Free ASCS Exam Braindumps (page: 6)

Page 5 of 38

Which component is designed to provide the difference in air pressure required to distribute air throughout a system?

  1. Heating coil
  2. Centrifugal fan
  3. Cooling coil
  4. Turning vane

Answer(s): B



An ASCS finds leaks in the supply ductwork of a residential HVAC system that is located in an attic. This will MOST likely cause:

  1. positive pressurization of the occupied space.
  2. balanced pressurization of the occupied space.
  3. negative pressurization of the occupied space.
  4. cleaner air for the occupied space.

Answer(s): C



Which of the following HVAC components controls the room air by regulating hot and cold air?

  1. VAV box
  2. Mixing box
  3. Attenuator
  4. Constant volume damper

Answer(s): B



The MOST common control release mechanism for fire dampers is:

  1. fusible links.
  2. pneumatic controls.
  3. electromagnetic controls.
  4. pulling the building fire alarm device.

Answer(s): A






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