What is the most common residential load calculation that is accurate?
A) Dividing the house volume by an air change factor, such as 20
B) Multiplying the number of rooms × 4,000
C) ACCA Manual J
D) Dividing the floor area by a load factor, such as 600 ft2 per ton
C
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A special washer-faced nut is shown in the accompanying figure. All dimensions are in inches. Determine the distance across flats if it is 55/64 x the distance across corners.
A. 1595/2048 in B. 1695/2048 in C. 1795/2048 in D. 1895/2048 in
Most women workers of the 1890s worked
A. to achieve financial independence. B. for the cultural glamour of being a working woman in American society. C. for economic necessity. D. to accumulate their retirement savings. E. because their husbands preferred that they work.
Grounding and Bonding is covered in Article __________ of the National Electrical Code®.
a. 210 b. 250 c. 110 d. 100
A contractor's estimate for a job lists $17,850.00 for excavating and grading, $2,110.50 for concrete work, $890.00 for brick work, and $480.00 for setting stone. What is the total of this estimate?
What will be an ideal response?