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A program that provides hands-on theoretical knowledge in welding techniques and processes for fabricating and joining metal components efficiently and safely.
Which of the following statments is true if applicable to a charpy vee notch impact test?
What are the initials of the federal organization created to ensure safe and sanitary working conditions for employees?
Safety glasses need to be worn:
8.Do not operate the _________switch while the machine is operating under welding current load. Consequent arcing at the switch will damage the contact surfaces and the flash may burn the person operating the switch.
Which of the following steels is considered non-magnetic?
Safety glasses are not required when welding with the helmet down.
Floors, aisles, and passageways must be kept clear of metal, wood, tools, material, oil and grease spots, and other objects:
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Which fuel gas can be used to cut low-carbon steel?
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
In a semi-automatic welding process, which of the following shielding gas/gas mixtures would normally give the deepest penetration on steel?
Never use acetylene from a cylinder lying on its side because acetone withdrawn with the acetylene could explode.
Federalregulation requires that hazardous information about a product be providedto all users of thatproduct. The form used to provide this information is called a(n)
Always wear suitable protective clothing and _____.
Whether used from a cylinder or from a piped-in supply, natural gas should be used just like any other fuel gas.
In an MMA welding process, which of the following statements is false?
Acetylene cylinders should be protected against extreme temerature rises.
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
In order to maintain production, it is acceptable to operate welding equipment beyond its rated capacity.
Oxygen should be _____ with the valve end up.
What two items on a MIG welder would need to be changed when changing from a 0.9mm mild steel wire electrode to a 1.2mm mild steel wire electrode?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
If you found a tool to be faulty or dangerous, what should you do?
Silicon is added to steel and the covering of MMA electrodes in order to:
Use only solvents and rags to clean cables and hoses.
When not in use, an electrode holder, GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
Eye protection must be used to:
Because they _____, some nonflammable shielding gases such as argon, nitrogen, carbon dioxide, and helium should be stored in well ventilated areas.
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The main usage of the arc air process is:
An MMA electrode classified as E7018 is:
The area identified at position 8 is the?
Store cylinders on _____ flooring only.
Never enter the welding shop without wearing _____.
A Hydrogen controlled MMA electrode can always be recognized by the:
Vaporized metals such as zinc, cadmium, lead, chromium, and beryllium
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hose.
An arc strike (stray flash) on a steel component is regarded by some codes as unacceptable because:
Propane and MPS cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
A fully charged oxygen cylinder containsapproximately 225 psi at 70° F.
10. When welding is done near other ___________, screens should be used to protect their eyes from the arc or reflected glare.
Oxygen cylinders should be protected against excessive _____.
Always check welding areas to make sure they're _____.
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When considering the MIG/MAG welding process which of the following metal transfer modes would be the best suited to the welding of thick plates over 25mm, flat welding position:
What type of respiratory protection is the minimum required when welding?
When considering the tungsten arc welding process what is the purpose of the down-slope (slope -out)control?
Never drape a welding cable over any type of gas cylinder, and NEVER strike an arc on a gas cylinder.
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Never interchange gas and water hoses without purging them first.
Keep cables off metal tables or any grounding surfaces.
Which of the following best describes a semi-automatic welding process?
Acetylene cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
All accidents and injuries, no matter how slight, must be:
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
Oxygen cylinders should never be stored near _____ such as acetylene cylinders.
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
What type of fire extinguisher should be used on electrical fires?
Whichshielding gas or gas mixture is most often used for welding carbon steelwith the short-circuiting transfer mode?
Thebenefit of copper coated electrode wires is
Abutane or propane cigarette lighter is safe around welding equipment as long asit is kept in one's pocket.
Which type of power source characteristic is normally used for manual welding?
Whichof the following is not an advantage of the GMAW process?
Report any breakage or damage to tools, instruments, or machinery:
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
Always keep a safe, _____ work area.
Fuel gas fittings are equipped with left handthreads.
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Toremove the oxide layer from aluminum prior to welding you should
You notice that MMA electrodes with the flux covering removed are being used as filler rods for TIG welding. This should not be allowed because:
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
Fuel gas hoses are usually colored
If an excessive amount of preheat is used when making an oxyfuel cut, the?
While stored, valve protection caps shall be in place and _____.
It is not necessary to wear shaded lenses when oxyfuel cutting, because it uses a flame instead of an electric arc.
Burns are some of the most common and painful injuries in a welding shop.
What type of weld would you do to form a T shape between two pieces of flat bar?
Whattype of fire extinguisher should be used on electrical fires?
Burnsare some of the most common and painful injuries in a welding shop.
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
The shielding gasmost commonly used for welding low carbon steel with GTAW is
You are working with a GTAW welding machine that has a duty cycle of only 10 percent. You know to:
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
The area identified at position 1 is the?
