WorksheetsROP Fall Final 2025
Total questions: 169
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
1. Accidents are more likely for employees in the age group _________.
a)
a. 18 and under
b)
b. 19 to 25
c)
c. 26 to 45
d)
d. 60 and over
2.
2. Body protection while welding is best provided by wearing _________.
a)
a. pants and cuffs
b)
b. polyester clothing
c)
c. cotton clothing
d)
d. loose-fitting shirts
3.
3. Which of the following is a correct statement?
a)
a. it is not necessary to wear other eye protection if you are wearing a welding helmet.
b)
b. the same shade of lens can be used for almost all welding and cutting tasks.
c)
c. the recommended shade for SMAW welding is 10 - 14.
d)
d. safety glasses with side shields should not be used because they block peripheral vision.
4.
4. The potentially toxic coating that is used in galvanized metal is _________.
a)
a. zinc
b)
b. chromium
c)
c. barium
d)
d. Manganese
5.
5. To make sure your respirator provides proper protection, you must _______ each time you wear it.
a)
a. perform a positive fit check
b)
b. perform both positive and negative fit checks
c)
c. perform a negative fit check
d)
d. tighten the respirator head and neck straps as much as possible
6.
6. A confined space is one that ________.
a)
a. has a flammable atmosphere
b)
b. has unrestricted means of entry or exit
c)
c. is designed for continuous employee occupancy
d)
d. is only large enough that an employee can bodily enter and perform tasks
7.
7. A space with an oxygen level below _______ percent is considered oxygen deficient.
a)
a. 19.5
b)
b. 20
c)
c. 21.5
d)
d. 23.5
8.
8. A good area safety practice is ________.
a)
a. welding near an open window
b)
b. welding over wooden floors
c)
c. to use cardboard to deflect welding/grinding sparks away from others
d)
d. writing HOT on hot metal before leaving it unattended
9.
9. A hot work permit ________.
a)
a. authorizes the performance of work potentially posing a fire hazard
b)
b. promotes development of standard fire safety guidelines
c)
c. records unsafe conditions at a job site
d)
d. helps the manager keep records of hazardous spaces
10.
10. Cutting operations should never be performed without a _______ in the area.
a)
a. bucket of sand
b)
b. bucket of water
c)
c. fire watch
d)
d. fire hose
11.
11. Before performing oxyfuel cutting on a cleaned container, fill the container with an inert gas or _______ and position the container to displace as much air as possible from inside the container.
a)
a. air
b)
b. sand
c)
c. water
d)
d. Solvent
12.
12. Because of instability, the acetylene gas used in oxyfuel cutting must remain at pressures less than ______ psi when in its gaseous form.
a)
a. 10
b)
b. 15
c)
c. 25
d)
d. 35
13.
13. Acetylene cylinders in use should be opened no more than _______ turn(s).
a)
a. ½
b)
b. ¾
c)
c. 1 ½
d)
d. 2
14.
14. The potential for electric shock ________.
a)
a. decreases when the skin is damp
b)
b. remains the same when the skin is damp
c)
c. increases when the skin is damp
d)
d. decreases when the skin is cut
15.
15. An MSDS is a form used to ________.
a)
a. file a worker’s compensation claim with an insurance company
b)
b. list the contents, hazards, and precautions that pertain to a chemical or material
c)
c. record unsafe conditions that exist at a job site
d)
d. recommend changes to your employer’s safety program
16.
16. For gas welding, either the face shield or the lenses of the safety glasses must be an approved shade _______ filter.
a)
a. 2
b)
b. 3 to 6
c)
c. 7 to 8
d)
d. 9 to 10
17.
17. Most worksite fires caused by welding or cutting are started by _______.
a)
a. improper disposal of dross
b)
b. escape of acetylene
c)
c. welding torches
d)
d. cutting torches
18.
18. When mixed with air or oxygen, ________ will explode at much lower concentrations than any other fuel.
a)
a. propylene
b)
b. propane
c)
c. acetylene
d)
d. MAPP
19.
19. When pure oxygen is combined with fuel gases, the pure oxygen produces ________.
a)
a. argon
b)
b. hydrogen
c)
c. a colorless, odorless, tasteless gas
d)
d. a high-temperature flame needed for flame cutting
20.
20. Oxygen has a strong garlic-like odor so leaks can be readily detected.
a)
a. True
b)
b. False
21.
21. The smallest standard oxygen cylinder holds about _______ cubic feet of oxygen.
a)
a. 40
b)
b. 65
c)
c. 80
d)
d. 85
22.
