UKM Tuticorin

Tag: #thermalstress

  • EK Electrical Dec 2019 (Q10)

    EK Electrical Dec 2019 (Q10)

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    UKM TUTICORIN
    in

    (a) State the consequences of using a DOL starters for comparatively large sized AC induction motors (2) (b) Describe, with the aid of a sketch, an electronic soft starting system that may be used for large sized AC induction motors (8) AC Starters Dec 2019 (Q10)

  • EK Motor Jul 2017 (Q6)

    EK Motor Jul 2017 (Q6)

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    by

    UKM TUTICORIN
    in

    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…