
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

Materials Engineering & Their Processing (October 2010)

3 pages, 47 questions, 0 questions with responses, 0 total responses,

	pune_eng	+Fave Message
	Profile Timeline Uploads Q & A

Home > pune_eng >

Formatting page ...

Total No. of Questions :12] [Total No. of Pages :3 [3864]-136 B.E.(Mech.) MATERIALS ENGINEERING AND THEIR PROCESSING ( 2003 Course) P1272 Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers to the two Sections should be written in separate books. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 5) Assume suitable data, if necessary. SECTION - I Q1) Answer the following : a) Draw Fe-Fe3C phase equilibrium diagram and label completely. Explain the slow cooling of 0.4 % C and 1.2 % C steels. [8] b) Which stainless steel is suitable for Heat-Exchanger tubes ? Why ? Explain weld decay in stainless steels. [6] c) State composition, properties and applications of TRIP steel. [4] OR Q2) Answer the following : a) Give classification of tool steels. Explain the heat-treatment for 18:4:1 steel. [8] b) Explain the following terms with respect to pure iron. i) Allotropy ii) Cooling Curve iii) Volume changes. [6] c) State composition, properties and applications of dual phase steel. [4] Q3) Answer the following : a) Explain the procedure of plotting the TTT curves for 0.4 % carbon steel. State the difference between TTT and CCT curves. [6] b) State the characteristics of Martensite and Retained Austenite. Why amount of R.A. is more in tool steel ? How it is minimized ? [8] c) Explain the principle of induction hardening. [2] P.T.O.

Formatting page ...

Additional Info : 2003 Course
Tags : Pune, Engineering, University of Pune, Engineering question papers, Pune University, previous year question papers, question papers, india, model question paper, pune university paper pattern, pune university syllabus, old question papers

pune_eng chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: