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

Author Question: Before starting an oil furnace, the technician should check to see that: A) The flame-observation ... (Read 48 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
Before starting an oil furnace, the technician should check to see that:
 
  A) The flame-observation door is open for viewing.
  B) The clean-out doors are open to allow unwanted debris to be blown out during ignition.
  C) The flame-observation door and all clean-outs are closed.
  D) The flame-observation door and all clean-outs are open.

Question 2

Round sheet metal ductwork should be:
 
  A) Fastened with sheet metal screws and sealed with mastic.
  B) Fastened with duct tape and sealed with mastic.
  C) Fastened and sealed with mastic.
  D) Fastened and sealed with duct tape.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

morrie123456

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

C

Answer to Question 2

A




clippers!

  • Member
  • Posts: 828
Reply 2 on: Jul 24, 2018
Gracias!


bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

For a complete list of videos, visit our video library