22. Acetylene gas must be withdrawn from a cylinder at an hourly rate that does not exceed _______ of the cylinder capacity.
a)
a. ½
b)
b. 1/3
c)
c. 1/5
d)
d. 1/7
23.
23. Of the fuel gases listed, _______ burns with the hottest flame.
a)
a. propane
b)
b. propylene
c)
c. butane
d)
d. MAPP
24.
24. The amount of liquefied gas remaining in a cylinder is determined by the _______ of the cylinder.
a)
a. color
b)
b. heat
c)
c. weight
d)
d. Pressure
25.
25. The regulators used on fuel gas cylinders usually have red marking and usually have ______ on all connections.
a)
a. right-hand threads
b)
b. left-hand threads
c)
c. metric threads
d)
d. safety latches
26.
26. The attachment on the top of a fuel gas cylinder that allows the gas to flow only in one direction is called a _______.
a)
a. single-stage regulator
b)
b. two-stage regulator
c)
c. flashback arrestor
d)
d. check valve
27.
27. The cutting tips used with liquefied fuel gases must have at least _______ preheat holes.
a)
a. four
b)
b. five
c)
c. six
d)
d. Seven
28.
28. When lifting oxyfuel cutting cylinders, always use a(n) _______.
a)
a. sling cable
b)
b. sling strap
c)
c. cylinder cage
d)
d. Electromagnet
29.
29. If an acetylene cylinder is found lying on its side, you should _______ before using it.
a)
a. contact the supplier for instructions
b)
b. release a small amount to the air
c)
c. stand it upright and wait at least one hour
d)
d. roll it around to stabilize the gas
30.
30. Most fuel gas fittings have _______ threads.
a)
a. left-hand
b)
b. Right-hand
31.
31. The first step in selecting a cutting tip is to _______.
a)
a. Inspect the cutting tip sealing surfaces and orifices for damage
b)
b. Determine the size of cutting tip to use
c)
c. Determine the kind of gas being used
d)
d. Identify the thickness of the material to be cut
32.
32. Before opening cylinder valves, verify that the adjusting screws on the oxygen and fuel gas regulator are _______.
a)
a. tight
b)
b. fully clockwise
c)
c. loose
d)
d. fully counterclockwise
33.
33. When a cutting flame has excess of fuel, the flame is called a(n) _______ flame.
a)
a. cold
b)
b. neutral
c)
c. oxidizing
d)
d. Carburizing
34.
34. When disassembling oxyfuel equipment, verify that all pressure gauges read _______ before starting to take equipment apart.
a)
a. 21.0
b)
b. 0
c)
c. within 0.3 of 0
d)
d. within 0.2 of 0
35.
35. When inspecting a completed cut made with oxyfuel cutting equipment, the drag lines of the cut should be near ________ and not very pronounced.
a)
a. 30 degrees
b)
b. 45 degrees
c)
c. horizontal
d)
d. Vertical
36.
36. Corrosion of metals occurs when they are exposed to ________.
a)
a. shielding gas
b)
b. welding
c)
c. air
d)
d. Polishing
37.
37. A type of steel made from copper-alloyed steel that protects itself from corrosion is _______ steel.
a)
a. spring
b)
b. weathering
c)
c. mild
d)
d. Stainless
38.
38. The most common method for cleaning contaminated surfaces is ________ cleaning.
a)
a. chemical
b)
b. ultrasonic
c)
c. thermal
d)
d. Mechanical
39.
39. A pneumatic tool that uses a number of blunt steel needles to remove surface corrosion is called a ________.
a)
a. weld flux chipper
b)
b. needle scaler
c)
c. needle nose chipper
d)
d. corrosion needler
40.
40. The factors that must be considered when selecting a joint for a particular application include load considerations, environment, materials, cost, and _______.
a)
a. processes
b)
b. personnel qualifications
c)
c. preheat
d)
d. personal protective equipment
41.
41. The five basic types of joints are butt, lap, corner, T-joint, and ________.
a)
a. chamfer
b)
b. edge
c)
c. bevel
d)
d. Square
42.
42. If a type of weld requires a specific root opening, it is shown on the ________.
a)
a. title block
b)
b. welding drawing
c)
c. sectional view
d)
d. elevation view
43.
43. Lap joints, T-joints, or corner joints are welded using ________ welds.
a)
a. surface
b)
b. butt
c)
c. fillet
d)
d. Spot
44.
