Tag: #ekmotorjul2019q6

  •  EK Motor Jul 2019 (Q6)

     EK Motor Jul 2019 (Q6)

    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…