Sample questions

IBEW Aptitude Sample Questions

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Sample 1

If 3x + 7 = 25, what is x?

  1. 10
  2. 4
  3. 6
  4. 8

Answer: C. Subtract 7 from both sides to get 3x = 18, then divide by 3.

Sample 2

A conduit run is 48 feet long. If supports are placed every 8 feet, how many equal intervals are there?

  1. 4
  2. 5
  3. 8
  4. 6

Answer: D. Forty-eight divided by eight gives six intervals.

Sample 3

A notice says: 'Cable pulls must be complete before panel energizing. Because the cable delivery moved to Thursday, energizing is now scheduled for Friday.' Why was energizing rescheduled?

  1. Cable pulls depend on the delayed delivery and must precede energizing
  2. Friday has a lower electrical rate
  3. The crew completed cable pulls early
  4. The panel inspection was canceled

Answer: A. The notice directly connects the delayed cable delivery to cable pulls, which must finish before energizing.

Sample 4

A notice states: 'Orientation begins at 8:00 a.m. The doors open at 7:30 a.m., and late arrivals cannot enter after orientation begins.' Maya arrives at 7:50 a.m. What does the notice indicate?

  1. The doors do not open until 8:30
  2. She may enter before orientation begins
  3. Late arrivals may enter at any time
  4. She must return the next day

Answer: B. Maya arrives after the doors open and before the 8:00 a.m. start, so the late-entry restriction does not bar her.

Sample 5

If y = 2x + 3 and x = 4, what is y?

  1. 7
  2. 9
  3. 11
  4. 14

Answer: C. Substitute x = 4: y = 2(4) + 3 = 11.

Sample 6

Which number continues the pattern 4, 8, 16, 32, ...?

  1. 36
  2. 48
  3. 80
  4. 64

Answer: D. The pattern doubles each term, so 32 becomes 64.

Sample 7

A procedure says: 'Inspect the ladder before use. Tag it out if a rung is loose. Do not return it to service until an authorized repair is complete.' A rung is loose. What must happen next?

  1. Tag it out and keep it out of service pending authorized repair
  2. Tighten the rung after climbing
  3. Move it to another crew without a tag
  4. Use it only for a short task

Answer: A. The procedure directly requires tag-out and prohibits return to service before an authorized repair.

Sample 8

Solve: 5x = 45.

  1. 7
  2. 9
  3. 11
  4. 5

Answer: B. Divide both sides by 5 to get x = 9.

Sample 9

A 12-foot conduit is cut into 3 equal pieces. How long is each piece?

  1. 9 ft
  2. 3 ft
  3. 4 ft
  4. 6 ft

Answer: C. Twelve divided by three equals four.

Sample 10

In the sentence 'The foreman postponed the shutdown because the replacement breaker had not arrived,' what does postponed mean?

  1. Assigned to a different building
  2. Canceled permanently
  3. Completed ahead of schedule
  4. Delayed until a later time

Answer: D. The missing replacement caused the shutdown to be delayed, so postponed means moved to a later time.

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TradeCert Prep provides independent prep for trade exam practice tests and other skilled-trade exams, with exam-style questions, answer explanations, timed sets, flash cards, missed-question review, and focused drills before test day.

IBEW Aptitude Sample Questions with answer explanations and a link to the interactive IBEW Aptitude Test Prep free practice test. The site includes practice paths for EPA 608, CDL, IBEW aptitude, journeyman electrician, CWI welding inspector, NASCLA, NCCCO, NHIE, and plumbing license exams.

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