44. Before using flux-coated, fiberglass-coated, or ceramic tape as a backer, the welder must check the ________.
a)
a. specification
b)
b. WPS
c)
c. field drawings
d)
d. revision block
45.
45. The written set of specifications for producing sound welds is a(n) ________.
a)
a. WPS
b)
b. PQR
c)
c. WRS
d)
d. SWS
46.
46. Grinding wheels that are used improperly or are poorly selected can cause injury due to ________.
a)
a. radiation
b)
b. reversing
c)
c. shattering
d)
d. Air-locking
47.
47. Before a pipe can be welded to a fitting or other connection, its edge usually must be ________.
a)
a. burnished
b)
b. hardened
c)
c. ground to fit
d)
d. cut square and beveled
48.
48. Nibblers must have access to an _______ to be used.
a)
a. inverter
b)
b. excess pipe flange
c)
c. edge
d)
d. Axis
49.
49. Thermal preparation of joints includes the use of oxyfuel, plasma arc, and _______ cutting.
a)
a. electric
b)
b. low heat
c)
c. continuous-arc
d)
d. carbon arc
50.
50. The best cutting process for gouging seams, cracks, or making repair welds is the ________ cutting process.
a)
a. plasma arc
b)
b. carbon steel
c)
c. grinding
d)
d. carbon arc
51.
51. The specifications for acceptable ferrous (Part A) and nonferrous (Part B) base metals are contained in Section _______ of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (BPVC).
a)
a. I
b)
b. II
c)
c. V
d)
d. IX
52.
52. The minimum requirements for the design, materials, fabrication, erection, testing, and inspections of various types of piping systems are covered by ________.
a)
a. ASME B31
b)
b. AWS D1.1
c)
c. AWS B1.11
d)
d. API Std. 1104
53.
53. The code that covers the requirements for welding structures or components under the surface of water is _________.
a)
a. ASME B31
b)
b. AWS D1.1
c)
c. AWS D3.6M
d)
d. API 1104
54.
54. The presence of voids or empty spots in the weld metal is called ________.
a)
a. porosity
b)
b. inclusion
c)
c. defect
d)
d. Discontinuity
55.
55. The type of porosity in which the weld exhibits a localized grouping of pores is known as ________.
a)
a. uniformly scattered porosity
b)
b. clustered porosity
c)
c. linear porosity
d)
d. piping porosity
56.
59. One method of reducing weld metal cracking is to use _________ electrodes.
a)
a. fast-fill
b)
b. fill-freeze
c)
c. low-hydrogen
d)
d. Fast-freeze
57.
60. The test in which a vacuum box is used is done to check for ________.
a)
a. inclusions
b)
b. porosity
c)
c. leaks
d)
d. incomplete fusion
58.
62. A typical American Welding Society (AWS) welder qualification test is a V-grove weld with metal backing in the 3G and 4G positions using an ________ electrode.
a)
a. F4
b)
b. F3
c)
c. F2
d)
d. F1
59.
63. An ASME welder qualification test that qualifies a welder to make all types of welds is to weld pipe in the ________ position.
a)
a. 1F
b)
b. 6G
c)
c. 4F
d)
d. 4G
60.
64. To properly prepare a test specimen, it is important to ________.
a)
a. water-quench the specimen while it is hot
b)
b. grind it widthwise to produce a notch effect
c)
c. remove any face or root reinforcement from the weldment
d)
d. make sure the edges are sharp
61.
65. If you are directed to perform a weld for which you are not qualified, you should __________.
a)
a. bypass the chain of command
b)
b. report directly to the safety engineer as soon as possible
c)
c. try to resolve the matter with your immediate supervisor
d)
d. perform the weld to the best of your ability
62.
66. SMAW is often referred to as _________.
a)
a. AC welding
b)
b. stick welding
c)
c. gap welding
d)
d. resistive welding
63.
67. When working at heights, make sure to inspect your fall protection equipment items each time you use them, and make sure that they are current and up-to-date.
a)
a. True
b)
b. False
64.
68. During SMAW welding, current jumps across the ________ from the tip of the electrode to the surface of the workpiece.
a)
a. workpiece clamp
b)
b. gap
c)
c. electrode holder
d)
d. molten metal
65.
69. In AC current, the number of cycles completed in one second is called the ________.
a)
a. polarity
b)
b. travel
c)
c. frequency
d)
d. current value
66.
70. Electrical current that has no frequency is known as _________.
a)
a. DC current
b)
b. AC current
c)
c. AC voltage
d)
d. 120VAC
67.
