Mrs. T. Welding Safety

Which method to remove fumes and gases at or near the arc would be correct?

• The static electric filtration method

• The source extraction method

• The natural ventilation method

• The mechanical ventilation method

Which of these metal has been linked to Parkinson's Disease?

• Carbon steel

• copper

• Manganese

• Beryllium

Which of these processes is acetylene used?

• Oxyfuel cutting

• Gas Tungsten Arc Welding

• Flux core arc welding

• Carbon arc welding

In the oxyfuel cutting process, which of the following is used as a fuel gas?

• Oxygen

• Propane

• Nitrogen

• Argon

Grounding of a welding machine usually involves___ .

• connecting the machines ground remina to a know ground source

• plugging it into a three-prong receptacle

• plugging it into a ground fault circuit interrupter

• setting it on bear earth

An air-purifying respirator should be changed _____.

• after every eight hour work shift

• after 24 hours of total use

• when the wearer detects any taste or smell

• three days after the filter cartridges is installed

The risk of flash burn can be reduce by _______.

• wearing chaps and spats

• looking slightly to the left or the right of the arc while welding

• wearing a welding cap with the visor turned backwards

• wearing safety glasses and a hood with a properly tinted lens

In addition to protecting other workers from exposure to electric arcs, welding screens _______.

• prevent drafts from interfering with the stability of the arc

• reduce glare on the workpiece

• mark a confine space

• support workpieces for overhead welding

How close should a high vacuum /low volume exhaust inlet be located to the source of welding fumes?

• 2'' to 4''

• 6'' to 8''

• 12'' to 14''

• at least 12 feet away

What concentration of oxygen, in percent by volume, is considered normal and safe to work in?

• Less than 6

• 6 to 16

• 19.5 to 21.5

• More than 23.5