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Author Question: What type of flame is produced when about 50 percent of the required combustion air is mixed with ... (Read 22 times)

Tazate

  • Hero Member
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  • Posts: 532
on: Jul 24, 2018
What type of flame is produced when about 50 percent of the required combustion air is mixed with natural
  gas prior to ignition?
 
  a. A cool flame
  b. A yellow flame
  c. A hard flame
  d. A blue flame

Question 2

Which condition would cause a humidifier to provide no moisture?
 
  a. Open solenoid valve coil windings
  b. Solenoid valve stuck open
  c. Plugged drain line
  d. Excessive water ham


ktidd

  • Sr. Member
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  • Posts: 319
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

a


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