Texas Journeyman Exam with correct answers

Texas Journeyman Exam with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




answers

Resistance with 2 resistors - correct answer✔✔(R1+R2)/(R1xR2)||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Resistance with more than 2 resistors - correct answer✔✔1/{(1/r1)+(1/r2)+(1/r3)}
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voltage drop single phase - correct answer✔✔(2 x conductor length x I x kRating)/cmils
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voltage drop 3 phase - correct answer✔✔(1.732 x conductor length x I x kRating)/cmils
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K rating of copper - correct answer✔✔12.9
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K rating of aluminum - correct answer✔✔21.2
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Standard method of residential load calculation - correct answer✔✔[(Total load - 3,000va) x
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35%] + 3,000va + range load
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220.44



Optional method of residential laid calculation - correct answer✔✔[(Total load - 10,000va) x
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40%] + 10,000va
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Farm Load Calculation - correct answer✔✔Largest = 100%
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Second Largest = 75% ||\\||\\ ||\\||\\ ||\\||\\




Third Largest = 65%
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, Remaining = 50% ||\\||\\ ||\\||\\




Branch circuits required - correct answer✔✔(Total lighting load / 120v) / 15amps
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Residential feeder service conductor rating - correct answer✔✔83% of service rating ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Article 310.15(B)(7); pg149 ||\\||\\ ||\\||\\




Range demand factors - correct answer✔✔Table 220.55; pg74
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Transformer secondary current size - correct answer✔✔P/(Vsecondary x 1.732) ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Minimum feeder conductors required - correct answer✔✔125% of continuous load, + 100%
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of non continuous load if applicable
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Article 215.2(A)(1) ||\\||\\




Minimum service conductor of retail store - correct answer✔✔P/(Ix1.732) ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Size conductors with Table 310.15(B)(16)
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Conduit Fill - correct answer✔✔Same size wiring - Annex C pg712
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Different size wiring - Ch9 Table 5 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Raceway Sizes - Table 4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




Box Sizing - correct answer✔✔Straight = raceway size x 8 + width of additional raceways
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Turn = Raceway size x 6 + width of additional raceways
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Volume allowance per conductor - correct answer✔✔314.16(B); pg176
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