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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.
Never drag cables or hoses through dirt or oil, and never pull on a cable to force it over an obstruction.
Whether used from a cylinder or from a piped-in supply, natural gas should be used just like any other fuel gas.
What is the indication at position 8 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.
A confined space is one that
Compressed air may be used to clean sawdust off the ground:
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?
A typical temperature range for baking basic coated electrodes is:
One should never cut or weld directly against
In steel the element with the greatest effect on hardness is:
Whenusing a fire extinguisher to extinguish a fire, it should be
A Hot Work Permit
Because acetylene burns readily, actetylene cylinders should be kept safely away from open flames.
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?
Acetylene cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
Make sure water-cooled systems have water turned off when shutting down.
The term low hydrogen electrode is often used for certain electrodes. What type of covering will they have?
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
Backflow prevention should be provided for oxygen cylinders
Whichof the following is an incorrect statement about an E7018electrode?
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:
The selection of a correct lens shade number depends on the
Tungsten is used forGTAW electrodes because it has which of the following properties?
2. Remove all _____________ material such as cotton, oil, gasoline, etc., from the vicinity of welding.
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)
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What type of weld would you do to form a T shape between two pieces of flat bar?
Which of the following elements is added to steel to give resistance to creep at elevated service temperatures?
The three main types of MMA electrodes used for welding C and C-Mn steels are:
Because of the low amount of ultraviolet light present, it is not necessary to use shaded lenses when oxy-fuel cutting.
Acetylene has a very narrow flammable range.
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
While cutting withacetylene, the oxygen working pressure is
What type of thread and color are fuel gas fittings?
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?
Thebenefit of copper coated electrode wires is
Burnsare some of the most common and painful injuries in a welding shop.
While cutting with acetylene, the oxygen working pressure is?
Which of the following is an advantage of MIG welding?
Which of the following would be considered a typical heat input reading with the MIG/MAG welding process?
Which of the following electrode types is classified as BS EN 499?
While welding, ventilation should be placed as close to the fume source as practical.
Skin contact with liquid oxygen can causefrostbite.
Areas that have less than__________ cubic feet per welder, or that have ceilings less than 16 feethigh, require forced ventilation.
Cylinders shall be moved by tilting and _____ them on their bottom edges.
What type of clothing should always be worn when using an OFC torch?
Never interchange gas and water hoses without purging them first.
The oxyfuel cutting process uses oxygen and what other types of gases?
Three physical welding hazards are _______________________________radiation, infrared radiation, and intense visible light.
What does the number 141 refer to when it is written next to the tail when using symbols?
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?
Valve protection caps _____ be used for lifting cylinders.
Toremove the oxide layer from aluminum prior to welding you should
Whichoxyacetylene flame has an excess of fuel?
9. The work clamp must be securely attached to the _____________before the start of the welding operation.
Never withdraw acetylene from a cylinder at pressure above 10 psi.
The area identified at position 9 is the?
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What type of fire extinguisher should be used on electrical fires?
The area identified at position 2 is the?
Fuel gas fittings are equipped with left handthreads.
In order to maintain production, it is acceptable to operate welding equipment beyond its rated capacity.
Burns are some of the most common and painful injuries in a welding shop.
Whichshielding gas or gas mixture is most often used for welding carbon steelwith the short-circuiting transfer mode?
Both propane and MPS cylinders should be used and stored in the upright position.
Stick (Arc) Welding uses a coated electrode; what is the purpose of this coating?
The oxyfuel processuses oxygen and what other types of gases?
Compressed gas cylinders shall be secured in an _____ position at all times
Acetylene can be used with an oxyfuel cutting tip?
The maximum safe working pressure for Acetylene is
Fuel gas fittings are equipped with left-hand threads.
Which oxyacetylene flame has an excess of fuel?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
A Fusible insert for TIG welding helps:
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.
Never enter the welding shop without wearing _____.
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/124933835.jpg
Avoid skin exposure to _____ because both gases are cold enough to cause frostbite.
