Which of the following engine conditions would be the likely cause of a tensile failure of a connecting rod? a. Engine overspeed b. High cylinder pressures c. Prolonged lug down d. Prolonged engine idling

Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?