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 103 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library