The high-limit control, like the ____________________, is a device that opens and closes its contacts in response to boiler water temperature.
Fill in the blank(s) with the appropriate word(s).
aquastat
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What is the primary advantage of a cracked connecting rod?
A. lighter weight B. less machining required C. no friction bearings required D. perfect alignment of rod cap to rod
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Most control transformers are _____.
a. askarel-insulated step-up b. dry-type step-down c. liquid-insulated step-up d. oil-insulated step-down
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A letter that asks someone outside your organization for something you need is known as a ____ letter
Fill in the blank(s) with correct word
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What is the origin of the variety in the properties of polyurethanes?
What will be an ideal response?
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