TL;DR
Master the order of operations and fundamental algebraic problem-solving. Strong arithmetic skills are foundational to electrical calculations and tested on the IBEW/NJATC Apprenticeship Aptitude Test.
Free Basic Operations & PEMDAS Practice Questions
IBEW/NJATC Apprenticeship Aptitude Test · Algebra
This module covers Basic Operations & PEMDAS as part of the Algebra section, testing your understanding of core concepts and their practical application.
| Exam | IBEW/NJATC Apprenticeship Aptitude Test |
| Pass Rate | 35% |
| Duration | 97 minutes |
| Module | Basic Operations & PEMDAS |
Why Basic Operations & PEMDAS matters
Basic Operations & PEMDAS is tested because strong math skills are essential for performing electrical calculations accurately in the field.
Sample Practice Questions (5)
1. An apprentice needs 8 outlets on one wall plus 3 runs of 4 outlets each on another wall. Using the expression \( 8 + 3 \ imes 4 \), how many outlets are needed in total?
- 20
- 44
- 32
- 15
2. A building's basement electrical room is at −3 feet below grade. A conduit run rises 7 feet from that point. Using the expression \( (-3) + 7 \), what is the conduit's endpoint elevation relative to grade?
- 4 feet above grade
- 4 feet below grade
- 10 feet above grade
- 10 feet below grade
3. A panel has 4 spare breaker slots. A contractor adds 6 circuits of 3 amps each, but 2 circuits are later decommissioned. Using \( 4 + 6 \ imes 3 - 2 \), what is the total amperage calculation?
- 20
- 28
- 22
- 32
Want more practice like this?
Start practicing free →4. A thermostat reading shows −8°F. A technician applies 3 adjustments of −2°F each. Using \( -8 + 3 \times (-2) \), what is the final temperature?
- −14°F
- 10°F
- −2°F
- 22°F
5. What is (−6) × 3 + (−2) × (−4)?
- −10
- −26
- 10
- 26
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