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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.
What is the minimum recommended filter shade on a welding helmet to protect your eyes?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
InGMAW, insufficient gas flow can cause?
Abutane or propane cigarette lighter is safe around welding equipment as long asit is kept in one's pocket.
Weld spatter during MMA welding is most likely to be caused by:
Long hair, loose fitting clothes, and ties are personal safety hazards around rotating equipment.
A burn that causes the skin to blister is referred to as a
Which of the following statments is true if applicable to a charpy vee notch impact test?
Backflow prevention should be provided for oxygen cylinders
How would you prepare heavily rusted mild steel for welding?
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?
When using GTAW toweld Aluminum with Alternating Current (AC), the tip of the tungsten electrode should be
Nick break and fillet fracture tests are used for assessing:
Oxyacetylene torches can cut?
GMAW is theabbreviation for?
An arc strike (stray flash) on a steel component is regarded by some codes as unacceptable because:
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
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?
The area identified at position 8 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:
One should never operatearc welding equipment while
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
A typical temperature range for baking basic coated electrodes is:
What is the indication at position 4 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?
When not in use, an electrode holder GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
The maximum safe working pressure for Acetylene is
The area identified at position 9 is the?
What is the indication at position 7 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?
What is the indication at position 7 and would you accept or reject the indication to the given acceptance levels?
What treatment is recommended after welding stainless steel?
Which of the following units is used to express heat input?
Which of the following is an advantage of MIG welding?
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 8 and would you accept or reject the indication to the given acceptance levels?
In TIG welding, what is the benefit of a current slope-out device?It reduces...
One should never cut or weld directly against
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?
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
Valve protection caps _____ be used for lifting cylinders.
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)
A fully charged oxygen cylinder containsapproximately 225 psi at 70° F.
Contact lenses can be melted to the cornea of the eye by electric arcs or sparks.
Because acetylene burns readily, actetylene cylinders should be kept safely away from open flames.
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:
In MMA, welding penetration is principally controlled by:
Never use _____ on gas cylinders, regulators, connections, or hoses
Skin contact with liquid oxygen can causefrostbite.
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
5.Welders must wear safety glasses. When using chippers and grinders, use face shields in _________ to safety glasses.
You should not use oxygen as a substitute for air.
2. Remove all _____________ material such as cotton, oil, gasoline, etc., from the vicinity of welding.
Flash burn is
When considering hydrogen,which of the following welding process would produce the lowest levels in the completed weld (under controlled conditions)?
Which type of electrode is used for stovepipe welding for overland pipeline construction?
When not in use, an electrode holder, GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
What type of weld would you do to form a T shape between two pieces of flat bar?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
The area identified at position 1 is the?
Weld centerline longitudinal cracks in welded butt joints may have resulted from which of the following?
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
The chemical composition of the weld metal deposited by a C-Mn steel MMA electrode is usually controlled by:
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.
Mechanized OFC is commonly referred to as a track burner?
What is the indication at position 2 and would you accept or reject the indication to the given acceptance levels?
Natural gas in cylinders should be handled with the same precautions as all other fuel gas cylinders.
Never cut into barrels, drums, or any container that has not been _____, or filled with water.
Pre heat prior to the welding of a carbon steel but weld:
Whichshielding gas or gas mixture is most often used for welding carbon steelwith the short-circuiting transfer mode?
Which of the following under typical conditions using the MMA welding process would give the deepest penetration?
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?
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?
What is the indication at position 6 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?
Which of the following current types would you expect to be used for the welding of aluminium with the TIG welding process?
Burns are some of the most common and painful injuries in a welding shop.
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 7 and would you accept or reject the indication to the given acceptance levels?
_____ oxygen cylinders have a double wall construction to help maintain a vacuum, and such cylinders should be handled with extreme care.
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?
Fuel gas hoses are usually colored
Use only solvents and rags to clean cables and hoses.
Burnsare some of the most common and painful injuries in a welding shop.
Safety glasses need to be worn:
Eye protection must be used to:
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)
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.
What is the indication at position 5 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?
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)
All accidents and injuries, no matter how slight, must be:
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?
ANSI Z49.1 allows oxygen to be used as a substitute for compressed air when necessary.
