Power Plant Turbines: Steam Flow

State the functions of the following turbine parts: wheels blades diaphragms steam chest nozzle block and rotor. State the functions of stop valves and control valves. Describe how steam causes impulse blades to turn a turbines wheels. Describe how steam causes reaction blades to turn a turbines wheels. State the functions of reheat stop valves and intercept valves. Define a turbine trip and describe how it protects a turbine. Describe the purpose for and operation of a gland steam seal system. Describe the purpose for and operation of a gland steam seal exhaust system. Describe the operation of a carbon seal. Describe the operation of a water seal.