Author Question: As the refractory temperature increases, the combustion efficiency: A) Stays the same. B) ... (Read 109 times)

haleyc112 · **on:** Jul 24, 2018

As the refractory temperature increases, the combustion efficiency:

A) Stays the same. B) Fluctuates. C) Increases. D) Decreases.

Question 2

Where should the thermostat be mounted?

A) 36 to 48 in above the floor on an inside wall B) 52 to 60 in above the floor on an inside wall
C) 52 to 60 in above the floor on an outside wall D) 36 to 48 in above the floor on an outside wall