While stored, valve protection caps shall be in place and _____.
In order to maintain production, it is acceptable to operate welding equipment beyond its rated capacity.
Whenusing a fire extinguisher to extinguish a fire, it should be
Potential hazards related to arc welding are
The surface of a fatigue crack will:
What shade lens should be worn or what shade should you set your auto darkening helmet to when welding:
Whichof the following is an incorrect statement about an E7018electrode?
In GMAW, the amperageis controlled by adjusting the
Tungsten is used forGTAW electrodes because it has which of the following properties?
What is the possible effect of having heat input too low during welding?
What is the indication at position 7 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.
Whattype of fire extinguisher should be used on electrical fires?
Fuel gas fittings are equipped with left-hand threads.
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/1219564688.jpg
If an excessive amount of preheat is used when making an oxyfuel cut, the?
The arc flash from an arc welding station is clearly visibleto people who have to walk to the shop office.
A # 4 and # 6 shade welding lens used together will have the same protestion as a # 10 shade lens.
What is the ratio between the leg length and design throat thickness on mitre fillet weld with equal leg lengths?
Whichof the following is not an advantage of the GMAW process?
Never operate _____ equipment
What are the initials of the federal organization created to ensure safe and sanitary working conditions for employees?
When using a fire extinguisher to extinguish a fire, it should be
Which of thefollowing electrodes would you select to produce a weld with shallow penetration?
Exposure to zinc fumes may cause metal fume fever.
Of the following, which is not a requirement for the SMAW process?
You are working with a GTAW welding machine that has a duty cycle of only 10 percent. You know to:
Disconnect and remove electrode holders and cables used for SMAW.
What is the indication at position 6 and would you accept or reject the indication to the given acceptance levels?
While welding, ventilation should be placed as close to the fume source as practical.
Cylinder inspection requirements are regulated by the Department of__________.
Oxygen cylinders should be protected against excessive _____.
Potentialhazards relating to arc welding are
What is the purpose of the rectifier in welding sets electrical circuit?
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 6 and would you accept or reject the indication to the given acceptance levels?
Which of the following elements is added to steel to give resistance to creep at elevated service temperatures?
While cutting with acetylene, the oxygen working pressure is?
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/124933835.jpg
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
Avoid skin exposure to _____ because both gases are cold enough to cause frostbite.
Oneshould never cut or weld directly against
What does the number 141 refer to when it is written next to the tail when using symbols?
Which of the following electrode types is classified as BS EN 499?
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hoses.
The device used to control the pressure on an oxyfuel cutting torch set is called?
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 3 and would you accept or reject the indication to the given acceptance levels?
Inside of buildings, cylinders shall be stored in a well-protected, well-ventilated, dry location at least _____ feet from highly combustable materials.
1. Remove stub ends immediately after welding; do not leave an electrode ________ with a stub end in it.
Cylinders shall be moved by tilting and _____ them on their bottom edges.
The area identified at position 8 is the?
In order to reduce waste and control cost,you should weld until the electrode is
What type of clothing should always be worn when using an OFC torch?
Duplex stainless steel can be somtimes referred to as:
Always keep a safe, _____ work area.
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
A Fusible insert for TIG welding helps:
What type of thread and color are fuel gas fittings?
Make sure water-cooled systems have water turned off when shutting down.
Which one of the following electrodes is not suitable for use in all positions?
Oneshould never enter a welding shop without wearing
When considering thermal cutting local hardening can be reduced by:
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?
Gas metal arc welding is also known as ___________________________ welding.
Propane and MPS cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
Which type of power source characteristic is normally used for manual welding?
A qualified Welding Procedure Specification is used 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 welding parameters are the most difficult to control during the welding operation using a manual arc welding process?
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?
Why shouldn't you wear nylon clothing when welding?
One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
A burn that causesthe skin to blister is referred to as a
Never drape a welding cable over any type of gas cylinder, and NEVER strike an arc on a gas cylinder.
It is not necessary to wear shaded lenses when oxyfuel cutting, because it uses a flame instead of an electric arc.
Use welding cable covers.
Oxygen cylinders should never be stored near _____ such as acetylene cylinders.
