Diploma Manufacturing Process and Material Technology Question paper
Q.1(a) Give classification of welding processes. 05
(b) Differentiate between hot working and cold working processes. 05
(c) Explain "shrinkage allowance" and "machining allowance". 04
Q.2(a) Define:
1. Plasticity 2. Strength 3. Malleability 4. Specific heat 5. Creep
6. Resistivity 7. Melting point
07
(b) Define manufacturing process and classify it. 07
OR
(b) Draw a neat diagram of Lathe machine and explain its major parts. 07
Q.3(a) Write in brief general requirement of engineering materials. 05
(b) Define heat treatment process and state its objectives. 05
(c) Explain " three high rolling mill " with sketch. 04
OR
Q.3 (a) State taper turning methods and explain any one in detail. 05
(b) Write short note on Induction hardening process. 05
(c) Explain wire drawing process with neat sketch. 04
Q.4(a) List advantages and disadvantages of forging process. 05
(b) Explain any three essential properties of moulding sand. 05
(c) List the equipment need in gas welding. 04
OR
Q. 4 (a) Explain "spinning" process. 05
(b) Give the name of various types of cores and explain a balanced core. 05
(c) Write short note on "spot welding". 04
Q.5(a) Differentiate between welding and brazing. 05
(b) Write short note on power press. 05
(c) Name different types of drilling machine 04
OR
Q.5 (a) Explain working principle of "Arc welding". 05
(b) Explain quick return motion mechanism of shaper machine. 05
(c) Give the classification of milling machine. 04
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