Oxy_fuel_cutting_and_welding_and_shielded_metal_arc_welding[1].txt

cylinders shall be moved by tilting and rolling them on there ------- edges

Fuel gas cylinders shall be placed with valve ------ whenever in use

Fuel gas hose and oxygen hose shall be easily __________ from each other

Hose couplings shall be of the type that cannot be unlocked or disconnected by means of a ______ without rotary motion

Oxygen cylinders and ______ shall be kept away from oil or Greece

All arc welding and cutting cables shall be of the completely _______ flexible type

cables in need of repair ______ be used

All ground _______ shall be inspected to ensure that they are mechanically strong and electrically adequate for the required current

The term _______ means the equipment or material included in a list published buy a nationally recognized testing laboratory

Shall is used to indicate ______ which are mandatory

Supervisors shall be responsible for the safe ________ of the welding equipment and for the safe ______ of the welding process

Welders shall cut or weld only where all _______ have been met

Goggles shall be vented to deter _______ of the lenses

Helmets hand- shield and goggles shall be well _______ and should not be transferred from one employee to another without being cleaned

Cape sleaves or shoulder covers with bibs made of ________ or other_______ material shall be worn during overhead welding cutting or other operations when necessary

Caps made from_________ materials shall be worn under helmets when necessary to prevent head burns

Only ________ respiratory protective equipment shall be used

Adequate _______ shall be provided for all welding cutting brazing and related operations

Before______ or_______ is begun in a location not designed for such purposes inspection and authorization by a designated management representative shall be required

Confined spaces shall be tested for toxic or flammable gases, dusts and vapors, and for________or_______oxygen before entering and during occupancy

When welding or cutting in confined spaces, gas cylinders in welding power sources shall be located ________the confined space

When a person enters confined space through a manhole or other small opening, means shall be provided for __________ outside personnel for help

Installation and operation of welding, cutting, and related equipment shall be done by, or under the supervision of a ________operator

Cylinder valves shall be _______when equipment is unattended

Hoses cables and conduit shall be ______ and ________ so that they will not be physically damaged

Oxy- fuel cutting is the process of _______ iron or steel into distinct pieces by using an oxy-fuel flame in combination with a jet of pure oxygen

oxy-fuel gas cutting of ferrous metals is a process of _______ the material to be cut to its kindling or ignition temperature

An oxyacetalene flame has a peak temperature of approximatly

List three types of oxyacetalene flames

A _______ flame wich consumes approximatley half oxygen from cylender and half acetelene, is used mostly for welding steel.

When more oxygen is supplied to the _____ flame, the inner cone becomes darker and shorter and the whole flame is smaller and hotter

In most cases, cuts are started at the _____ of the piece.

Never adjust an oxyacetelene flame by ______ the amount of acetelene

Oxyacetelene welding is a ___________ process where coalesence is produced by heating with a gas flame.

What are two types of work stations

Oygen cylinders are supplied with speacially designed bronze valves which are always _____ open when the oxygen is being used

a small drop of oil or greese inside an oxygen ____ or _____ can cause a explosion

when Acetylene is continuosly withdrawn at a rate which exceeds 1/7th of the cylinders ____ volume (not its capacity), acetone comes out

Acetylene is generated as the result of the chemical reaction of _______ and water

Recompressing high pressure oxygen in a ____ pressure cavity may create ____ resulting in combustion

List the names of three sides of the fire triangle

all gas-air or gas oxygen _____ should be regarded as potentialy dangerous

the odor of commercial ____ is very noticable and charistic, even in small percentages

Propane is a _____ petroleum fuel, which comes from oil refineries or as gas off the top of oil wells.

the oxyacetylene system is commonly used for ___ and ____ operations in piping installations

goggles with _____ lenses should be individually fitted to secure best efficiancy and personal comfort

what are two types of oxyacetelyne torches

an injector type torch must be used with ____ fuel

a _____ flame is produced by mixing a ratio of aprox. 1 volume of oxygen to 1 volume of acetylene

a torch is essentialy a set of gas tubes with ______ valves

What are the basic components of a torch?

a welding tip or nozzle is normally an assembly consisting of a

a cutting tip with six ______ orifcies will cut more readily in any direction

a single state regulator functions by balancing the force of the _______ spring against the outlet pressure

the adjusting screw of a regulator controls the ____ of the gas and _____ pressure to the hose and torch

fuel gas regulators have ______ threaded outlet connections

the pressure on a low-pressuer gage may require some means of ______ for fluctuation in pressure whe it is used with a long hose or a high rate of flow

a premium quality welding hose, ______ is recomended for applications with all fuel gases including acetylene

a ______ is the momentary recession of the flame into the torch tip followed by immediate reapperance of complete extiguishment of the flame

a _____ is the recession of the flame into or back of the mixing chamber of the torch

The reverse flow check valce principle employs a tiny spring mechanism which _____ a small ball or seat to provide a tight seal

Reverse folow check valves and internal check valves are _____ devices that can leak when dirty or damaged

diameter and length of flashback arrestors are _____ to the volume of gas passing through them

Flashback arrestors eliminate the risk of an explosion in the ____ and cylenders

a _____ journeyworker is one who knows not only the technical aspects of the piping trades but also the saftey precautions

an approved filter lens, at least number ____ shade or darker, is required for eye protection when operating oxy-fuel equipment

all welding and cutting equipment must be kept clean and absolutly free of greese, oil and other _____ based substances

Reverse flow check valves should be tested every ___ months at a minumum

regulators must be used only with the ____ and ____ for which the are designed

the oxygen torch connection is usually identified by a _____ in the torch body or in the torch handle, oppisite the oxygen valve

reverse flow caused by ______ pressures results in mixed gases in hoses or regulators

do not activate an oxyacetelene system with the regulators pressure _____ screw turned in

Before lighting the torch, ____ of the system is necessart to reduce the possibility of a mixed gas condition in the system

check oxyacetylene equipment for leaks using an _____ oil free leak detection fluid

Using less than required volume of acetylene gas for welding my result in _____ of tip or equipment and can lead to an internal fire or flashback

always match the ____ size to the metal to be cut or welded

If the flame goes out and burns back within a torch, which usually produces a pronounced hissing or squealing noise, immediatly ____ the torch

How many adjustments are on a combination oxyacetylene cutting or welding torch

List the proper order of the 2 steps for exstinguishing the torch flame after cutting or welding