The minimum clearance to allow for the front of the service access panel on equipment installed in ...

The minimum clearance to allow for the front of the service access panel on equipment installed in an attic is:
 
  A) A 24   24 level area. B) A 36  36 level area.
  C) A 30  30 level area. D) A 12  30 level area.

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[Ques. 2] Which of the following statements regarding chillers is TRUE?
 
  A) Top-loaded chillers do not use shell-and-tube arrangements.
  B) Dry (direct expansion) chillers require less refrigerant than do flooded chillers.
  C) Regional zone chillers are more cost-effective than centralized units.
  D) Flooded chillers have less potential for freeze-ups than other chillers.

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[Ques. 3] Which system is designed to evaluate how efficient the heating of a pump is?
 
  A) SEER B) HSPF C) EER D) Energy Star

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[Ques. 4] When troubleshooting split air conditioning systems be sure to check voltage to:
 
  A) The outdoor unit only.
  B) Both the indoor and outdoor units.
  C) The indoor unit only.

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[Ques. 5] What instrument is used primarily for measuring leakage in ductwork?
 
  A) A magnehelic gauge B) An inclined manometer
  C) A duct blaster D) Duct leakage cannot be directly measured.