Type classification: De Laval turbine Classify the De Laval turbine according to type and staging. Choose the correct option.
Mechanical Engineering
Steam Nozzles and Turbines
Difficulty: Easy
Choose an option
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ASingle-rotor impulse turbine
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BMulti-rotor impulse turbine
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CImpulse–reaction turbine
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DNone of these
Answer
Correct Answer: Single-rotor impulse turbine
Explanation
ConceptThe classic De Laval machine is a single-stage, single-rotor impulse turbine with a convergent–divergent nozzle and one ring of moving blades. All pressure drop occurs in the nozzle; the rotor extracts kinetic energy only.
Final AnswerSingle-rotor impulse turbine