Vaporized metals such as zinc, cadmium, lead, chromium, and beryllium
Never _____ electrical equipment to a building member or a piece of equipment attached to or part of a building.
If welding travel speed is doubled but the current and voltage remain the same the heat input will be:
The three main types of MMA electrodes used for welding C and C-Mn steels are:
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
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?
Acetylene cylinders should be protected against extreme temerature rises.
In steel the element with the greatest effect on hardness is:
Acetylene can be used with an oxyfuel cutting tip?
A Hydrogen controlled MMA electrode can always be recognized by the:
Deflection of the arc by magnetic forces that can make welding difficult to control is commonly known as:
What is the indication at position 8 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.
Skin contact with liquid oxygen can cause frostbite.
What is the indication at position 8 and would you accept or reject the indication to the given acceptance levels?
The maaximum safe working pressure for acetylene is?
Whilewelding, ventilation should be placed as close to the fume source as practical.
What type of threadand color are fuel gases fittings?
Store cylinders on _____ flooring only.
The shielding gasmost commonly used for welding low carbon steel with GTAW is
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?
The area identified at position 10 is the?
The oxyfuel cutting process uses oxygen and what other types of gases?
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?
The toughness and yield strength of steel is reduced by:
10. When welding is done near other ___________, screens should be used to protect their eyes from the arc or reflected glare.
An undesirable property of aluminium oxide residue ,when welding is that it:
Never weld, cut, or grind near _____.
what is the arc energy for the following welding process parameters?
Three physical welding hazards are _______________________________radiation, infrared radiation, and intense visible light.
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
Vaporizedmetals, such as zinc, cadmium, lead, chromium and beryllium
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
In a transverse tensile test brittleness would be indicated if:
What is the indication at position 9 and would you accept or reject the indication to the given acceptance levels?
Acetylene cylinders should be stored in clean, dry, well ventilated locations free from other combustables.
Silicon is added to steel and the covering of MMA electrodes in order to:
Never enter the welding shop without wearing _____.
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
While flame cutting, the preheat flames (with the cutting jets open) should be?
The main reason for grinding the capping passes flush is:
Whichoxyacetylene flame has an excess of fuel?
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.
Areas that have less than__________ cubic feet per welder, or that have ceilings less than 16 feethigh, require forced ventilation.
Compressed gas cylinders shall be secured in an _____ position at all times
What is the indication at position 2 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?
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?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Gas cylinders must be chained or secured at all times.
Which fuel gas can be used to cut low-carbon steel?
Report any breakage or damage to tools, instruments, or machinery:
Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hose.
What is the indication at position 4 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 main usage of the arc air process is:
The area identified at position 3 is the?
Which weld procedure is safe to perform in wet conditions?
What is the indication at position 10 and would you accept or reject the indication to the given acceptance levels?
Areas that have less than ____ cubic feet per welder, or that have ceilings less than 16 feet high, require forced ventilation.
Which of the following would be considered a typical heat input reading with the MIG/MAG welding process?
Pipe bores of some materials must be purged with argon before and during TIG welding in order to:
Compressed air may be used to clean sawdust off the ground:
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 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?
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:
3. Mark all hot metal after welding operations are completed. _____________is commonly used for this purpose.
When work is finished, when cylinders are moved at any time, or when cylinders are _____, cylinder valves shall be closed
Which of the following best describes a semi-automatic welding process?
When clean-up is called, all scrap metal should be:
Safety glasses are not required when welding with the helmet down.
Both propane and MPS cylinders should be used and stored in the upright position.
One should never enter a welding shop without wearing
Which of the following is correct about safety colors:
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Never withdraw acetylene from a cylinder at pressure above 10 psi.
The current/polarity used for TIG welding of all materials except aluminum and magnesium is:
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.
One should never operate arc welding equipment while
Floors, aisles, and passageways must be kept clear of metal, wood, tools, material, oil and grease spots, and other objects:
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?
What is the indication at position 4 and would you accept or reject the indication to the given acceptance levels?
What would be a typical appearance of a ductile fracture surface?
Never use acetylene from a cylinder lying on its side because acetone withdrawn with the acetylene could explode.
What are theinitials of the federal organization created to insure safe and sanitary working conditions foremployees?