The area identified at position 9 is the?
Flash burn is
In MMA, welding penetration is principally controlled by:
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Since oxygen _____ may react violently in the presence of oil or grease, all oxygen fittings and equipment should be kept free of oil and grease.
Contact lenses can be melted to the cornea of the eye by electric arcs or sparks.
9. The work clamp must be securely attached to the _____________before the start of the welding operation.
Tungsten is used forGTAW electrodes because it has which of the following properties?
Which oxyacetylene flame has an excess of fuel?
Of the following, which is not a requirement for the SMAW process?
When work is finished, when cylinders are moved at any time, or when cylinders are _____, cylinder valves shall be closed
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
Do not wear eye protection with plastic lenses.
Which of the following elements is added to steel to give resistance to creep at elevated service temperatures?
Gas cylinders must be chained or secured at all times.
which of the following welding parameters are the most difficult to control during the welding operation using a manual arc welding process?
Never weld, cut, or grind near _____.
Disconnect and remove electrode holders and cables used for SMAW.
You are working with a GTAW machine that has a 20 percent duty cycle. You estimate the welding job will take at least 30 minutes. You know to:
Gas metal arc welding is also known as ___________________________ welding.
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
Compressed air may be used to clean sawdust off the ground:
What is the ratio between the leg length and design throat thickness on mitre fillet weld with equal leg lengths?
Never use _____ on gas cylinders, regulators, connections, or hoses
During the visual inspection of a fillet weld with even lengths of 15mm.the throat thickness is measured at 8.5mm, what is the fillet welds profile?
Never _____ electrical equipment to a building member or a piece of equipment attached to or part of a building.
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
The selection of a correct lens shade number depends on the
Federal regulation requires that hazardous information about a product be provided to all users of that product. The form used to provide this information is called a(n)
How would you prepare a 25mm low carbon steel flat bar for a butt weld?
The area identified at position 9 is the?
Which of thefollowing electrodes would you select to produce a weld with shallow penetration?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
When using GTAW toweld Aluminum with Alternating Current (AC), the tip of the tungsten electrode should be
A butane or propane cigarette lighter is safe around welding equipment as long as it is kept in one's pocket.
2. Remove all _____________ material such as cotton, oil, gasoline, etc., from the vicinity of welding.
If welding travel speed is doubled but the current and voltage remain the same the heat input will be:
The oxyfuel processuses oxygen and what other types of gases?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Potentialhazards relating to arc welding are
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
The surface of a fatigue crack will:
The area identified at position 2 is the?
What shade lens should be worn or what shade should you set your auto darkening helmet to when welding:
Whichoxyacetylene flame has an excess of fuel?
Pipe bores of some materials must be purged with argon before and during TIG welding in order to:
Shielding is a process used to protect the eyes from welding fume.
What does the number 141 refer to when it is written next to the tail when using symbols?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
The toughness and yield strength of steel is reduced by:
An undesirable property of aluminium oxide residue ,when welding is that it:
You should not use oxygen as a substitute for air.
The maximum safe working pressure for Acetylene is
Which term best describes this weld joint?
Eye protection can be worn over prescription glasses.
InGMAW, insufficient gas flow can cause?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
In a transverse tensile test brittleness would be indicated if:
Fuel gas fittings are equipped with left-hand threads.
While cutting withacetylene, the oxygen working pressure is
The current/polarity used for TIG welding of all materials except aluminum and magnesium is:
Both propane and MPS cylinders should be used and stored in the upright position.
3. Mark all hot metal after welding operations are completed. _____________is commonly used for this purpose.
A typical temperature range for baking basic coated electrodes is:
When considering hydrogen,which of the following welding process would produce the lowest levels in the completed weld (under controlled conditions)?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
7. Welding may produce fumes and gases _________ to health. Avoid breathing these fumes and gases. Use adequate ventilation.
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
The maximum safeworking pressure for Acetylene is
What is the term for the width of the cut produced by any cutting process?
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What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
A burn that causes the skin to blister is referred to as a
A confined space is one that
Whenusing a fire extinguisher to extinguish a fire, it should be
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
For a welding job where there would be a danger that flying sparks might strike a welder around the head and ear area, what could make the situation safer?
Which of the following would be considered a typical heat input reading with the MIG/MAG welding process?
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What should one never use on gas cylinders, regulators, connections and hoses?
In steel the element with the greatest effect on hardness is:
Cylinder inspection requirements are regulated by the Department of__________.
What would be a typical appearance of a ductile fracture surface?
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hoses.
what is the arc energy for the following welding process parameters?
Acetylene can be used with an oxyfuel cutting tip?
5.Welders must wear safety glasses. When using chippers and grinders, use face shields in _________ to safety glasses.
