Used V-ribbed belts should have ____ pounds of tension per rib.
A. 10 to 15
B. 15 to 20
C. 20 to 25
D. 25 to 30
Answer: B
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____ floor area is floor area or rooms in a residential occupancy used for living, sleeping, cooking, and eating.
a. Residential b. Home c. House d. Habitable
The secondary of each instrument transformer is ____________________ to provide protection from high-voltage hazards, as provided in Article 250 Part IX of the NEC.
Fill in the blank(s) with the appropriate word(s).
5/8 is expressed in decimal form as ________
A) 0.253 B) 1.6 C) 0.625 D) None of these
According to the text, what is the purpose of interconnecting dashed lines for some electrical symbols?
A) To customize the plans for HVAC installers B) To show general locations for fixtures, piping, and hardware C) To help technicians interpret mechanical portions of drawings. D) To assure electricians wire the home lighting as designed