AOTSF                                                Turbines – Steam Flow

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: Construction and Rotation
     
1.1 State the functions of the following turbine parts: wheels, blades, diaphragms, steam chest, nozzle block, and rotor. ____   ____
     
1.2 State the functions of stop valves and control valves. ____   ____
     
1.3 Describe how steam causes impulse blades to turn a turbine’s wheels. ____   ____
     
1.4 Describe how steam causes reaction blades to turn a turbine’s wheels. ____   ____
     
1.5 State the functions of reheat stop valves and intercept valves. ____   ____
     
1.6 Explain what a turbine is and describe how it protects a turbine. ____   ____
     
     
Topic 2: Sealing Systems    
     
2.1 Describe the purpose and operation of a gland steam seal system. ____   ____
     
2.2 Describe the purpose and operation of a gland steam seal exhaust system. ____   ____
     
2.3 Describe the operation of a carbon seal. ____   ____
     
2.4 Describe the operation of a water seal. ____   ____


Performance Evaluator’s Signature:____________________________

Performance Evaluator’s Name (Print):____________________________

Date Completed:____________________________