Tag: #ekmotoroct2017q8

  • EK Motor Oct 2017 (Q8)

    EK Motor Oct 2017 (Q8)

    With reference to two stroke, slow speed engine pistons: (a) Explain what is meant by the term thermal stress and how this can cause cracking of crown surface (4) (b) Sketch a cross-section of a piston, labeling the main components and indicating coolant flow (8) (c) State a cause of EACH of the following defects…