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C-60 Welding
 
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C60 – Welding Contractor

A welding contractor causes metals to become permanently attached, joined and fabricated by the use of gases and electrical energy, which creates temperatures of sufficient heat to perform this work.

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)

Content of the Examination

The Welding (C-60) Examination is divided into six major sections. These sections are:

1. Job Evaluations and Estimating (10%)

  • Plans, Specifications, and Drawings
  • Equipment, Materials, and Supplies
  • Job Task Scheduling

2. Shop Equipment and Materials (20%)

  • Shop Equipment
  • Shop Materials, Consumables, and Reports
  • Shop Housekeeping and Safety

3. Fabrication (19%)

  • Shop Layouts
  • Shop Cutting
  • Grinding, Forming, and Tack Welding

4. Welding Processes (12%)

  • Brazing
  • Gas Welding
  • Arc Welding

5. Field Work (29%)

  • Field Layouts and Installations
  • Field Welding and Weld Symbols
  • Field Equipment and Transporting
  • Field Housekeeping and Safety

6. Repair Processes (10%)

  • Repair Evaluations
  • Repair Processes

*Percentages are approximate*


Test Site Policy
This is a closed-book examination. No reference materials may be used during the examination. All materials brought to the examination site must be left in an unmonitored area at your own risk.

Test Strategy
This is a multiple-choice examination with four choices per question. Some questions require mathematical computation. Examination questions are written to provide only one BEST answer and are NOT written as trick questions.

All correct answers have equal value and there are no score reductions for wrong answers. Therefore, all examination questions should be answered.

Ample time is provided to answer all examination questions, so be sure to read each question and its four choices completely and carefully before selecting the BEST possible answer to the question.


Sample Questions

The following questions are typical of the types of items that are on the examination. The correct answer is highlighted.

1. Which of the following statements about brazing are FALSE?

  1. When brazing a lap joint, the two surfaces should not be tightly clamped together to assure proper alignment.
  2. The brazing process occurs below 2000 degrees Fahrenheit.
  3. A brazed joint is stronger than a soldered joint.
  4. Brazing filler metal is usually nonferrous.

2. When using DCRP arc welding, about 2/3 of the heat is released at the electrode. Approximately how much heat is released at the electrode for DCSP?

  1. 3/4
  2. 2/3
  3. 1/3
  4. 1/4

3. How should a worker be welding a lap joint in a flat position on plate steel?

  1. Use a weaving motion so more heat is distributed to the bottom piece of metal.
  2. Use a weaving motion so more heat is distributed to the top piece of metal.
  3. Both pieces being welded should receive an equal amount of heat.
  4. The piece having its edge welded should receive the most heat.

*All questions are written and reviewed by licensed contractors who are actively working in the field*


Resources
Cal/OSHA Construction Safety Orders.
California Code of Regulations, Title 8,
Industrial Relations, Division 1, Chapter 4, Subchapter 4.
Barclays Law Publishers,
P.O. Box 95767,
Chicago, IL 60694.
(800) 888-3600
FAX: (415) 732-8861.
INTERNET: ccr.oal.ca.gov

AWS D1.1 Structural Welding Code – Steel.
American Welding Society.
550 N.W. LeJeune Road,
Miami, FL 33126.
(800) 443-9353 or (305) 443-9353.
INTERNET: www.aws.org


The Welder’s Handbook.
Reston Publishing Co., Inc.
(a Prentice-Hall Co.)
Reston, VA 22090.
(703) 821-5050
FAX: (703) 917-0991.
INTERNET: www.prenticehall.com

The Manager's Guide for Welding.
SMACNA,
4201 Lafayette Center Dr.,
Chantilly, VA 22021-1209.
(703) 803-2980
FAX: (703) 803-3732.
INTERNET: www.smacna.org
 

Modern Welding.
The Goodheart-Wilcox Co., Inc.,
123 W. Taft Dr.,
South Holland, IL 60473.
(708) 333-7200
FAX: (888) 409-3900.

*Publisher information is current as of 12/03*

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