, semi-hollow, solid

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

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Calibration is the process where a set of known values are applied to a sensor-transmitter combination, and the corresponding output values are measured

Indicate whether the statement is true or false

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With open V-groove welds, the actual number of weld beads will vary depending on the _____

a. work angle b. plate thickness c. WPS specification d. welder preference

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_____ fires can be extinguished with water.

A. Class A B. Class B C. Class C D. Class D

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