71. ________ only applies to DC current.
a)
a. Frequency
b)
b. Polarity
c)
c. Amperage
d)
d. Current flow
68.
72. The voltage in a welding machine is reduced or stepped down by a(n) _________.
a)
a. limiter
b)
b. generator
c)
c. alternator
d)
d. Transformer
69.
73. The voltage that is present when the welding machine is on but no arc is present is ________.
a)
a. open-circuit
b)
b. operating
70.
1. The standard for safety in welding is _____.
a)
a. API1104, Standard for Welding Pipelines and Related Facilities
b)
b. ANSIZ49.1-2005, Safety in Welding, Cutting, and Allied Processes
c)
c. American Welding Society Structural Welding Code D1.1
d)
d. ASME Boiler and Pressure Vessel Code, Section II
71.
2. A charcoal filter in an air-purifying respirator should be changed _____.
a)
a. When the wearer detects any taste or smell
b)
b. Three days after the filter cartridge is installed
c)
c. After every eight-hour work shift
d)
d. After 24 hours of total use
72.
3. All of the following fabrics may be worn around sources of sparks or high heat except _____.
a)
a. Leather
b)
b. Polyester
c)
c. Cotton
d)
d. Wool
73.
4. In addition to protecting other workers from exposure to electric arcs, welding screens _____.
a)
a. Prevent drafts from interfering with the stability of the arc
b)
b. Identify the limits of a welder’s work area
c)
c. Reduce glare on the work piece
d)
d. Support work pieces for overhead welding
74.
5. Which of the following is a correct statement regarding personal protective equipment?
a)
a. The minimum protective shade of eye protection for SMAW welding is 4
b)
b. If tennis shoes are worn while welding, spats must also be worn
c)
c. Disposable earplugs are the most common form of hearing protection used in welding
d)
d. Leathers are only needed during cutting operations
75.
6. The risk of flash burn can be reduced by wearing _____.
a)
a. A welding cap with the visor turned back
b)
b. Long sleeves and buttoning the shirt all the way to the collar
c)
c. Safety glasses with a properly tinted lens
d)
d. Natural materials like wool or cotton
76.
7. An exhaust hood should be located _____ the source of welding fumes.
a)
a. Four to six inches away from
b)
b. Anywhere above
c)
c. There to four feet away from
d)
d. As close as possible to
77.
8. Foot and vehicle traffic in the workplace is _____.
a)
a. Not usually a factor when determining hazards
b)
b. Of particular concern for workers over eighteen
c)
c. Regulated by the AHJ
d)
d. More hazardous at starting and quitting times
78.
9. The proper selection of a respirator is based on the _____.
a)
a. Contaminant present and its concentration
b)
b. Wearer’s personal preference
c)
c. User’s size and level of activity
d)
d. Amount of time it will be worn
79.
10. An oxygen level of _____ percent by volume is considered normal and safe to work in.
a)
a. Less than 6
b)
b. More than 23.5
c)
c. 19.5 to 21.5
d)
d. 6 to 16
80.
11. Compared to a full leather welding jacket, a welding cape is _____.
a)
a. Cooler
b)
b. More durable
c)
c. More protective
d)
d. Warmer
81.
12. A document issued by the site manager that allows a welder to perform operations with a potential risk of fire is a _____.
a)
a. Welding procedure specification
b)
b. Welder qualification record
c)
c. Confined space entry permit
d)
d. Hot work permit
82.
13. The first thing to be done at any job site before work begins is to _____.
a)
a. Request a hot work permit
b)
b. Organize the tools and equipment to be used
c)
c. Request a confined space entry permit
d)
d. Conduct an evaluation of the hazards that exist
83.
14. The storage area for oxygen cylinders must be 20 feet away from fuel gas cylinders or be _____.
a)
a. Equipped with an automatic fire suppression system
b)
b. An enclosed space with a separate ventilation source
c)
c. Separated by a wall five feet high with a half-hour burn rating
d)
d. Enclosed on three sides by reinforced concrete walls
84.
15. If acetylene is withdrawn from a cylinder at a rate of more than one-seventh of the volume per hour, there is a risk of _____.
a)
a. The acetylene igniting as it passes through the regulator
b)
b. Frost forming on the regulator and rendering it ineffective
c)
c. Dropping the cylinder pressure below 15 psi, causing it to explode
d)
d. Liquid acetone being drawn into the hoses and gumming up the check valves and regulator
85.
