Which of the following is a practical use of a solar system? ...

[dejastew]

Which of the following is a practical use of a solar system?
 
  A) Use a solar collector to control the flow of water entering the heat pump.
  B) Use a solar system to operate a heat pump during winter.
  C) Use a solar collector to raise the temperature of water entering the heat pump.
  D) Use a solar system in lieu of a heat pump for heating during winter.

Question 2

What causes soot buildup in the heat exchanger and vent?
 
  A) Soot buildup is caused by low indoor air flow.
  B) Soot buildup is a normal consequence of any combustion process.
  C) Soot buildup is caused by incomplete combustion.
  D) Soot buildup is caused by using high-carbon fuel oil.

[braelync]

Answer to Question 1

C

Answer to Question 2

C

[dejastew]

Thanks for the timely response, appreciate it

[deja]

Great answer, keep it coming