Basic Welding Mid-term Exam

50 Questions  I  By Crose
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Welding Quizzes & Trivia
This mid-term exam will ask questions covering the materials that have been discussed and practiced during the 2009 fall semester.

  
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Questions and Answers Excerpt

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1.  A butane or propane cigarette lighter is safe around welding equipment as long as it is kept in one's pocket.
A.
B.
2.  One should never enter a welding shop without wearing
A.
B.
C.
D.
3.  What is the term for the width of the cut produced by any cutting process?
A.
B.
C.
D.
4.  Acetylene can be used with an oxyfuel cutting tip?
A.
B.
5.  Safety glasses are not required when welding with the helmet down.
A.
B.
6.  The device used to control the pressure on an oxyfuel cutting torch set is called?
A.
B.
C.
D.
7.  Long hair, loose fitting clothes, and ties are personal safety hazards around rotating equipment.
A.
B.
8.  While welding, ventilation should be placed as close to the fume source as practical.
A.
B.
9.  Burns are some of the most common and painful injuries in a welding shop.
A.
B.
10.  Potential hazards related to arc welding are
A.
B.
C.
D.
11.  One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.
A.
B.
12.  It is not necessary to wear shaded lenses when oxyfuel cutting, because it uses a flame instead of an electric arc.
A.
B.
13.  When not in use, an electrode holder GTAW torch or MIG gun should not be placed in contact with a grounded metal surface.
A.
B.
14.  Gas cylinder must be chained or secured at all times.
A.
B.
15.  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.
B.
C.
D.
16.  Which oxyacetylene flame has an excess of fuel?
A.
B.
C.
D.
17.  A burn that causes the skin to blister is referred to as a
A.
B.
C.
D.
18.  While flame cutting, the preheat flames (with the cutting jets open) should be?
A.
B.
C.
D.
19.  The maaximum safe working pressure for acetylene is?
A.
B.
C.
D.
20.  The oxyfuel cutting process uses oxygen and what other types of gases?
A.
B.
C.
D.
21.  Fuel gas hoses are usually colored
A.
B.
C.
D.
22.  Areas that have less than ____ cubic feet per welder, or that have ceilings less than 16 feet high, require forced ventilation.
A.
B.
C.
D.
23.  In order to maintain production, it is acceptable to operate welding equipment beyond its rated capacity.
A.
B.
24.  Flash burn is
A.
B.
C.
D.
25.  Which of the following is the only acceptable method for lighting oxyfuel torches?
A.
B.
C.
D.
26.  What type of clothing should always be worn when using an OFC torch?
A.
B.
C.
D.
27.  Which fuel gas can be used to cut low-carbon steel?
A.
B.
C.
D.
28.  Because of the low amount of ultraviolet light present, it is not necessary to use shaded lenses when oxy-fuel cutting.
A.
B.
29.  While cutting with acetylene, the oxygen working pressure is?
A.
B.
C.
D.
30.  The maximum safe working pressure for Acetylene is
A.
B.
C.
D.
31.  The selection of a correct lens shade number depends on the
A.
B.
C.
D.
32.  Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.
A.
B.
33.  Mechanized OFC is commonly referred to as a track burner?
A.
B.
34.  When using a fire extinguisher to extinguish a fire, it should be
A.
B.
C.
D.
35.  If an excessive amount of preheat is used when making an oxyfuel cut, the?
A.
B.
C.
D.
36.  A Hot Work Permit
A.
B.
C.
D.
37.  Oxyacetylene torches can cut?
A.
B.
C.
D.
38.  What type of fire extinguisher should be used on an electrical fires?
A.
B.
C.
D.
39.  What are the initials of the federal organization created to insure safe and sanitary working conditions for employees?
A.
B.
C.
D.
40.  What should one never use on gas cylinders, regulators, connections and hoses?
A.
B.
C.
D.
41.  A confined space is one that
A.
B.
C.
D.
42.  A fully charged oxygen cylinder contains approximately 225 psi at 70 degrees F.
A.
B.
43.  Vaporized metals such as zinc, cadmium, lead, chromium and beryllium
A.
B.
C.
D.
44.  One should never cut or weld directly against
A.
B.
C.
D.
45.  Fuel gas fittings are equipped with left-hand threads.
A.
B.
46.  Skin contact with liquid oxygen can cause frostbite.
A.
B.
47.  What type of thread and color are fuel gas fittings?
A.
B.
C.
D.
48.  ANSI Z49.1 allows oxygen to be used as a substitute for compressed air when necessary.
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B.
49.  One should never operatearc welding equipment while
A.
B.
C.
D.
50.  Acetylene cylinders should never be operated while lying on their side because acetone could be drawn into the valve, regulator and hose.
A.
B.
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