Which of the following statements is true regarding the ...

[bucstennis@aim.com]

Which of the following statements is true regarding the energy-recovery wheel?
 
  A) The energy-recovery wheel does not allow more indoor air into the system without significantly increasing operating costs.
  B) The energy-recovery wheel does not rotate when exiting air passes through it.
  C) The energy-recovery wheel mixes outdoor and exhaust air as the air streams pass through it.
  D) The energy-recovery wheel is configured so that exhaust air exits the top and outdoor air enters the bottom.

Question 2

Why would a preheat coil be used on the energy-recovery wheel?
 
  A) to prevent moisture transfer to the supply air B) to prevent frost from forming on the wheel
  C) to warm the exhaust air D) to dry the intake air

[b614102004]

Answer to Question 1

D

Answer to Question 2

B

[bucstennis@aim.com]

Thanks for the timely response, appreciate it

[samiel-sayed]

Excellent