Exam 2: Safety in Welding

Acetylene cylinders that have been lying on their sides must stand upright for at least ____ hours before they are used.

Which light cannot be seen?

​Light that bounces off of a wall or ceiling is referred to as_________.

____ light is dangerous because the welder cannot feel the light while being exposed to it, and it may pass through clothing.

____ are usually either hydraulic or flywheel operated.

What is an MSDS?

____________________ is a metal used in large quantities in the manufacture of brass and is found in brazing rods.

Acetylene is absorbed in ____________________.

​What is the most severe degree of a burn?

The base of a ladder should be set out a distance equal to ____ the height to the point of support.

____ is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations.

Describe how to test a grinding stone for cracks.

____ fire extinguishers are used for combustible solids.

Welding cable must be spliced ____ the electrode holder.

The best material to use for special protective clothing is ____.

Stored oxygen and fuel gas cylinders ____.

​Auto darkening welding helmets can be a tremendous help for new welders since they let you see where your electrode is and darken for welding within _____________ of a second.

​The abbreviation PPE stands for __________________________________.

_____________________ respirators are atmosphere-supplying respirators that admit breathing air to the facepiece only when a negative pressure is created inside the facepiece by inhalation.

Green hoses are to be used only for ____________________.