4) A flat bar is to be rolls but the rolls refuse to bite (the bar is not drawn into the roll gap). State at least two measures that could be taken.
(ISBN 0-07-116911-3) (chapter 9)
Introduction to Manufaturing Process - Question 2 - 2) Under otherwise identical conditions, would a melt heated to 1.2TL give a
finer-grained casting than one heated to 1.1 TL? Give two reasons for your answer.
(0-07-116911-3)
Introduction to Manufaturing Process - Question 1 - 1) Calculate the 0.5Tm temperature for Zn,Cu, and Ni. Explain on this basis whether significant creep of these metals should be expected at 200 degrees C.
(ISBN 0-07-116911-3) (page 119)
Introduction to Manufaturing Process - Question 3 - 3) A gear blank has been successfully hot forged on a mechanical press in a closed die. At the beginning of a new production run, the die burst. What is the likely cause?
(ISBN 0-07116911-3) (chap ...
Isothermal Carnot cycle - During the isothermal heat addition process of a Carnot cycle, 900 kJ of heat is added to the working fluid from a source at 400 degrees Celcius. Determine (a) the entropy change of the working fluid ...