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

Author Question: A certified welder is someone who takes a weld test to weld anything. Indicate whether the ... (Read 116 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
A certified welder is someone who takes a weld test to weld anything.
 
  Indicate whether the statement is true or false

Question 2

Why should a carbon monoxide detector be used in any room where gas-fired space heaters are being used?
 
  A) The efficiency of gas fired space heaters drops when the CO level in the room exceeds 500 ppm
  B) Gas fired space heaters can produce carbon monoxide if the space they are operating in does not have adequate combustion air
  C) Since CO is an integral component of natural gas, a CO detector will alarm if there are any small gas leaks in the gas line
  D) High levels of CO can cause nuisance trips of the space heater's oxygen depletion sensor



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

poopface

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

FALSE

Answer to Question 2

B




poopface

  • Sr. Member
  • ****
  • Posts: 339

 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

For a complete list of videos, visit our video library