OAW Section 2

When lighting the torch what tool is used:

• match

• pocket lighter

• friction lighter

• flint

Welding on a tank that has contained flammable liquid is:

• easy to do

• done something

• never done in the shop

• dependent on your skills

You must report any leaks of cylinders or connections immediately to the:

• custodian

• instructor

• maintenance department

• welder nearest you

Due to the heat from the open flame, point the welding torch:

• down and away from yourself

• away from all flammables

• away from other students

• all of these

When oxy-acetylene welding or cutting, the shade lens to be used is a:

• #1-2

• #5-6

• #8-9

• #11-12

The majority of fires that occur around welding and cutting equipment are in:

• the gas welding area

• the production set up area

• the arc welding area

• those areas where portable equipment being used

Cutting and welding should not be done where an open flame could be dangerous. Areas would include:

• in or near rooms containing flammable vapors and liquids

• where flammable liquids are stored and used

• in a room with high lint or flammable dust or exposed loose combustibles materials

• all of the above

What precautions do you take if you have to weld or cut in an area where combustibles materials cannot be removed or covered?

• have a fire extinguisher close at hand

• dampen the exposed area with water before welding

• have a fire watch stand by while the welding is being done

• all of the above

If in doubt about any welding operation what should you do first?

• check with another student

• check reference materials in your notebook

• check with the instructor

• none of the above

If an acetylene cylinder develops a leak and it cannot be tightening the valve and packing unit:

• set the cylinder outside the building away from possible fire, notify supplier immediately

• run away quickly

• use "welder's emergency stop leak"

• check leaks with open flame