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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Question Excerpt

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