In all cases, shielding gases should be used and stored in _____ position.
How would you prepare heavily rusted mild steel for welding?
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Potentialhazards relating to arc welding are
The shielding gasmost commonly used for welding low carbon steel with GTAW is
When not in use, an electrode holder GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
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:
Whichof the following is considered an advantage of the GMAW process?
Never engage in _____.
What is the minimum recommended filter shade on a welding helmet to protect your eyes?
In a transverse tensile test brittleness would be indicated if:
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
When work is finished, when cylinders are moved at any time, or when cylinders are _____, cylinder valves shall be closed
Always keep a safe, _____ work area.
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
When calibrating a mechanized MAG welding plant, which of the following applies(WFS=wire feed speed)?
Which of the following is the most likely to be considered an essential variable for a welder qualification test?
When considering thermal cutting local hardening can be reduced by:
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/466428505.jpg
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
Fuel cylinders must be stored at least ____ feet from combustibles.
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/1219564688.jpg
Oxyacetylene torches can cut?
Whilewelding, ventilation should be placed as close to the fume source as practical.
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What is the purpose of the rectifier in welding sets electrical circuit?
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 3 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?
A burn that causesthe skin to blister is referred to as a
What should one never use on gas cylinders, regulators, connections and hoses?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
One should never operatearc welding equipment while
The toughness and yield strength of steel is reduced by:
While flame cutting, the preheat flames (with the cutting jets open) should be?
Duplex stainless steel can be somtimes referred to as:
Skin contact with liquid oxygen can cause frostbite.
The area identified at position 8 is the?
Floors, aisles, and passageways must be kept clear of metal, wood, tools, material, oil and grease spots, and other objects:
Propane and MPS cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
Vaporizedmetals, such as zinc, cadmium, lead, chromium and beryllium
When using GTAW toweld Aluminum with Alternating Current (AC), the tip of the tungsten electrode should be
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
You should not use oxygen as a substitute for air.
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Oxygen cylinders should be protected against excessive _____.
The area identified at position 3 is the?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
The surface of a fatigue crack will:
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Whattype of fire extinguisher should be used on electrical fires?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
As long as they are secure, fuel cylinders can be stored on their side.
According to AWS 2.4 a weld symbol for the other side is placed:
What shade lens should be worn or what shade should you set your auto darkening helmet to when welding:
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)
Never use _____ on gas cylinders, regulators, connections, or hoses
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
Which of the following under typical conditions using the MMA welding process would give the deepest penetration?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
The maximum safeworking pressure for Acetylene is
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?
Always _____ fellow students and co-workers.
Vaporized metals such as zinc, cadmium, lead, chromium, and beryllium
In an MMA welding process, which of the following statements is false?
The area identified at position 1 is the?
What is the indication at position 4 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?
4. Use safety goggles and a hand shield or helmet equipped with a suitable ________ glass to protect against the intense ultraviolet and infrared rays.
GMAW is theabbreviation for?
Exposure to zinc fumes may cause metal fume fever.
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Mechanized OFC is commonly referred to as a track burner?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Because they _____, some nonflammable shielding gases such as argon, nitrogen, carbon dioxide, and helium should be stored in well ventilated areas.
Eye protection can be worn over prescription glasses.
Never _____ electrical equipment to a building member or a piece of equipment attached to or part of a building.
Use welding cable covers.
Which type of electrode is used for stovepipe welding for overland pipeline construction?
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.
Which of thefollowing is the only acceptable method for lighting oxyfuel torches?
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
If an excessive amount of preheat is used when making an oxyfuel cut, the?
3. Mark all hot metal after welding operations are completed. _____________is commonly used for this purpose.
Always keep welding equipment in _____.
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?
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
Cylinder inspection requirements are regulated by the Department of__________.
The main usage of the arc air process is:
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 9 is the?
Safety glasses need to be worn:
Which type of power source characteristic is normally used for manual welding?
Haw can you tell the diffrence between an EN/ISO weld symbol and a BS weld symbol?
