Which relay terminal is the normally closed (NC) terminal?

A) 87a B) 85 C) 30 D) 87


A

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What occurs after the pilot flame is proven on a gas furnace or boiler that uses spark ignition to light the pilot?

a. Sparking ceases. b. Burners light. c. Inducer starts. d. Flame is sensed.

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Agronomists provide producers with information about the combination of soils, plants, and climate that will promote the best possible yield of field crops

Indicate whether the statement is true or false

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Six (6) different types of heads for machine screws are flat, round, oval, pan, hexagon and ____________________.

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

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The voltage amplitude produced by the linear Hall-effect device is inversely proportional to its distance from the magnetic target.

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

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