Practice Quiz

Red Seal Construction Electrician - Question List

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11. Which device transmits video signals across twisted-pair wiring?
  1. Modulator
  2. Balun
  3. Switcher
  4. Multiplexer
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12.
What is Green-e certified electricity?
  1. Electricity provided by the utility company that has rebates and incentives
  2. Electricity produced by renewable energy resources
  3. Electricity produced by combustion of fossil fuels
  4. Electricity produced by natural gas
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13.
What do constant voltage transformers regulate?
  1. Power Surges
  2. Brownouts
  3. Blackouts
  4. None of the above
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14.
A worker is tasked with climbing into a vessel with a single access hatch at the top. The atmosphere in the vessel was tested and found to be free of hazardous gasses and contained 20.9% oxygen, but has previously contained combustible gasses. Which of the following is correct?
  1. The worker may proceed with the task with no additional PPE.
  2. The vessel is considered a hazardous confined space, and additional measures will be required including continuous gas monitoring, a harness securely attached to a lifeline, and a safety watch person.
  3. The worker may proceed with the task if effective two-way communication with a safety watch person is maintained for the duration.
  4. The vessel may remain open once the worker has completed the task and be marked as having a safe atmosphere.
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15.
When determining the area used for calculating the load of a single dwelling, which of the following is not included?
  1. 100% of the area on the ground floor.
  2. 75% of the area above the ground floor used for living purposes.
  3. 100% of any areas above the ground floor used for living purposes.
  4. 75% of the area below the ground floor.
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