AOHCT                                                Heat Exchangers – Cooling Towers

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: Introduction
     
1.1 Identify a cooling water system and its components, including a cooling tower, a circulating pump, a heat exchanger, and circulating water lines. ____   ____
     
1.2 Identify cooling towers at your site as natural draft, forced draft, or induced draft towers. ____   ____
     
1.3 Locate and identify the following parts of a cooling tower: cells, cooling water return lines, troughs, fans, distribution nozzles, packing, draft eliminator, basin, makeup water inlet, blowdown valve, air inlet louvers. ____   ____
     
1.4 Explain how the water level in the basin of a cooling tower at your site is controlled. ____   ____
     
1.5 Locate and identify the level control equipment on the tower. ____   ____
     
     
Topic 2: Operation    
     
2.1 Perform the pre-startup checks for a cooling tower at your site and start up the tower. ____   ____
     
2.2 Explain how the amount of cooling provided by a cooling tower at your site is controlled to match unit cooling requirements. ____   ____
     
     
Topic 3: Chemistry    
     
3.1 Name the chemicals added to the water in a cooling system at your site to control suspended solids and dissolved solids. ____   ____
     
3.2 Locate the material safety data sheet (MSDS) for each of the chemicals. Describe the handling instructions and personal protective equipment for each chemical as given on the MSDS. ____   ____
     
3.3 Take a sample of cooling water. Conduct standard tests for dissolved and suspended solids and interpret the results. ____    ____
     
3.4 Locate the chemical addition equipment for dissolved and suspended solids and identify each piece of equipment. ____   ____
     
3.5 Name the chemicals added to the water in a cooling system at your site to control dissolved gases and micro-organisms. ____   ____
     
3.6 Explain what each chemical does and how it is added to the system. ____    ____
     
3.7 Locate the material safety data sheet (MSDS) for each of the chemicals. Describe the handling instructions and personal protective equipment for each chemical as given on the MSDS. ____   ____
     
3.8 Take a sample of cooling water. Conduct standard tests for dissolved gases and microorganisms and interpret the results. ____   ____
     
3.9 Describe how the addition of chlorine to cooling water is controlled. ____    ____


Performance Evaluator’s Signature:____________________________

Performance Evaluator’s Name (Print):____________________________

Date Completed:____________________________