What is the term for the width of the cut produced by any cutting process?
Which of the following units is used to express heat input?
Nick break and fillet fracture tests are used for assessing:
What is the indication at position 1 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:
Of the following, which is not a requirement for the SMAW process?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
One should never enter a welding shop without wearing
In GMAW, the amperageis controlled by adjusting the
In TIG welding, what is the benefit of a current slope-out device?It reduces...
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)
It is not necessary to wear shaded lenses when oxyfuel cutting, because it uses a flame instead of an electric arc.
What is the indication at position 6 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?
What type of threadand color are fuel gases fittings?
5.Welders must wear safety glasses. When using chippers and grinders, use face shields in _________ to safety glasses.
What are the initials of the federal organization created to ensure safe and sanitary working conditions for employees?
Inside of buildings, cylinders shall be stored in a well-protected, well-ventilated, dry location at least _____ feet from highly combustable materials.
10. When welding is done near other ___________, screens should be used to protect their eyes from the arc or reflected glare.
Which of the following is correct about safety colors:
Fuelgas hoses are usually colored
An undesirable property of aluminium oxide residue ,when welding is that it:
The inclusion rate an inductance in the welding circuit when using the MIG/MAG welding process is to:
Fuel gas hoses are usually colored
When clean-up is called, all scrap metal should be:
which of the following welding parameters are the most difficult to control during the welding operation using a manual arc welding process?
The chemical composition of the weld metal deposited by a C-Mn steel MMA electrode is usually controlled by:
Longhair, loose-fitting clothes, and ties are personal safety hazards aroundrotating equipment.
A fully charged oxygen cylinder containsapproximately 225 psi at 70° F.
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?
A burn that causes the skin to blister is referred to as a
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?
Pipe bores of some materials must be purged with argon before and during TIG welding in order to:
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
Always check welding areas to make sure they're _____.
A Hydrogen controlled MMA electrode can always be recognized by the:
Long hair, loose fitting clothes, and ties are personal safety hazards around rotating equipment.
Which of thefollowing electrodes would you select to produce a weld with shallow penetration?
Never permit _____ to come in contact with a welding machine or gas cylinder.
An arc strike (stray flash) on a steel component is regarded by some codes as unacceptable because:
Never drape a welding cable over any type of gas cylinder, and NEVER strike an arc on a gas cylinder.
Weld centerline longitudinal cracks in welded butt joints may have resulted from which of the following?
What is the indication at position 8 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?
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?
Store cylinders on _____ flooring only.
How would you prepare a 25mm low carbon steel flat bar for a butt weld?
Gas cylinder must be chained or secured at all times.
What is the indication at position 2 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?
Always respect gas cylinders as _____.
Areas that have less than ____ cubic feet per welder, or that have ceilings less than 16 feet high, require forced ventilation.
Never use acetylene from a cylinder lying on its side because acetone withdrawn with the acetylene could explode.
An MMA electrode classified as E7018 is:
Abutane or propane cigarette lighter is safe around welding equipment as long asit is kept in one's pocket.
Do not wear eye protection with plastic lenses.
What type of respiratory protection is the minimum required when welding?
Never arc weld or operate electrical equipment while standing _____.
Oxygen cylinders should never be stored near _____ such as acetylene cylinders.
Deflection of the arc by magnetic forces that can make welding difficult to control is commonly known as:
A fully charged oxygen cylinder contains approximately 225 psi at 70 degrees F.
InGMAW, insufficient gas flow can cause?
The main reason for grinding the capping passes flush is:
Report any breakage or damage to tools, instruments, or machinery:
The area identified at position 10 is the?
Never cut into barrels, drums, or any container that has not been _____, or filled with water.
The device used to control the pressure on an oxyfuel cutting torch set is called?
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hose.
Flash burn is
A butane or propane cigarette lighter is safe around welding equipment as long as it is kept in one's pocket.
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:
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?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Excessiveamounts of weld spatter in the nozzle may cause
The current/polarity used for TIG welding of all materials except aluminum and magnesium is:
If you found a tool to be faulty or dangerous, what should you do?
