PREP TEST Flashcards
- When the edges of two pieces of metal are heated until they flow together, the process is called:
a. Oxygen welding
b. Braze welding
c. Fusion welding
d. Fission welding
- When the edges of two pieces of metal are heated until they flow together, the process is called:
c. Fusion welding
- The metal rod or wire that forms part of an electric welding circuit is called a/an:
a. Electrode
b. Weldment
c. Filler rod
d. TIG stick
- The metal rod or wire that forms part of an electric welding circuit is called a/an:
a. Electrode
- Which of the following welding processes uses electrical power?
a. Shielded Metal Arc
b. Gas Metal Arc
c. Gas Tungsten Arc
d. All of the above
- Which of the following welding processes uses electrical power?
D. All of the above
a. Shielded Metal Arc
b. Gas Metal Arc
c. Gas Tungsten Arc
- In which arc welding process is a non-consumable electrode used?
a. GMAW
b. GTAW
c. SMAW
d. OAW
- In which arc welding process is a non-consumable electrode used?
b. GTAW
- Short, temporary weld beads made to hold or align the metals to be joined are known as:
a. Tack welds
b. Boxing fillets
c. Single pass groove welds
d. Stringer beads
- Short, temporary weld beads made to hold or align the metals to be joined are known as:
a. Tack welds
- Which of the following action(s} is/are involved in joint fit up?
a. Spacing
b. Alignment
c. Edge preparation
d. All of the above
- Which of the following action(s} is/are involved in joint fit up?
D. All of the above
a. Spacing
b. Alignment
c. Edge preparation
- The voltage value across the welding arc depends on:
a. Open-circuit current
b. Arc length
c. Circuit polarity
d. Drooper characteristics
- The voltage value across the welding arc depends on:
b. Arc length
- What is the primary purpose of the inert gas used in the GTAW welding process?
a. Cool the torch
b. Reduce electrode consumption
c. Eliminate arc blow
d. Shield the weld area from contamination
- What is the primary purpose of the inert gas used in the GTAW welding process?
d. Shield the weld area from contamination
- What is the purpose of the coated electrodes for SMAW welding?
a. Forms gas shield
b. Produces slag covering
c. Supplies filler metal
d. All of the above
- What is the purpose of the coated electrodes for SMAW welding?
D. All of the above
a. Forms gas shield
b. Produces slag covering
c. Supplies filler metal
- In which arc welding process is a continuous consumable wire electrode used?
a. GMAW
b. GTAW
C. SMAW
d. All of the above
- In which arc welding process is a continuous consumable wire electrode used?
a. GMAW
- When it is possible to reposition the work, welds are easiest and simplest to make in the:
a. Flat position
b. Vertical position
c. Downhand position
d. Overhead position
- When it is possible to reposition the work, welds are easiest and simplest to make in the:
a. Flat position
- Which of the following are out-of-position welds?
a. Flat and horizontal
b. Flat and vertical
c. Vertical and overhead
d. All of the above
- Which of the following are out-of-position welds?
c. Vertical and overhead
- What causes arc blow?
a. Magnetic fields
b. Arc too short
c. Dirty base metal
d. All of the above
- What causes arc blow?
a. Magnetic fields
- Spatter is caused by arc blow, current set too high, excessive arc length or:
a. Using the wrong polarity
b. Welding without a flux
c. Welding in wide gap joints
d. Improper joint grooving
- Spatter is caused by arc blow, current set too high, excessive arc length or:
a. Using the wrong polarity
- Which of the following oxyacetylene flames is recommended when gas welding mild steels?
a. Neutral to slightly carburizing
b. Carburizing
c. Slightly oxidizing
d. Oxidizing, two-to-one gas ratio
- Which of the following oxyacetylene flames is recommended when gas welding mild steels?
a. Neutral to slightly carburizing
- Which of the following characteristics must be considered when welding aluminum?
a. Low melting point
b. High thermal conductivity
c. Oxide coating
d. All of the above
- Which of the following characteristics must be considered when welding aluminum?
d. All of the above
- How many preheat flame inner cones will appear if the cutting tip has seven orifices?
a. 6
b. 5
c. 4
d. 3
- How many preheat flame inner cones will appear if the cutting tip has seven orifices?
a. 6
- In any oxygen cutting operation, one of the major safety hazards is the danger of:
a. Falling objects
b. Sparks and hot metal
c. Electrical shock
d. Burning flux flames
- In any oxygen cutting operation, one of the major safety hazards is the danger of:
b. Sparks and hot metal
- Which of the following metal cutting operations can be achieved with oxygen cutting equipment?
a. Square cuts
b. Bevel cuts
c. Piercing holes
d. All of the above
- Which of the following metal cutting operations can be achieved with oxygen cutting equipment?
