Free RCDD-001 Exam Braindumps
BICSI Registered Communications Distribution Designer Questions 156–160 (page: 33)

Updated On: 10-Feb-2026

Using Ohms law, a circuit of 120 volts and a resistance of 15 ohms will have a current of ________ amps.

  1. 5
  2. 8
  3. 10
  4. 12
  5. 15

Answer(s): B



If you have a circuit with 120 volts, 12 amps, and 10 ohms, it has a peak power of ________ watts.

  1. 1018
  2. 1200
  3. 1440
  4. 2037

Answer(s): C



The formula for calculating BTUs from electrical power is:

  1. W x 0.707
  2. W x 1.732
  3. W x 3.1416
  4. W x 3.413

Answer(s): D



A rapid increase in voltage with a duration of half a cycle best describes a(n):

  1. Swell
  2. Overvoltage
  3. Transient
  4. Frequency variation

Answer(s): C



You have been asked what the estimated power cost will be per month (30 days) for the new equipment room you are designing. The power load you have calculated to be an average of 1850 watts per hour.
What is the monthly cost assuming the cost of electricity is 7.5 cents (U.S.) per kilowatt hour?

  1. $44.40
  2. $55.50
  3. $99.90
  4. $122.80
  5. $140.10

Answer(s): C



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