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 9 is the?
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 9 and would you accept or reject the indication to the given acceptance levels?
Which of the following us the best way to identify hydrogen controlled electrodes for the MMA welding process?
In MMA, welding penetration is principally controlled by:
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?
Which of the following best describes a semi-automatic welding process?
Why shouldn't you wear nylon clothing when welding?
7. Welding may produce fumes and gases _________ to health. Avoid breathing these fumes and gases. Use adequate ventilation.
Which one of the following electrodes is not suitable for use in all positions?
Gas cylinders must be chained or secured at all times.
All accidents and injuries, no matter how slight, must be:
You are working with a GTAW welding machine that has a duty cycle of only 10 percent. You know to:
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?
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hoses.
When using a fire extinguisher to extinguish a fire, it should be
A qualified Welding Procedure Specification is used to:
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?
Use only solvents and rags to clean cables and hoses.
Shielding is a process used to protect the eyes from welding fume.
Oxygen should be _____ with the valve end up.
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 an "inert gas" as used in Metal Inert Gas (MIG) Welding?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
If welding travel speed is doubled but the current and voltage remain the same the heat input will be:
Silicon is added to steel and the covering of MMA electrodes in order to:
Never weld, cut, or grind near _____.
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
While stored, valve protection caps shall be in place and _____.
Which weld procedure is safe to perform in wet conditions?
What is the possible effect of having heat input too low during welding?
One should never operate arc welding equipment while
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
What would be a typical appearance of a ductile fracture surface?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
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?
Which of the following steels is considered non-magnetic?
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 5 and would you accept or reject the indication to the given acceptance levels?
In order to reduce waste and control cost,you should weld until the electrode is
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
What is the term forthe width of the cut produced by any cutting process?
Whichof the following is not an advantage of the GMAW process?
Acetylene cylinders should be protected against extreme temerature rises.
Disconnect and remove electrode holders and cables used for SMAW.
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.
A # 4 and # 6 shade welding lens used together will have the same protestion as a # 10 shade lens.
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
Oneshould never enter a welding shop without wearing
The area identified at position 9 is the?
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:
Only safety glasses need to be worn when grinding, chipping, cutting, or shaping metal with power tools.
Which fuel gas can be used to cut low-carbon steel?
Which of the following statments is true if applicable to a charpy vee notch impact test?
Which term best describes this weld joint?
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?
Never operate _____ equipment
What should one never use on gas cylinders, regulators, connections and hoses?
Natural gas in cylinders should be handled with the same precautions as all other fuel gas cylinders.
Potential hazards related to arc welding are
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.
What are theinitials of the federal organization created to insure safe and sanitary working conditions foremployees?
1. Remove stub ends immediately after welding; do not leave an electrode ________ with a stub end in it.
When considering the tungsten arc welding process what is the purpose of the down-slope (slope -out)control?
What is the ratio between the leg length and design throat thickness on mitre fillet weld with equal leg lengths?
Keep cables off metal tables or any grounding surfaces.
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Eye protection must be used to:
Gas metal arc welding is also known as ___________________________ welding.
Which of the following current types would you expect to be used for the welding of aluminium with the TIG welding process?
What is the indication at position 7 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?
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.
_____ oxygen cylinders have a double wall construction to help maintain a vacuum, and such cylinders should be handled with extreme care.
When considering hydrogen,which of the following welding process would produce the lowest levels in the completed weld (under controlled conditions)?
Oneshould never cut or weld directly against
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
The area identified at position 8 is the?
Loose clothing, jewelry, and long hair must be securely fastened or removed:
Always wear suitable protective clothing and _____.
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
Pre heat prior to the welding of a carbon steel but weld:
The maaximum safe working pressure for acetylene is?
Contact lenses can be melted to the cornea of the eye by electric arcs or sparks.
Safety glasses are not required when welding with the helmet down.
what is the arc energy for the following welding process parameters?
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