Which of the following units is used to express heat input?
The oxyfuel cutting process uses oxygen and what other types of gases?
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
6. Flameproof aprons or jackets made of leather, fire resistant material, or other suitable material should be worn for ____________ against spatter of molten metal, radiated heat, and sparks.
Areas that have less than ____ cubic feet per welder, or that have ceilings less than 16 feet high, require forced ventilation.
Fuelgas hoses are usually colored
The chemical composition of the weld metal deposited by a C-Mn steel MMA electrode is usually controlled by:
Because of the low amount of ultraviolet light present, it is not necessary to use shaded lenses when oxy-fuel cutting.
A WPS may specify a maximum width for individual weld beads (the weave width) when welding C-Mn steels. if the width is exceeded it may cause:
You notice TIG welding being carried out using MMA electrode striped of flux being used as filler wires .you would certainly report this issue and file a non-conformance report .what would the main reason why?
While flame cutting, the preheat flames (with the cutting jets open) should be?
Skin contact with liquid oxygen can cause frostbite.
1. Remove stub ends immediately after welding; do not leave an electrode ________ with a stub end in it.
You are the only welding inspection on a cross country gas supply pipeline project .which of the following welding /fabrication stages would you consider the most important stage for your closest scrutiny?
Which of the following is the most likely to be considered an essential variable for a welder qualification test?
A # 4 and # 6 shade welding lens used together will have the same protestion as a # 10 shade lens.
How would you prepare heavily rusted mild steel for welding?
When clean-up is called, all scrap metal should be:
Pre heat prior to the welding of a carbon steel but weld:
In all cases, shielding gases should be used and stored in _____ position.
Which of the following current types would you expect to be used for the welding of aluminium with the TIG welding process?
Whilewelding, ventilation should be placed as close to the fume source as practical.
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
Potential hazards related to arc welding are
Which type of electrode is used for stovepipe welding for overland pipeline construction?
Never arc weld or operate electrical equipment while standing _____.
Backflow prevention should be provided for oxygen cylinders
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
ANSI Z49.1 allows oxygen to be used as a substitute for compressed air when necessary.
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
What is an "inert gas" as used in Metal Inert Gas (MIG) Welding?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Excessiveamounts of weld spatter in the nozzle may cause
While welding, ventilation should be placed as close to the fume source as practical.
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Which one of the following electrodes is not suitable for use in all positions?
4. Use safety goggles and a hand shield or helmet equipped with a suitable ________ glass to protect against the intense ultraviolet and infrared rays.
The area identified at position 9 is the?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
Never cut into barrels, drums, or any container that has not been _____, or filled with water.
Long hair, loose fitting clothes, and ties are personal safety hazards around rotating equipment.
When not in use, an electrode holder GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
The term low hydrogen electrode is often used for certain electrodes. What type of covering will they have?
According to AWS 2.4 a weld symbol for the other side is placed:
Duplex stainless steel can be somtimes referred to as:
Nick break and fillet fracture tests are used for assessing:
_____ oxygen cylinders have a double wall construction to help maintain a vacuum, and such cylinders should be handled with extreme care.
One should never operate arc welding equipment while
GMAW is theabbreviation for?
Cylinders shall be moved by tilting and _____ them on their bottom edges.
Valve protection caps _____ be used for lifting cylinders.
What is the purpose of the rectifier in welding sets electrical circuit?
The area identified at position 10 is the?
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
Skin contact with liquid oxygen can causefrostbite.
The maaximum safe working pressure for acetylene is?
The device used to control the pressure on an oxyfuel cutting torch set is called?
One should never operatearc welding equipment while
When welding with the MIG welding process using pure argon as the shielding gas on carbon steel, which of the following problems are likely to occur?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
For a welding job that poses the danger that flying sparks and metal might fall on a welder's legs, what could make the situation safer?
Weld centerline longitudinal cracks in welded butt joints may have resulted from which of the following?
When considering thermal cutting local hardening can be reduced by:
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
Weld spatter during MMA welding is most likely to be caused by:
What treatment is recommended after welding stainless steel?
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
What type of thread and color are fuel gas fittings?
What is the minimum recommended filter shade on a welding helmet to protect your eyes?
Never withdraw acetylene from a cylinder at pressure above 10 psi.
In GMAW, the amperageis controlled by adjusting the
Always _____ fellow students and co-workers.
Because acetylene burns readily, actetylene cylinders should be kept safely away from open flames.
What type of threadand color are fuel gases fittings?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
Which of the following is the only acceptable method for lighting oxyfuel torches?
Three physical welding hazards are _______________________________radiation, infrared radiation, and intense visible light.
What should one never use on gas cylinders, regulators, connections and hoses?
For a given voltage and current setting on an MMA welding plant, when the arc length is shortened , which of them will be most affected?
