I. General Information

1. Course Title:
Visual Inspection Level I & II

2. Course Prefix & Number:
WELD 1167

3. Course Credits and Contact Hours:

Credits: 1

Lecture Hours: 0.5

Lab Hours: 1

4. Course Description:

This course’s subjects include the mechanics of the human eye, illumination requirements, surface conditions, test specimen attributes, and various discontinuities and conditions that may be encountered. Both direct and indirect (remote) visual techniques are thoroughly presented and demonstrated. The different visual tools, measuring devices, and advanced VT instrumentation are discussed and demonstrated. A wide range of common applications are included. Level I will focus on weld discontinuities. Level II will focus on measuring discontinuities and determining whether or not weld is accepted or rejected.

5. Placement Tests Required:

Accuplacer (specify test):

No placement tests required

Score:

6. Prerequisite Courses:

There are no prerequisites for this course.

9. Co-requisite Courses:

There are no corequisites for this course.

II. Transfer and Articulation

III. Course Purpose

1. Program-Applicable Courses – This course is required for the following program(s):

Nondestructive Testing Technologies Diploma
Nondestructive Testing Technologies Certificate

IV. Learning Outcomes

1. College-Wide Outcomes

College-Wide Outcomes/Competencies	Students will be able to:
Demonstrate oral communication skills	Explain the function of the various parts of the human eye.
Demonstrate written communication skills	Report visual inspections on multiple test objects.
Utilize appropriate technology	Properly choose between direct and remote visual inspection techniques.

2. Course Specific Outcomes - Students will be able to achieve the following measurable goals upon completion of the course:

• Demonstrate the ability to choose appropriate inspection equipment;
• Describe limitations and benefits of visual inspection;
• Navigate related visual inspection procedures and codes; and
• Perform visual inspections on multiple test objects and document findings.

V. Topical Outline

Listed below are major areas of content typically covered in this course.

1. Lecture Sessions

1. The human eye
• Mechanics of vision
• Visual perception
2. Illumination requirements
• Quality and type of light
• Light sources
• Regulations
3. Surface conditions
• Variations and considerations
• Color
• Texture
• Contrast
4. Physiological factors
• Physical comfort
• Health
• Mental attitude
5. Environmental factors
• Cleanliness
• Humidity and temperature
• Safety
6. Direct and indirect (remote) visual techniques
• Bore-scopes
• Fiberscopes
7. Visual tools
• Gauges,
• Measuring devices
• Advanced visual tools instrumentation

2. Laboratory/Studio Sessions

 

1. Identify various visual tools

• Gauges,
• Measuring devices
• Advanced VT instrumentation

2. Use of various visual tools

• Gauges,
• Measuring devices
• Advanced VT instrumentation

3. Recording results

• Completing various forms and reports
• Understanding impacts and consequences for reports
• Conducting follow-up evaluations

4. Codes and standards

• Navigation of various applicable industry codes
• Understanding the role of standards
• Explaining standards and industry codes to multiple audiences