16. The outcome of an electric shock is determined by the _____.
a)
a. Amount of current that passes through the body
b)
b. Type of electrode being used
c)
c. Polarity of the power source : DCEP, DCEN, or AC
d)
d. Length of time that electricity passes through the body
86.
17. Detailed information regarding the possible hazards associated with a product is contained in a _____.
a)
a. Welding procedure specification (WPS)
b)
b. Material safety data sheet (MSDS)
c)
c. Confined space entry permit (CSEP
d)
d. Product qualification record (PQR)
87.
18. When lifting a heavy object, _____.
a)
a. Lean to the side and lift the object
b)
b. Distribute the weight of the object evenly between both hands
c)
c. Kneel down and lift with your arms
d)
d. Bend at the waist, grasp the object firmly, stand up straight, and hold object close to chest
88.
19. The most common welding accident is _____.
a)
a. Electrocution
b)
b. Falls from heights
c)
c. Burns to the hands and arms
d)
d. Arc burns to the eyes
89.
20. Most welding environment fires occur during _____.
a)
a. Gas metal arc welding
b)
b. Shielded metal arc welding
c)
c. Oxyfuel gas welding or cutting
d)
d. Gas tungsten arc welding
90.
21. In the top and bottom of the acetylene cylinder are safety plugs with a melting point of _____.
a)
a. 330°F
b)
b. 220°F
c)
c. 300°F
d)
d. 260°F
91.
22. Methylacetylene propadiene (MAPP®) gas is a combination of acetylene and _____.
a)
a. Propane
b)
b. Natural gas
c)
c. Propylene
d)
d. Oxygen
92.
23. The special cutting tip for cutting off bolt heads and nuts is called a _____ tip.
a)
a. Rivet cutting
b)
b. Piercing
c)
c. Gouging
d)
d. Flue cutting
93.
24. When an empty cylinder has been removed from the workstation and stored, it must be marked MT (or the acceptable site notation for indicating an empty cylinder) _____.
a)
a. Near its top
b)
b. On its bottom
c)
c. On its lower third
d)
d. On the middle of its side
94.
25. Oxygen cylinders must be tested _____.
a)
a. Every ten years
b)
b. Every five years
c)
c. Every three years
d)
d. Annually
95.
26. As a reminder that the regulator on a cylinder has left-handed threads, a V-notch is sometimes cut around the _____.
a)
a. Cylinder
b)
b. Threads
c)
c. Regulator
d)
d. Nut
96.
27. The process of cutting a groove into a surface is known as _____.
a)
a. Washing
b)
b. Short-cutting
c)
c. Brushing
d)
d. Gouging
97.
28. The fuel gas regulator's high-pressure gauge usually reads up to _____ psi.
a)
a. 300
b)
b. 100
c)
c. 400
d)
d. 200
98.
29. When acetylene gas is combined with oxygen during oxyfuel cutting activities, the acetylene causes the flame to burn _____.
a)
a. Hotter than with oxygen combined with propane
b)
b. Hotter than 5,500°F
c)
c. Up to 4,500°F
d)
d. At a lower temperature than oxygen alone
99.
30. A track burner is a device used to _____.
a)
a. Cut or bevel a straight line
b)
b. Weld pipe
c)
c. Cut holes in plate
d)
d. Cut railroad tracks
100.
31. When welding, wear high-top safety boots at least _____ tall.
a)
a. 8”
b)
b. 5”
c)
c. 4”
d)
d. 6”
101.
32. For long-term cutting of materials containing cadmium or mercury, always wear an approved _____.
a)
a. HEPA-rated filter
b)
b. Metal-fume filter
c)
c. Supplied-air respirator
d)
d. Standard respirator
102.
33. When used in oxyfuel cutting, propylene mixtures burn at temperatures around _____.
a)
a. 2,511°F
b)
b. 3,563°F
c)
c. 5,193°F
d)
d. 4,580°F
103.
34. If a high volume of gas is removed from a liquefied fuel gas cylinder, the pressure _____.
a)
a. Rises and the temperature of the cylinder also rises
b)
b. Drops and the temperature of the cylinder rises
c)
c. Drops and the temperature of the cylinder also drops
d)
d. Rises and the temperature of the cylinder drops
104.
35. The regulators used on oxygen cylinders are often painted green and always have _____ on all connections.
a)
a. Safety latches
b)
b. Metric threads
c)
c. Right-hand threads
d)
d. Left-hand threads
105.
36. Safety fuse plugs in the top and bottom of an acetylene cylinder are designed to _____.
a)
a. Prevent the withdrawal of acetone
b)
b. Release acetone from the cylinder
c)
c. Prevent the release of acetylene gas
d)
d. Release acetylene gas in the event of a fire
106.
