Butterfly shutters and sliding sleeves are examples of _________________________ and are used on atmospheric type gas burners.

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


primary air adjusters

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Table 22-1 shows that steel tooling materials are feasible for ____.  ?

A. ?prototype runs B. ?> 1000 number of parts C. ?10-100 number of parts D. ?temporary runs 

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The individual that directly oversees work being performed by a crane and the rigging crew is the _____.

a. lift director b. crane operator c. site supervisor d. crane user

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Wire "ladder" reinforcing is required in every third course of blockwork.

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

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Which furnace configuration does the multipoise furnace most closely match as delivered from the factory?

a. upflow b. downflow c. horizontal d. low-boy

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