Asurface grinding operation is accomplished with a 20-cm diameter grinding wheel that has tangential velocity of 20 m/s on a workpiece that is moving going through grinding at 0.1 m/s removal of 0.25 mm of material results in an increase in temperature of 50°c in the workpiece. determine the increase in temperature rise in the workpiece if 0.4 mm of material is removed.

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

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?