The system used to measure the efficiency of room air conditioners is :

The system used to measure the efficiency of room air conditioners is
 
  A) EER - energy efficiency ratio B) CSPF - cooling seasonal performance factor
  C) AFUE - annual fuel utilization efficiency D) SEER - seasonal energy efficiency ratio

 Q. 2

Window unit air conditioners are designed primarily to supply cool air to:
 
  A) One room B) unconditioned attic space
  C) unconditioned basements D) Several rooms in a small house

 Q. 3

How is size of an extinguisher related to its ability to put out a fire?
 
  A) The fewer combustible materials, the bigger the extinguisher.
  B) The more combustible materials, the bigger the extinguisher.
  C) The more combustible materials, the smaller the extinguisher.
  D) The fewer combustible materials, the newer the extinguisher.