Free APC DU0-001 Exam Questions (page: 4)

Cooling towers are a typical component of which heat rejection system?

  1. Water cooled system
  2. Glycol cooled system
  3. Air cooled split system
  4. Air cooled self-contained system

Answer(s): A



Which type of humidification system uses quartz lamps extended over an open pool of water to release water vapor?

  1. Infrared humidifier
  2. Ultrasonic humidifier
  3. Electromagnetic humidifier
  4. Steam canister humidifier

Answer(s): A



What is an advantage of choosing a four-post open frame rack over a two-post open frame rack?

  1. Lower cost
  2. Smaller footprint
  3. Easier assembly
  4. Increased strength

Answer(s): D



How do enclosures improve rack system cooling?

  1. By improving natural air flow
  2. By improving fire suppression
  3. By allowing hot and cold air to mix together
  4. By preventing hot and cold air from mixing together

Answer(s): D



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