Oxy-Fuel Gas Welding Safety and Operation Test Flashcards
The purpose of fusible plugs on an acetylene cylinder is to provide a ___.
Safety valve for excessive internal pressure to be released.
Never release fuel gases ___.
Around fumes removal equipment.
Oxygen or fuel gas from a cylinder may be used only through _____.
An approved gas specific pressure reducing regulator (Teacher said any reducing regulator…)
Which lubricant should be used when connecting the parts of an oxy fuel gas welder? Oil, Pipe-fitting compounds or Threaded lubricants?
None of these
Gas welding equipment should be systematically checked for leaks using ____.
Non-detergent soap and water solution (Teacher said soap and water)
The oxygen cylinder should be turned on ____ when used oxy-fuel gas welding?
All the Way
The acetylene cylinder valve should be opened ____ when gas welding.
3/4
The acetylene cylinder valve wrench should be left in position to ___.
Close the valve promptly if the need arises.
Threads on the acetylene hose are _____.
Left had threads
Acetylene cylinders should be stored ____.
Apart from oxygen cylinders, in an upright position, away from combustibles.
Full oxygen cylinders should be stored ____.
Separate from the fuel gas cylinders.
When storing or moving cylinders ____.
Keep empty and full cylinders separate, keep protective caps in place, and keep 20 ft from all other combustibles.
The proper eye protective equipment for gas welding is ____>
approved goggles with no. 4 shaded lens.
Proper protective clothing for gas welding includes ___.
gauntlet gloves, flame resistant clothing, high to leather shoes.
Which of the follow should be used for lighting a torch ____.
Friction lighter
The maximum line regulator pressure for acetylene is _____.
15 psi
When gas welding one should have _____.
Adequate ventilation of welding fumes, careful handling of lighted torch, careful handling of the hot metal.
Containers that have held flammables or toxic substances should _____.
Never be welded in the agricultural mechanics shop.
When opening cylinder valves, one should _____.
Stand to one side of the regulators.
before leaving the gas welder for a sustained period, do the following _____.
turn off cylinders, close all valves, drain hoses
Gas welding hoses should be _____.
Protected from sparks, hot metal , and sharp edges.
What is the weld root?
Point at which the back of a weld intersects with the base metal surfaces. It determines the weld penetration and fusion to form a rigid joint.