37. The hoses used to carry oxygen from the cylinder to the torch are usually _____.
a)
a. Red
b)
b. Orange
c)
c. Green
d)
d. Blue
107.
38. On a combination cutting torch, the primary fuel gas and oxygen valves are located on the _____.
a)
a. Cutting head
b)
b. Torch handle
c)
c. Cutting attachment
d)
d. Cutting oxygen lever
108.
39. The selection of a cutting torch tip depends on the thickness of the base metal being cut and the _____ being used.
a)
a. Kind of fuel gas
b)
b. Size of the oxygen cylinder
c)
c. Size of the torch
d)
d. Size of fuel hoses
109.
40. Before cutting or welding containers, purge them with a flow of _____.
a)
a. Fuel gas
b)
b. Oxygen
c)
c. Acetone
d)
d. Inert gas
110.
41. An oxyfuel cutting torch should be checked for leaks _____.
a)
a. After 1,000 hours of use
b)
b. Once a week
c)
c. Each time it is used
d)
d. Every month
111.
42. A cutting flame that has an excess of oxygen is called a(n) _____ flame.
a)
a. Carburizing
b)
b. Oxygen neutral
c)
c. Oxidizing
d)
d. Cold
112.
43. When a cutting job is completed and the oxyfuel equipment is no longer needed, the first step in shutting down the oxyfuel cutting equipment is to _____.
a)
a. Close the fuel gas cylinder valve
b)
b. Open the oxygen torch valve
c)
c. Open the fuel gas torch valve
d)
d. Back out the fuel gas and oxygen regulator adjusting screws
113.
44. Combining pure oxygen with a burning material causes a fire to _____.
a)
a. Flare and burn out of control
b)
b. Extinguish
c)
c. Burn more slowly
d)
d. Die down and then flare up
114.
45. When cutting thin steel with oxyfuel cutting equipment, hold the torch so that the tip is pointing in the direction the torch is traveling at a _____ degree angle.
a)
a. 30° to 35°
b)
b. 10° to 12°
c)
c. 21° to 25°
d)
d. 15° to 20°
115.
46. The most common defect caused by surface contamination is _____.
a)
a. Scale
b)
b. Porosity
c)
c. Layering
d)
d. brittleness
116.
47. Preparing a joint with oxyfuel, plasma arc, or carbon arc cutting processes is known as _____ joint preparation.
a)
a. Thermal
b)
b. Automatic
c)
c. Metallurgical
d)
d. Electrical
117.
48. Which of the following is a correct statement with regard to cleaning of base metals before welding?
a)
a. All metals should be cleaned before welding
b)
b. Metals only need to be cleaned if they show signs of corrosion
c)
c. It is not necessary to clean new metal
d)
d. Metals only need to be cleaned if they are rusty
118.
49. Wire brushing will not remove _____.
a)
a. Surface corrosion
b)
b. Pain
c)
c. Tight corrosion
d)
d. Light to medium corrosion
119.
50. Mechanical joint preparation is _____ than thermal methods of joint preparation.
a)
a. More likely to result in oxide deposition
b)
b. Faster
c)
c. Less precise
d)
d. Slower
120.
51. A detailed listing of the rules and principles that apply to specific welded products is a _____.
a)
a. Welding blueprint
b)
b. Site quality standard
c)
c. Welding code
d)
d. Welding procedure specification
121.
52. Compared to a single V-groove weld, a double V-groove weld _____.
a)
a. Requires half the weld metal
b)
b. Has equal distortion
c)
c. Requires twice the weld metal
d)
d. Has greater distortion
122.
55. Large areas of surface corrosion are best removed by _____.
a)
a. Die grinders
b)
b. Weld flux chippers
c)
c. Angle grinders and end grinders
d)
d. Needle scalers
123.
56. The backing strip for welding mild steel up to 3/4" thick should be _____ thick by _____ wide.
a)
a. 2”; 3”
b)
b. 3/8”; 3”
c)
c. 1”; 5”
d)
d. 1/4"; 1"
124.
57. The groove angle for welding open root welds on plate should be _____ degrees.
a)
a. 80
b)
b. 120
c)
c. 10
d)
d. 60
125.
58. Surfacing welds are used to _____.
a)
a. Make plug welds
b)
b. Build up surfaces
c)
c. Make groove welds
d)
d. Weld stainless steel
126.
