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

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