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
An MMA electrode classified as E7018 is:
What should one never use on gas cylinders, regulators, connections and hoses?
Gas cylinder must be chained or secured at all times.
What is the indication at position 3 and would you accept or reject the indication to the given acceptance levels?
Fuel cylinders must be stored at least ____ feet from combustibles.
When calibrating a mechanized MAG welding plant, which of the following applies(WFS=wire feed speed)?
9. The work clamp must be securely attached to the _____________before the start of the welding operation.
The area identified at position 9 is the?
Always wear suitable protective clothing and _____.
The maximum safeworking pressure for Acetylene is
The area identified at position 9 is the?
Stick (Arc) Welding uses a coated electrode; what is the purpose of this coating?
4. Use safety goggles and a hand shield or helmet equipped with a suitable ________ glass to protect against the intense ultraviolet and infrared rays.
Do not wear eye protection with plastic lenses.
Which term best describes this weld joint?
When considering the tungsten arc welding process what is the purpose of the down-slope (slope -out)control?
Fuelgas hoses are usually colored
A confined space is one that
In all cases, shielding gases should be used and stored in _____ position.
How would you prepare a 25mm low carbon steel flat bar for a butt weld?
Toremove the oxide layer from aluminum prior to welding you should
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?
Fuel gas fittings are equipped with left handthreads.
Acetylene has a very narrow flammable range.
Always keep welding equipment in _____.
Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
The selection of a correct lens shade number depends on the
Which of the following is the most likely to be considered an essential variable for a welder qualification test?
Excessiveamounts of weld spatter in the nozzle may cause
Never arc weld or operate electrical equipment while standing _____.
The inclusion rate an inductance in the welding circuit when using the MIG/MAG welding process is to:
When not in use, keep cables and hosescoiled free of kinks and properly stored.
In a semi-automatic welding process, which of the following shielding gas/gas mixtures would normally give the deepest penetration on steel?
What is the indication at position 7 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?
The area identified at position 10 is the?
The term low hydrogen electrode is often used for certain electrodes. What type of covering will they have?
Thebenefit of copper coated electrode wires is
Which oxyacetylene flame has an excess of fuel?
Always _____ fellow students and co-workers.
What is the indication at position 8 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?
Always check welding areas to make sure they're _____.
Image: https://www.proprofs.com/quiz-school/upload/yuiupload/466428505.jpg
What type of fire extinguisher should be used on electrical fires?
Whether used from a cylinder or from a piped-in supply, natural gas should be used just like any other fuel gas.
According to AWS 2.4 a weld symbol for the other side is placed:
Which of thefollowing is the only acceptable method for lighting oxyfuel torches?
Loose clothing, jewelry, and long hair must be securely fastened or removed:
Always respect gas cylinders as _____.
The oxyfuel processuses oxygen and what other types of gases?
Keep cables off metal tables or any grounding surfaces.
In an MMA welding process, which of the following statements is false?
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?
What is the indication at position 1 and would you accept or reject the indication to the given acceptance levels?
What is an "inert gas" as used in Metal Inert Gas (MIG) Welding?
What is the term for the width of the cut produced by any cutting process?
What type of respiratory protection is the minimum required when welding?
What is the indication at position 5 and would you accept or reject the indication to the given acceptance levels?
Because of the low amount of ultraviolet light present, it is not necessary to use shaded lenses when oxy-fuel cutting.
A butane or propane cigarette lighter is safe around welding equipment as long as it is kept in one's pocket.
Whichof the following is considered an advantage of the GMAW process?
Eye protection can be worn over prescription glasses.
Never engage in _____.
Oxygen should be _____ with the valve end up.
A Hot Work Permit
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?
Longhair, loose-fitting clothes, and ties are personal safety hazards aroundrotating equipment.
Never permit _____ to come in contact with a welding machine or gas cylinder.
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 1 and would you accept or reject the indication to the given acceptance levels?
Never interchange gas and water hoses without purging them first.
Shielding is a process used to protect the eyes from welding fume.
Which of the following steels is considered non-magnetic?
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:
The area identified at position 2 is the?
As long as they are secure, fuel cylinders can be stored on their side.
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