This topic contains a solution. Click here to go to the answer

Author Question: The sequence of operation for an oil burner is ________. A) the thermostat calls for heat, the ... (Read 44 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
The sequence of operation for an oil burner is ________.
 
  A) the thermostat calls for heat, the ignition spark is established, the furnace fan comes on, the main flame is established
  B) the thermostat calls for heat, the furnace fan comes on, the ignition spark is established, the main flame is established
  C) the thermostat calls for heat, the ignition spark is established, the main flame is established, the furnace fan comes on

Question 2

Control valves used for water coils are typically:
 
  A) Three-way valves. B) Either two-way or three-way valves.
  C) Four-way valves. D) Two-way valves.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reversalruiz

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

C

Answer to Question 2

B




Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jul 27, 2018
Wow, this really help


FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library