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Hank Hank
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6 years ago
In a furnace equipped with a solenoid oil flow valve, the valve will close when _____.
 
  a. there is a call for heat
  b. there is an oil leak
  c. power is removed
  d. the burner motor reaches full speed

 Q. 2

An R-22 system has a 28-ft lift and a 7 psi pressure drop in the liquid line due to vertical lift. If the liquid leaves the condenser at 244 psi, what is the pressure at the top of the vertical lift?
 
  A) 237 psi B) 230 psi C) 223 psi D) 214 psi

 Q. 3

What is the current draw of a 1200 W electric heater operating on a 120 volt AC power supply?
 
  A) 120 volts / 1200 watts = 0. 1 amp B) 1200 watts  120 volts = 144,000 amps
  C) 1200 watts / 120 volts = 10 amps D) 120 volts + 1200 watts = 1320 amps
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bvillan1bvillan1
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6 years ago
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Hank Author
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#2
6 years ago
White Heavy Checkmark
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6 years ago
Don't forget to rate the answer too
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