WMP pyq 2022 complete solution in one video .
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Questions are :-
1.(a) A rip saw
b) The low permeability in sand can cause. which of the following defects in casting?
(c) A file removes the metal during
(d) Lancing is the operation of
(e) The dowels are
(f) Lathe bed is usually made of
(g) Lap joints are employed on plates having thickness
(h) Which type of feed is needed in facing operation?
(i) The oxyacetylene gas used in gas welding produces a flame temperature of
(j) Arc stability is better with
2.(a) What is manufacturing? State and explain various manufacturing processes.
(b) What is pattern allowance? Why they are given? Explain the functions of different pattern allowances in brief.
3. (a) What is core? Why it is given?
(b) List and explain the functions of various pattern making tools.
c) With neat sketch, explain any five casting defects along with their remedies.
4. (a) Define welding. Differentiate between autogenous, heterogenous and homogenous welding.
(b) What is metal forming? Differentiate between bulk metal and sheet metal forming. With neat sketch, explain any one bulk metal forming process.
5. (a) State the different processes done in bench work and fitting.
(b) With a neat sketch, explain the principle of electric arc welding. Also explain the significance of polarity.
6. (a) How do you classify drills? Sketch a twist drill and name the different parts along with their explanations.
(b) State the different types of plastic moulding processes. With a neat sketch, explain the working of transfer moulding process.
7. (a) Write short note on pouring a equipments used in foundry shop.
(b) What is seasoning of wood? Explain the different types of wood.
(c) State and explain the various carpentry processes
8. (a) What is a CNC? Explain its salient features which make the CNC more effective.
(b) Define taper. How is the amount of taper expressed? Name different methods of taper turning done on a centre lathe using simple sketches.
9. (a) What is rapid prototyping? State various rapid prototyping processes and explain any one of them.
(b) What is lathe? How in a lathe classified? With neat sketch, explain the a functions of lathe parts.
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