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