D. All of the above
a. Square cuts
b. Bevel cuts
c. Piercing holes
- The primary purpose of a brazing flux is to:
a. Roughen joint surfaces
b. Wash away dirt and oil
c. Remove oxides
d. Provide chemical bonding
- The primary purpose of a brazing flux is to:
c. Remove oxides
- What is the correct name for the metal joining process commonly called silver soldering?
a. Brazing
b. Silver fusion welding
c. Stainless brazing
d. Hard soldering
- What is the correct name for the metal joining process commonly called silver soldering?
a. Brazing
- Which of the following represents a potential hazard while brazing?
a. Fumes
b. Fluxes
c. Bright light
d. All of the above
- Which of the following represents a potential hazard while brazing?
D. All of the above
a. Fumes
b. Fluxes
c. Bright light
- The process of hardening, tempering, and annealing ferrous metals is called:
a. Heat treating
b. Machining
c. Refining
d. Forging
- The process of hardening, tempering, and annealing ferrous metals is called:
a. Heat treating
- Steel is tempered for the purpose of:
a. Making it machinable
b. Aging the steel
c. Reducing brittleness and relieving internal stresses
d. Improving its corrosion resistance and increasing ferrite refinement
- Steel is tempered for the purpose of:
c. Reducing brittleness and relieving internal stresses
- How does an increase in the carbon content affecl the properties of steel?
a. It increases tensile strength
b. It increases hardness
c. It decreases malleability
d. All of the above
- How does an increase in the carbon content affecl the properties of steel?
D. All of the above
a. It increases tensile strength
b. It increases hardness
c. It decreases malleability
- Which of !he following factors determine(s) how the mechanical properties change in the heat-affected zone?
a. How hot the metal gets
b. How long the metal stays hot
c. How fast the metal cools
d. All of the above
- Which of !he following factors determine(s) how the mechanical properties change in the heat-affected zone?
D. All of the above
a. How hot the metal gets
b. How long the metal stays hot
c. How fast the metal cools
- The need to preheat a ferrous metal depends primarily on which of the following?
a. Iron content
b. Aluminum content
c. Carbon content
d. All of the above
- The need to preheat a ferrous metal depends primarily on which of the following?
c. Carbon content
- A low alloy electrode with the designation of E8018-B3L indicates the following:
a. 80,000 psi tensile
b. All position welding
c. Carbon molybdenum alloy
d. Chromium molybdenum alloy
e. “a” and “d”
f. “a” , “b” and “d”
- A low alloy electrode with the designation of E8018-B3L indicates the following:
f. “a” , “b” and “d”
- If you preheated a part but the part does not require post heating, you should cool the part:
a. Slowly under insulating material
b. In a tub of water
c. Using a fan
d. Using shielding gas
- If you preheated a part but the part does not require post heating, you should cool the part:
a. Slowly under insulating material
- Which of the following metals will not attract a magnet?
a. White cast iron
b. Austenitic stainless steel
c. Plain carbon steel
d. Low alloy steel
- Which of the following metals will not attract a magnet?
b. Austenitic stainless steel
- If you get underbead cracking with an E6010 or E6011 electrode, switch to:
a. An E6013 electrode
b. Argon shielding gas
c. A low-hydrogen electrode
d. DCSP current
- If you get underbead cracking with an E6010 or E6011 electrode, switch to:
c. A low-hydrogen electrode
- Which process is best for thin gage carbon steel when you need a fast process with low distortion?
a. GMAW
b. GTAW
C. SMAW
d. SAW
- Which process is best for thin gage carbon steel when you need a fast process with low distortion?
a. GMAW
- The best source of information on how to weld Q & T steels is the manufacturer of the:
a. Welding equipment
b. Steel
c. Electrode
d. Shielding gas
- The best source of information on how to weld Q & T steels is the manufacturer of the:
b. Steel
- Which of the following groups of electrodes are low-hydmgen electmdes?
a. EXX15,EXX16,EXX18
b. EC1, ELH, ENi-C1
c. E70S-1, E70S-G, E700-1
d. EWP, EWTh-1, EWTh-2
- Which of the following groups of electrodes are low-hydmgen electmdes?
a. EXX15,EXX16,EXX18
- The science and technology of extracting metal from their ores, refining them and preparing them for use is a definition of:
a. Atomic Fusion Welding
b. Metallurgy
c. Alloy Properties
d. All of the above
e. None of the above
- The science and technology of extracting metal from their ores, refining them and preparing them for use is a definition of:
b. Metallurgy
- Which of these metals will attract a magnet?
