AOHIN                                                Heat Exchangers - Introduction

Trainee Name____________________________

Trainee Social Security Number: ____________

Trainee Status:  _______

Course Name: ___________________

Course Code: ___________________   

National Center Course Number: ___________

Date Course Completed: ____________________

Performance Criteria Completed:  _____________



Performance Objectives:
  Pass Fail
Topic 1: Principles
     
1.1 Explain how equipment/processes at your site use natural convection to make heat transfer occur. ____   ____
     
1.2 Explain how equipment/processes at your site use forced convection to make heat transfer occur. ____   ____
     
1.3 Identify an example of unwanted heat transfer by conduction and tell what is done to minimize it. ____   ____
     
1.4 Identify equipment designed to transfer heat by conduction. ____   ____
     
1.5 Describe how heat transfer by radiation is used at your site. ____   ____
     
1.6 Name a liquid used at your site to carry heat. Explain why it is used. ____   ____
     
1.7 State a typical temperature difference for the two fluids entering a heat exchanger at your site. Explain what happens if the difference is smaller than normal. ____   ____
     
1.8 Describe the effects of flow problems on the operation of heat exchange equipment at your site. ____   ____
     
     
Topic 2: Shell and Tube    
     
2.1 Describe the basic operation of heat exchanger examples at your site. ____   ____
     
2.2 Locate and identify a heat exchanger used as a cooler and one used as a heater. ____   ____
     
2.3 Describe the functions of the following on a heat exchanger at your site: shell side and tube side isolation valves, vents, drains, and relief valve(s). ____   ____
     
2.4 Describe the different flow paths that fluids take in different types of shell and tube heat exchangers. ____   ____
     
     
Topic 3: Plate    
     
3.1 Locate and identify a plate heat exchanger at your site. Identify its components and describe how it operates. ____   ____


Performance Evaluator’s Signature:____________________________

Performance Evaluator’s Name (Print):____________________________

Date Completed:____________________________