One difference in common fuel oil burners and waste oil burners ...

[student77]

One difference in common fuel oil burners and waste oil burners is that waste oil burners installed indoors
  _____.
 
  a. cannot burn regular fuel oil
  b. use a hot-surface igniter
  c. use compressed air to atomize the fuel
  d. do not need to be vented

Question 2

Unless a wood stove has a catalytic element, the maximum amount of smoke emissions, in grams per hour,
  allowed by the EPA is _____.
 
  a. 0.4
  b. 4.1
  c. 7.5
  d. 10

[nixon_s]

Answer to Question 1

c

Answer to Question 2

c

[student77]

Wow, this really help

[shailee]

Gracias!