welding 1 final

Compared to a full leather welding jacket,a welding cape is ____________

• warmer
• more durable
• more protective
• cooler

An exhaust hood should be located _________the source of welding fumes

• as close as possible 
• three to four feet away from
• anywhere above 
• four to six inches away from 

All of the following fabric may be worn around sources of sparks or high heat except

• wool
• polyester
• cotton 
• leather

The most effective hearing protection is provided by_______________

• reusable earplugs
• disposable earplugs
• rolled up cotton balls 
• earmuff type hearing protectors 

The proper selection of a respirator is base on the __________________

• user's size and level of activity 
• contaminant present and its concentration 
• wear's personal preference
• amount of time it will be worn 

Detailed information regarding the possible hazards associated with a product is contained in a ___________________

• welding procedure specification (WPS)
• product qualification record (PQR)
• Material safety data sheet (MSDS)
• confined space entry permit (CSEP)

Foot and vehicle traffic in the work place is ___________

• regulated by the AHJ
• more hazardous at the starting quitting times
• of particular concern for workers over eighteen 
• not usually a factor when determining hazards

An oxygen level of ________by volume is considered normal and safe to work in.

• 6% to 16%
• 19.5% to 23.5%
• >23.5%
• <6%

A ________ is a document issued by the site manager that allows a welder to perform operations with a potential risk of fire.

• welding procedure specification
• hot work permit
• confined space entry permit
• welder qualification record 

If acetylene is withdrawn from a cylinder at a rate of more than one-tenth of the volume per hour, there is a risk of __________. 

• the acetylene igniting as it passes through the regulator
• frost forming on the regulator and rendering it ineffective
• dropping the cylinder pressure below 15 psi, causing it to explode
• liquid acetone being drawn into the hoses and gumming up the check valves and regulator