Label the following furnace


Header box and gasket

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Mechanical connections are shown with ____.

a. straight broken lines b. a connection dot c. a connection node d. lines crossing each other

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Which of the following is a disadvantage of internal recruiting?

a. There may not be many qualified applicants. b. Individuals who don’t get new position may become dissatisfied and decrease their performance. c. The competition for positions may hinder cooperation. d. All of the above are disadvantages of internal recruiting. e. None of the above are disadvantages of internal recruiting.

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How is a hot water boiler pressure relief valve tested?

A) By checking the continuity of its operating coil B) By jumping the aquastat and limit, forcing the boiler to operate until the pressure relief valve opens C) By lifting the lever located on top of the relief valve D) By slowly adding nitrogen pressure until the relief valve opens

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A weld symbol refers to a particular type of weld

Indicate whether the statement is true or false

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