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Nudee88 Nudee88
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6 years ago
How have newer versions of the check valve been modified?
 
  A) They are now part of metering devices.
  B) They are now insulated.
  C) The metering devices are now inside the check valves.
  D) One check valve can now connect to two metering devices.

 Q. 2

What kind of check valve would you find in the air conditioner in a 20-year-old-home?
 
  A) A check valve that used a steel ball. B) A check valve that has a disk and a spring.
  C) A check valve made of plastic. D) A check valve that is inside the metering device.

 Q. 3

How are the blower and coil arranged in most heat pump blower-coils?
 
  A) the coil is before the blower - the fan draws air across the coil
  B) the coil is after the blower - the fan draws air across the coil
  C) the coil is after the blower - the fan forces air across the coil
  D) the coil is before the blower - the fan forces air across the coil
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redrider89redrider89
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6 years ago
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Nudee88 Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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