Which of the following electrode types is classified as BS EN 499?
The arc flash from an arc welding station is clearly visibleto people who have to walk to the shop office.
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
When performing a fillet weld between two pieces of 5mm thick mild steel, what is the recommended size (leg length) of the weld? (when not given a size)
The number 135 is placed at the end of the reference line on a weld symbol according to ISO 2553 what does the number indicate?
Avoid skin exposure to _____ because both gases are cold enough to cause frostbite.
Fuel cylinders must be stored at least ____ feet from combustibles.
Never permit _____ to come in contact with a welding machine or gas cylinder.
Deflection of the arc by magnetic forces that can make welding difficult to control is commonly known as:
For a welding job that poses the danger that flying sparks and metal splattermight strike a welder in the chest or arms, what could make the situation safer?
The three main types of MMA electrodes used for welding C and C-Mn steels are:
Use welding cable covers.
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
Haw can you tell the diffrence between an EN/ISO weld symbol and a BS weld symbol?
Never operate _____ equipment
In an all weld metal tensile test, the original test specimens gauge length of 50mm after testing the gauge increased to 72mm, what is the elongation percentage?
Which of thefollowing is the only acceptable method for lighting oxyfuel torches?
Areas that have less than__________ cubic feet per welder, or that have ceilings less than 16 feethigh, require forced ventilation.
Vaporizedmetals, such as zinc, cadmium, lead, chromium and beryllium
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
A burn that causesthe skin to blister is referred to as a
The inclusion rate an inductance in the welding circuit when using the MIG/MAG welding process is to:
Never drag cables or hoses through dirt or oil, and never pull on a cable to force it over an obstruction.
Which of the following us the best way to identify hydrogen controlled electrodes for the MMA welding process?
A Hot Work Permit
When calibrating a mechanized MAG welding plant, which of the following applies(WFS=wire feed speed)?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
Acetylene has a very narrow flammable range.
Oneshould never cut or weld directly against
Always respect gas cylinders as _____.
Loose clothing, jewelry, and long hair must be securely fastened or removed:
What type of clothing should always be worn when using an OFC torch?
Mechanized OFC is commonly referred to as a track burner?
What are theinitials of the federal organization created to insure safe and sanitary working conditions foremployees?
Make sure water-cooled systems have water turned off when shutting down.
In TIG welding, what is the benefit of a current slope-out device?It reduces...
The area identified at position 8 is the?
The main reason for grinding the capping passes flush is:
What is the term forthe width of the cut produced by any cutting process?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
When not in use, keep cables and hosescoiled free of kinks and properly stored.
Which of the following under typical conditions using the MMA welding process would give the deepest penetration?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
The area identified at position 10 is the?
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
A Fusible insert for TIG welding helps:
Oneshould never enter a welding shop without wearing
Natural gas in cylinders should be handled with the same precautions as all other fuel gas cylinders.
Why shouldn't you wear nylon clothing when welding?
The area identified at position 3 is the?
What is the possible effect of having heat input too low during welding?
A welder is welding and wearing a welding helmet, the right lens shade, and safety glasses, but the welder is in a short sleeved shirt.
Inside of buildings, cylinders shall be stored in a well-protected, well-ventilated, dry location at least _____ feet from highly combustable materials.
One should never enter a welding shop without wearing
Exposure to zinc fumes may cause metal fume fever.
Stick (Arc) Welding uses a coated electrode; what is the purpose of this coating?
Never engage in _____.
Whichof the following is an incorrect statement about an E7018electrode?
As long as they are secure, fuel cylinders can be stored on their side.
Compressed gas cylinders shall be secured in an _____ position at all times
Which weld procedure is safe to perform in wet conditions?
While cutting with acetylene, the oxygen working pressure is?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
A fully charged oxygen cylinder contains approximately 225 psi at 70 degrees F.
The area identified at position 9 is the?
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
Only safety glasses need to be worn when grinding, chipping, cutting, or shaping metal with power tools.
In order to reduce waste and control cost,you should weld until the electrode is
Whichof the following is considered an advantage of the GMAW process?
A qualified Welding Procedure Specification is used to:
Which of the following is correct about safety colors:
Always keep welding equipment in _____.
Which of the following is an advantage of MIG welding?
Which of the following fillet welded tee joints would have the highest resistance to fatigue fractures, assuming material, welding process, filler material to be the same?
For a welding job that will require a welder to be welding out of position in a confined area, what could make the situation safer?
Longhair, loose-fitting clothes, and ties are personal safety hazards aroundrotating equipment.
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
Gas cylinder must be chained or secured at all times.
One should never cut or weld directly against
Oxyacetylene torches can cut?
When using a fire extinguisher to extinguish a fire, it should be
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
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