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krazyrwe krazyrwe
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6 years ago
How are refrigerants with a higher toxicity level labeled?
 
  A) Letter B B) Letter A C) Letter D D) Letter C


[Ques. 2] The first check to make whenever working on a water-cooled system is:
 
  A) Compressor amp draw. B) Condenser water flow.
  C) Outdoor ambient wet bulb temperature. D) System operating pressures.


[Ques. 3] A refrigerant's safety rating is a combination of the toxicity letter and the:
 
  A) Freezing point. B) Oxygen saturation.
  C) Flammability number. D) Pressure rating.


[Ques. 4] Why might wearing safety glasses with a shade of 11 create a hazardous situation?
 
  A) Shade 11 glasses are not adequate for soldering.
  B) Shade 11 glasses may obscure vision while soldering.
  C) Smooth-toed leather shoes are not adequate for soldering.
  D) Smooth-toed leather shoes can trap sparks and debris.


[Ques. 5] Which of the following articles of clothing is a potential safety hazard when soldering?
 
  A) Leather gloves B) Denim blue jeans
  C) Rayon-polyester running pants D) Heavy cotton shirt
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nsc95nsc95
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6 years ago
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krazyrwe Author
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#2
6 years ago
Above and beyond my expectations for this site
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