Speed classification of steam engines: categorize an engine running between 100 and 250 r.p.m. Context: Slow, medium, and high-speed steam engines are classified by crankshaft rpm bands in classic practice. Select the correct class for 100–250 r.p.m.

Mechanical Engineering Steam Boilers and Engines Difficulty: Easy
Choose an option
  • A
    Slow speed engine
  • B
    Medium speed steam engine
  • C
    High speed steam engine
  • D
    None of these

Answer

Correct Answer: Medium speed steam engine

Explanation

ConceptTypical classification places engines of about 100–250 r.p.m. in the medium-speed category. Slower machines (e.g., < 100 r.p.m.) are slow-speed; much faster units are high-speed types.

Discussion & Comments
No comments yet. Be the first to comment!
Join Discussion