59. Always try to position the weldment so that welding is performed in the _____ position.
a)
a. 4G
b)
b. Overhead
c)
c. Vertical
d)
d. Flat
127.
60. Plug and slot welds are used with _____ joints.
a)
a. Butt
b)
b. V-groove
c)
c. Groove
d)
d. Lap
128.
61. When lifting heavy objects that tend to spin or swing, always remember to use _____.
a)
a. Tag lines
b)
b. A crane
c)
c. Extra people
d)
d. A fork lift
129.
62. Engine generators should be shut down if no welding is to take place for more than _____ minutes.
a)
a. 15
b)
b. 10
c)
c. 20
d)
d. 30
130.
63. SMAW power supplies are designed to produce an output that has a _____ current.
a)
a. High level of
b)
b. Nearly constant
c)
c. Varying
d)
d. Low level of
131.
64. Hand tools for preparing a welding surface and cleaning a completed weld include _____.
a)
a. Die grinders
b)
b. Files, wire brushes, and chipping hammers
c)
c. Angle grinders
d)
d. Nibblers
132.
65. In a transformer-rectifier type welding system, AC voltage is reduced to a lower voltage level, and then converted (rectified) into _____.
a)
a. Pulsed DC current
b)
b. DC voltage
c)
c. Pulsed AC voltage
d)
d. AC current
133.
66. The size of an arc welding machine is determined by its rated amperage and _____.
a)
a. Electrode size
b)
b. Duty cycle
c)
c. Voltage
d)
d. Function
e)
67. A voltage step-down transformer converts _____.
134.
68. The primary current for a welding machine can be 120V or 240V single-phase or _____ three-phase.
a)
a. 80V
b)
b. 360V
c)
c. 40V
d)
d. 480V
135.
69. When stringing welding cable overhead or between floors, use _____ to tie off the cables.
a)
a. Bungee cords
b)
b. Rope
c)
c. Tape
d)
d. Wire
136.
70. The longer the distance the welding current must travel, the _____.
a)
a. Smaller the welding cable must be to reduce voltage drop
b)
b. Larger the welding cable must be to increase voltage drop
c)
c. Smaller the welding cable must be to increase voltage drop
d)
d. Larger the welding cable must be to reduce voltage drop
137.
71. The conductors in welding cables are made of strands of _____ wire.
a)
a. Aluminum
b)
b. Steel
c)
c. Stainless steel
d)
d. Copper
138.
72. If the tip of a SMAW electrode is touched and held against the work piece instead of allowing for a gap between the two, the electrode will _____.
a)
a. Pass the electricity directly to the work piece without creating an arc
b)
b. Create an opening and stop all electricity from flowing into the work piece
c)
c. Arc
d)
d. Melt
139.
73. The preventive maintenance schedule for an engine-driven welding machine is usually based on _____.
a)
a. Fuel consumption figures
b)
b. The number of hours that the engine operates
c)
c. Insurance figures
d)
d. The number of welds made
140.
74. The standard frequency of alternating current (AC) in the United States is set at _____ cycles per second.
a)
a. 30
b)
b. 60
c)
c. 50
d)
d. 120
141.
75. Weld slag chippers and needle scalers are _____ tools.
a)
a. Pneumatically powered
b)
b. Battery-powered
c)
c. Hand
d)
d. Ultrasonic
142.
76. Before welding coupons made of 1/4" to 3/4" mild steel, use a wire brush or grinder to _____ the coupons.
a)
a. Shape the edges of
b)
b. Roughen the surface of
c)
c. Remove heavy mill scale or corrosion from
d)
d. Polish the surface of
143.
77. When overlapping stringer beads, use a work angle of _____ degrees toward the first stringer bead to obtain proper tie-in.
a)
a. 20 to 22
b)
b. 15 to 20
c)
c. 5 to 10
d)
d. 10 to 15
144.
78. When striking an arc in SMAW welding, the general rule is that the arc length should be _____.
a)
a. Less than the diameter of the electrode
b)
b. Twice the diameter of the electrode
c)
c. The same as the diameter of the electrode
d)
d. Half the length of the electrode
145.
79. A fillet weld is acceptable even if it has _____.
a)
a. Incomplete fusion
b)
b. Excessive undercut
c)
c. Insufficient leg
d)
d. A slightly non-uniform face
146.
80. The best method of striking an arc when using a transformer DC welding machine is the _____ method.
a)
a. Scratching
b)
b. Weaving
c)
c. Tapping
d)
d. Grounding
147.
