If the temperature rise of a furnace is too low, how can it be ...

[fbq8i]

If the temperature rise of a furnace is too low, how can it be increased?
 
  A) Increasing the air flow
  B) Increasing the voltage to the furnace
  C) Reducing the air flow
  D) Increasing the manifold pressure by  in wc over the data plate recommendation

Question 2

To manually defrost a frozen evaporator coil, technicians should:
 
  A) Chip away the ice from the coil using a tool designed for chipping ice.
  B) Use any available sharp object to chip away ice from the coil.
  C) Use a heat gun to accelerate the melting of the ice.
  D) Spray the ice with liquid refrigerant, which will boil and melt the ice.

[pallen55]

Answer to Question 1

C

Answer to Question 2

C

[fbq8i]

Both answers were spot on, thank you once again

[pallen55]

Great! Please up vote