AIT Readiness Flashcards
The welder trade in Alberta consists of how many periods of technical training?
Currently the apprentice must cover three terms of eight weeks or 240 hours 3x.
What does it mean when a trade is called a compulsory trade?
You must be a registered apprentice or a journeyman to work in the trade.
In order to become an apprentice in Alberta you must enter into a ____________ agreement with your employer.
Contractual.
Who is responsible to ensure the apprenticeship record book is kept up-to-date?
The apprentice.
A cover letter should accompany your resume when applying for a job. The purpose of the cover letter is to:
Show why you are a good fit for the job and showcase yourself.
According to the Occupational Health & Safety act of Alberta a rolling scaffold with a minimum base dimension of 3 feet must not exceed ___ feet in height.
Three times the minimum base, so 9 feet.
According to the Occupational Health & Safety act of Alberta an employer must ensure that hot work is not performed:
On combustible tanks or areas that are not properly steamed or cleaned.
According to the Occupational Health & Safety act of Alberta employer must ensure that acetylene tanks are secured:
In an upright or vertical position.
Safety screen must be used to protect other workers from ______ & _______ when you were welding.
Arc rays and sparks.
According to the Occupational Health & Safety act of Alberta the __________ ensures that the worksite is kept clean.
Employer.
In compliance with WHMIS, material safety data sheets must be reviewed and updated every ___ years.
Three years.
According to the WHMIS system, material safety data sheets must be kept:
The general public and readily available.
Your boss has requested that you perform a weld on a gas tank that is still half-full. You should:
Refuse the job. You as a worker have the right to refuse unsafe work.
Before entering the vessel to perform a weld, it is critical that a welder always checks the vessel for:
Oxygen levels and explosive levels.
The container that has contain flammable materials must be properly cleaned before you can weld it.
To properly clean the container, you can:
Steam out the container, or use a caustic bath or an inert gas, then sniff for explosive levels.
The proper order for placement of lens on the front of the welding helmet starting from the outside and working inward is:
1) clear plastic or glass lens
2) gasket
3) filter plate
4) clear plastic or glass
5) plastic only in the helmet
____________ type of clothing is considered safe for a welder to wear when welding.
Nylon, polyester, or rayon.
On a welding helmet, shade number ___ is recommended for medium to high amperage SMAW.
12.
__________ rays could cause burning of the eyeballs.
Ultraviolet.
Exposure to _________ rays when inspecting welds could cause cancer or damage to body tissues.
Gamma rays or x-rays.
Exposure to these rays when welding could cause retina damage.
Infrared rays.
A welder working for eight hours in a shop where the noise level is over ____ decibels must wear hearing protection.
85 dB.
Gloves made of ______ should be used for welding.
Leather.
Which metal can be a carcinogen when inhaled as a fume?
Cadmium.
What risk increases the welder is welding with wet gloves?
Electrical shock.
The ventilation system in a welding shop should have the air completely changed at least __ times every hour.
Four.
The main reason for using a wraparound device is to:
Mark a straight line around pipe.
Welding pliers have a multifunction design that is specifically applicable to use when completing:
GMAW, FCAW, or SAW processes.
The length of the file is determined by measuring from:
Heel to the point of the file.
If you wanted a smooth finish, you would use what kind of file?
A single cut file.
What kind of wrench is sized the same on both ends?
A combination wrench.
When using an adjustable wrench, the wrench must be positioned so force acts:
Against the solid jaw.
The peen of a hammer is used:
For removing stress created by welding or riveting work.
Bench grinder should have wheel guards that cover at least how much of the wheel?
66.6% or 2/3 of the disc.
The tool rest on a bench grinder should be adjusted so that there is no more than ___ millimeters between the grinding wheel and the rest.
3 mm or 1/8 of an inch.
The term “dressing” when referring to a grinder wheel means that you are:
Reshaping the stone trueness, also for removing the glaze to recover sharpness.
Using the portable grinder to perform a circus grind you should hold the disc out of flat angle of approximately how many degrees to the surface you were grinding?
Approximately 10°.
The term “grit” refers to grinding wheels:
Abrasiveness; how much grit per square inch.
A portable hand drill will be rated according to the size of its:
Chuck.
The main parts of a drillbit are the:
Shank, body and point.
The drill point angle of the twist bit is manufactured at how many degrees?
118°.
An example of a dimensional weld fault is:
Warping.
Weld faults are grouped into three general classes; they are:
Defective properties, dimensional and structural.
The term “notching effect”can be described as:
Any change in the cross-section of the material.
The term convex city used when referring to a weld normally refers to:
A bulging profile.
Excessive concavity is a condition that is often associated with:
Fillet welds.
An oxyfuel outfit must have hoses that are made of:
Cotton, neoprene or rubber.
Oil and grease must be kept away from oxygen because it:
Can become explosive.
If acetylene gas is to be stored at high-pressure it is dissolved in:
Acetone.
Regulators are classified as to their:
Service and type.
And acetylene cylinder has a safety device called a _____________ that will melt in case of a fire allowing gas to escape thereby preventing an explosion.
A fusible plug.
A _________ tube is used to operate the regulator gauge indicator needle.
Bourdon.
A carbonizing flame is said to have too much:
Acetylene.
The “R” in the AWS classification R65 stands for:
Rod.
The only process acceptable for joining __________ cast iron is braze welding.
Malleable.
A braze weld cannot stand up to a fusion weld when the product is:
Subjected to intense heat.
When referring to welding, a tack is used to:
Hold the components in place.
A correctly performed cut should have draglines that are:
Straight.
When attempting to cut bolts off flush with the surface of a plate you would use a _________ cutting tip.
Rivet.
Metal should be heated until it reaches its ________________ before flame cutting begins.
Kindling point.
A number of worksites have instituted a policy where no employee is allowed to lift more than:
23 kg or 50 pounds.
A higher ________ setting results in a wider, flatter weld bead with shallower penetration when using a wire feeder system.
Voltage.
When using a push system of wire drive it is recommended that it does not exceed a distance of _____ meters.
4.5 m or 15 feet.
When selecting a filler wire for use with the GMAW process, the main factor you should consider is:
That the composition will match the base metal.
When added in small amounts to an inert gas like argon, oxygen will:
Increase puddle fluidity.
Is shielding gas that is primarily used for welding mild steel is:
Carbon dioxide.
The weld lead on a machine that is DCEP would be connected to the ______ post.
Positive.
The liner used on GMAW system should be cleaned by:
Blowing it out with clean compressed air.
When using an FCAW electrode with a classification of E70T-2, the T means:
Tubular wire.
Basic type core wires use a ____________ mode of weld transfer.
Globular.
Most SAW electrode wires are:
Solid and rigid.
And electrode extension of ___ times the diameter of the electrode is a good starting point for SAW.
Eight.
With a 60 cycle AC power source, the current changes direction __times per second.
120 times per second.
With constant current type welding machines, what voltage range is normally needed to initiate an arc?
50 to 100 Volts.
A #3 welding cable is physically larger than a #4 welding cable. True or false?
True.
A 1/O welding cable is physically larger then a #1 welding cable. True or false?
True.
When using a SMAW welding machine, a normal arc length is ___________ the diameter of the core wire.
Equal to.
Using the AWS classification system, the letter E in E6010 stands for:
Electrode.
A term used to describe joint alignment is:
Hi – low.
