Two thousand, five hundred feet of BX cable are ordered. The cable is shipped in 250-foot coils. How many coils are shipped?
Fill in the blank(s) with the appropriate word(s).
10
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An electric heating unit that utilizes ductwork to distribute the heated air is classified as a ____.
A. natural-convection heater B. forced-convection heater C. forced-draft conductor D. radiant heater
Which of the following is not a major factor in determining the soil aeration status?
A) volume of macropores B) nitrogen gas C) redox potential D) carbon dioxide E) oxygen
Why should a technician never touch the glass ampoule of any halogen bulb?
A) Oils from a finger can cause a shorter service life. B) The glass will melt from the heat of your finger. C) You can get a significant burn. D) The glass will crack.
What is the primary difference between the EER and the SEER?
What will be an ideal response?