VWE-115 General Welding

Course Description: This course introduces to students the technical understanding of shielded metal arc welding and oxy-acetylene welding. Provide intensive hands-on training to develop the manual skill in making quality weld on similar and dissimilar metals.

  • This course also meets PLO #(s) 4 of CA in Building Maintenance and Repair program.
  • Pre-requisite Course(s): VSP 121 or VSP 153 or concurrently

A.  PROGRAM LEARNING OUTCOMES (PLOs): 
The student will be able to:

  1. Identify safety and occupational health requirements in the Refrigeration and Air Conditioning   industry.
  2. Manipulate specified hand and power tools for Refrigeration and Air Conditioning.
  3. Perform basic hand skills in maintaining Refrigeration and Air Conditioning system to a given specifications.
  4. Read and interpret basic electrical drawing and symbols related to Refrigeration and Air Conditioning.
  5. Perform basic troubleshooting and repair of domestic refrigeration and air conditioning units.
  6. Participate in the Refrigeration and Air Conditioning profession.

B.  STUDENT LEARNING OUTCOMES (SLOs) - GENERAL: 
The student will be able to:

  1. Discuss introduction to welding.
  2. Explain welding safety.
  3. Recognize types of weld and joints.
  4. Set-up and operate oxy-acetylene and electric arc welding equipment.
  5. Perform oxy-acetylene and electric arc welding practices.
  6. Determine the causes and remedies of welding defects.

SLO

PLO 1

PLO 2

PLO 3

PLO 4

PLO 5

PLO 6

1

 

I

 

 

ID

M

2

D

 

D

 

M

M

3

 

D

D

 

D

D

4

M

I

D

 

 

D

5

 

D

D

 

D

D

6

 

D

DM

 

D

M

I = Introduced
D = Demonstrated
M = Mastered

C.  STUDENT LEARNING OUTCOMES (SLOs)-SPECIFIC: 
      The student will be able to: 

General SLO 1.  Discuss introduction to welding.


Student Learning Outcomes

Assessment Strategies

1.1.Discuss uses of welding

Short answer questions
Multiple choice questions

1.2. Identify the different welding processes
1.3. Select proper welding process
1.4. Enumerate occupational opportunities in welding

General SLO 2.  Explain welding safety.


Student Learning Outcomes

Assessment Strategies

2.1. Discuss accident reporting and work behavior

Short answer questions
Multiple choice questions
Practical task

2.2. Explain ventilation and body protection.

2.3. Demonstrate welding and cutting containers

2.4. Demonstrate safety in cutting operation

2.5. Develop safety in gas welding

2.6. Display safety in electric arc welding

General SLO 3.  Recognize different types of weld and joint designs.


Student Learning Outcomes

Assessment Strategies

3.1. Discuss basic welding terms

Short answer questions
Multiple choice questions
Practical task

3.2. Determine  types of weld

3.3. Compare joint designs

3.4. Demonstrate welding positions

General SLO 4.  Set-up and operate welding equipment.


Student Learning Outcomes

Assessment Strategies

4.1. Discuss the primary components of oxy-acetylene and electric arc welding equipment

Short answer questions
Multiple choice questions
Practical task

4.2. Demonstrate the steps in setting up, starting a flame/arc and shutting- off  welding equipment

4.3. State the types of flame

4.4. Practice personal and equipment safety

General SLO 5.  Perform oxy-acetylene and shielded metal arc welding practices.


Student Learning Outcomes

Assessment Strategies

5.1. Show carrying puddle without a filler rod

Short answer questions
Multiple choice questions
Practical task

5.2. Demonstrate laying beads with filler rods

5.3. Perform welding a butt joints in flat position

5.4. Perform welding a corner joint in flat position

5.5. Demonstrate welding a lap joint in flat position

5.6. Prepare work piece for welding

5.7. Demonstrate striking the arc

5.8. Demonstrate making a straight run

5.9. Perform square edge butt joint

5.10. Perform tack weld

General SLO 6.  Determine the defects and remedies of some welding faults.


Student Learning Outcomes

Assessment Strategies

6.1.  Discuss blowhole defect

Short answer questions
Multiple choice questions
Practical task

6.2. Describe incomplete penetration welding defect

6.3. Discuss undercut

6.4. Recognize lack of fusion

6.5. Describe excessive penetration welding defect

D.  COURSE CONTENT

  1. Introduction to welding
  2. Welding safety
  3. Weld and joint design
  4. Oxy-acetylene equipment
  5. Oxy-acetylene practices
  6. Setting up electric arc welder
  7. Perform arc welding practices
  8. Welding faults, causes, and remedies

E.  METHODS OF INSTRUCTION

  1. Computer Aided Instruction
  2. Practical/Experimentation
  3. Lecture/Demonstration

F.  REQURIED TEXT(S) AND COURSE MATERIALS

  1. Joseph W. Giachino and William Weeks; Welding Skills.(3rd Edition).  Homewood, Illinois 60430: American Technical Publishers, Inc. (or most recent edition).

Required Course Materials:

    1. CAI classroom with whiteboard
    2. Laboratory workshop, equipment and  tools of the trade
    3. Text, Teacher’s Resource Guide, workbook
    4. Multi-media projector

G.  REFERENCE MATERIALS

  1. Ivan H.Griffin, Edward M. Roden and Charles W. Briggs; Basic Oxyacetylene Welding. 3 Colombia Circle, PO Box 15015, Albany, New York. Delmar Publishers Inc. (or most recent edition).
  2. Welding hand-outs

HINSTRUCTIONAL COSTS
None

I.   EVALUATION
The student must achieve a grade of C to pass the course.

J.   CREDIT BY EXAMINATION
None

 

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