81. A weld bead that is made with a side-to-side motion of the electrode is called a(n) _____ bead.
a)
a. Arc
b)
b. Weave
c)
c. Whipping
d)
d. Stringer
148.
82. Concentrated magnetic fields in the base metal cause the arc to _____.
a)
a. Deflect
b)
b. Decrease
c)
c. Stop
d)
d. Increase
149.
83. Magnetic fields created during welding tend to concentrate in the corners of the _____.
a)
a. Base metal
b)
b. Electrode
c)
c. Electrode holder
d)
d. Grounding clamp
150.
84. Arc strikes are left on the base metal by the _____ method of striking an arc.
a)
a. Grounding
b)
b. Scratching
c)
c. Tapping
d)
d. Weaving
151.
85. To control the weld puddle when depositing an E6010 electrode stringer bead, use a _____ motion.
a)
a. Short
b)
b. Whipping
c)
c. Jerky
d)
d. Constant
152.
86. Welding codes require that the crater made by a termination of the weld be filled to the full _____ of the weld.
a)
a. Length
b)
b. Cross section
c)
c. Width
d)
d. Depth
153.
87. When practicing welding, reuse weld coupons until _____.
a)
a. They are needed for a job
b)
b. They are burned
c)
c. They cannot be cut apart
d)
d. All surfaces have been welded on
154.
88. The point at which the back of the weld intersects the base metal is called the weld _____.
a)
a. Toe
b)
b. Face
c)
c. Root
d)
d. Leg
155.
89. Arc length is measured from _____.
a)
a. The end of the electrode holder to the base metal
b)
b. The striking area to the ground clamp
c)
c. One end of the electrode to the other
d)
d. The end of the electrode core to the base metal
156.
90. He most common fillet welds made are in _____ joints.
a)
a. Overhead
b)
b. Lap and T-
c)
c. Horizontal
d)
d. Vertical
157.
91. The gap plate of a plate alignment tool can be changed to match the specified _____.
a)
a. Root bar
b)
b. Root opening
c)
c. Joint angle
d)
d. Joint thickness
158.
92. Excessive face reinforcement _____.
a)
a. Stabilizes the weld
b)
b. Reduces the strength of a weld
c)
c. Is permitted by codes but wastes weld material
d)
d. Is mandated by welding codes
159.
93. The results of testing the WPS for a job are recorded on a(n) _____ and kept on file.
a)
a. NDT record
b)
b. PQR
c)
c. Work permit (or order)
d)
d. Job blueprint
160.
94. A simple welding sequence with short welds _____ of the joint is recommended to reduce the effects of shrinkage.
a)
a. On alternating sides
b)
b. In the middle and long welds on the ends
c)
c. On one side and long welds on the other side
d)
d. On the ends
161.
95. The tool that uses a bubble in a glass vial to check level and plumb is a _____.
a)
a. Combination square
b)
b. Hi-Lo gauge
c)
c. Straightedge
d)
d. Level
162.
96. Chain clamps are used to align and hold pipe for _____.
a)
a. Fit-up and tacking
b)
b. Bending
c)
c. Cleaning
d)
d. Rotating and cutting
163.
97. When using a chain fall to lift or lower weldment parts, always secure the chain fall to an overhead structural member with an approved _____.
a)
a. Sling
b)
b. Come-along
c)
c. Lifting eye
d)
d. Chain collector
164.
98. The letter A in front of the year on the cover of the American Society of Mechanical Engineers code indicates that the code contains _____.
a)
a. A yearly addendum
b)
b. A semi-annual addendum
c)
c. Art changes
d)
d. New changes
165.
99. Internal misalignment between two sections of pipe to be welded end to end is checked using a _____.
a)
a. Hi-Lo gauge
b)
b. Protractor
c)
c. Torpedo level
d)
d. Combination square
166.
100. The degree of distortion that happens during welding is directly related to the _____.
a)
a. Moisture in the air
b)
b. Position of the weld
c)
c. Surrounding air
d)
d. Stresses generated during welding
167.
101. For tasks in which 100 percent weld and grind is required before the clamp is released, a _____ clamp is ideal.
a)
a. Cage
b)
b. Rim
c)
c. Chain
d)
d. Pipe
168.
102. The requirement for the use of a welding procedure specification is often on the _____ or in the tail of the welding symbol.
a)
a. Work piece
b)
b. Blueprint
c)
c. Hot work permit
169.
Think about your experience in our class this semester. What was your favorite unit/project? What would you have liked to spend more time on? What do you wish we had covered this semester? Best part of semester 1? What would you change?
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