a. Aluminum
b. Copper
c. Magnesium
d. Nickel
- Which of these metals will attract a magnet?
d. Nickel
- The system of numbers which indicates pipe wall thickness is called:
a. Pipe wall thickness numbers
b. The OD system
c. The ID system
d. Pipe schedule numbers
- The system of numbers which indicates pipe wall thickness is called:
d. Pipe schedule numbers
- After welding, a fusible backup ring:
a. Is removed
b. Is peened
c. Becomes part of the weld
d. Is thrown away
- After welding, a fusible backup ring:
c. Becomes part of the weld
- The flux in shielded metal arc welding:
a. Protects your eyes against the arc flash
b. Contains spatter and sparks
c. Prevents contamination of molten metal
d. All of the above
- The flux in shielded metal arc welding:
c. Prevents contamination of molten metal
- In SMAW, the arc voltage while welding normally ranges between:
a. 0 and 15 V
b. 15 and 40 V
c. 50 and 100 V
d. 100 and 200 V
- In SMAW, the arc voltage while welding normally ranges between:
b. 15 and 40 V
- A welding machine with a duty cycle rating of eighty percent (80%) can deliver its rated maximum welding current for a total of:
a. 8 min. before idling 2 min. lo cool
b. 16 min. before idling 4 min. to cool
c. 48 min. before idling 12 min. to cool
d. 80 min. before idling 20 min. to cool
- A welding machine with a duty cycle rating of eighty percent (80%) can deliver its rated maximum welding current for a total of:
a. 8 min. before idling 2 min. lo cool
- The work piece lead is always connected to the:
a. · Bare end of the electrode
b. Base metal
c. Negative terminal
d. Positive terminal
- The work piece lead is always connected to the:
b. Base metal
- An E6013 covered electrode provides a weld deposit that has a minimum tensile strength of:
a. 1300 psi
b. 13,000 psi
c. 6000 psi
d. 60,000 psi
- An E6013 covered electrode provides a weld deposit that has a minimum tensile strength of:
d. 60,000 psi
- The current range for a given covered electrode depends mainly on:
a. Its diameter
b. Its length
c. The base metal to be welded
d. How long it was in storage
- The current range for a given covered electrode depends mainly on:
a. Its diameter
- Because of their high deposition rate, you should use iron powder electrodes primarily for:
a. Vertical welds
b. Flat or horizontal fillet welds
c. Overhead welds
d. All of the above
- Because of their high deposition rate, you should use iron powder electrodes primarily for:
b. Flat or horizontal fillet welds
- Unlike the low hydrogen covered electrodes, those with cellulose coverings need a certain amount of:
a. Moisture
b. Filler metal
c. Static suppressors
d. Oil and flux
- Unlike the low hydrogen covered electrodes, those with cellulose coverings need a certain amount of:
a. Moisture
- Unlike SMAW, the GMAW process:
a. Is less expensive
b. Produces no slag
c. Uses non-consumable electrodes
d. Uses no shielding gas
- Unlike SMAW, the GMAW process:
b. Produces no slag
- A disadvantage of GMAW is that strong drafts or winds can:
a. Blow out the arc
b. Change the electrode feed rate
c. Blow the shielding gas away
d. Make the gun hard to handle
- A disadvantage of GMAW is that strong drafts or winds can:
c. Blow the shielding gas away
- Your choice of shielding gas for GMAW depends upon:
a. Desired arc and metal transfer
b. Required penetration and fusion
c. Shape of the finished weld
d. All of the above
- Your choice of shielding gas for GMAW depends upon:
D. All of the above
a. Desired arc and metal transfer
b. Required penetration and fusion
c. Shape of the finished weld
- Your main concern when selecting electrode wire for GMAW is that the wire has the same:
a. Diameter as the feeder
b. Composition as the base metal
c. Length as the gun
d. All of the above
- Your main concern when selecting electrode wire for GMAW is that the wire has the same:
b. Composition as the base metal
- When you press the trigger on a GMAW gun, shielding gas flows out of the nozzle and:
a. Water circulates for cooling on water cooled torches
b. The electrode wire is energized
c. The electrode wire starts feeding
d. All of the above
- When you press the trigger on a GMAW gun, shielding gas flows out of the nozzle and:
D. All of the above
a. Water circulates for cooling on water cooled torches
b. The electrode wire is energized
c. The electrode wire starts feeding
- In GTAW, the electrode is:
a. Tungsten
b. Non-consumable
c. Held in the torch by a collet
d. All of the above
- In GTAW, the electrode is:
D. All of the above
a. Tungsten
b. Non-consumable
c. Held in the torch by a collet