A water-source system that recirculates water in pipes buried in ...

[saraeharris]

A water-source system that recirculates water in pipes buried in the ground is:
 
  A) Considered a hybrid between an open- and a closed-loop system.
  B) An open-loop system.
  C) A closed-loop system.
  D) Called a quasi-open loop because it still must have an air gap at the circulating pump.

Question 2

The output of an oil furnace ignition transformer can be tested:
 
  A) Using the microamp scale on a multimeter.
  B) Using a voltmeter that can read 1,000 V DC.
  C) Using a voltmeter that can read 1,000 V AC.
  D) With a special high-voltage probe that reduces the voltage to a level a standard meter can read.

[sylvia]

Answer to Question 1

C

Answer to Question 2

D

[saraeharris]

Gracias!

[xiaomengxian]

Excellent