If an oil pump had to pump oil from an oil tank located 15 feet vertically below the burner, and 20 feet horizontally from the burner, with an oil filter in the system, how much vacuum would be created?
A. 36" Hg
B. 9" Hg
C. 18" Hg
D. 20" Hg
Answer: C
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Find the power output of a PV panel producing 8.4 amps of current at 26.2 V.?
Fill in the blank(s) with the appropriate word(s).
With what degree of accuracy can current mobile GPS devices read geographic position?
A. 6 feet (2 meters) B. 12 feet (4 meters) C. 100 feet (30 meters) D. 200 feet (61 meters)
The United States is the number one producer of milk from:
a. goats c. cattle b. sheep d. yaks
Match the NEC article to its subject matter.
A. is devoted to electric heat and its unique requirements B. applies to motor-driven air conditioning and refrigeration systems as well as the branch circuits and controllers used in conjunction with this equipment C. specifies that appliances are not to have any exposed live parts. D. provides useful information regarding the safe and proper methods to be used when installing, maintaining and servicing electric motors and their associated components E. covers a wide range of topics regarding electrical boxes and conduit bodies that are used for electrical junctions, outlets and electrical devices