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