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kimmykgirl19 kimmykgirl19
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6 years ago
The cad cell in an oil furnace performs the same function as which device in a gas furnace?
 
  a. Temperature limit switch
  b. Flame detector
  c. Hot surface igniter
  d. Flame rollout switch

 Q. 2

The stationary magnet of a DC motor is represented by the _____.
 
  a. armature
  b. field poles
  c. commutator
  d. rotor

 Q. 3

An R-22 system has a 6 psi pressure drop in the liquid line and leaves the condenser at 218 psi. If the pressure at the top of the vertical lift is 199 psi, what is the height of the vertical lift?
 
  A) 21 ft B) 19 ft C) 26 ft D) 29 ft
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leticia1977leticia1977
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6 years ago
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kimmykgirl19 Author
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6 years ago
This site is awesome
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Brilliant ツ
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This helped my grade so much Perfect
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