STUPIDSID
1(a)
What do you understand by term radian?
2 M
1(b)
What is meant by the term 'magnification' as applied to comparators?
2 M
1(c)
Define the following related to the geometry of rolling
i) Absolute spread
ii) Angle of bite
i) Absolute spread
ii) Angle of bite
3 M
Solve any one question from Q.1(d) & Q.1(e)
1(d)
Explain hot and cold rolling process with their advantages and disadvantages.
7 M
1(e)
Distinguish between 'line standard' and 'end standard'.
7 M
2(a)
What do you understand from the term 'too life'?
2 M
2(b)
What are the main cutting tool material? Give only name.
2 M
2(c)
What do you understand by 'orthogonal' and 'oblique' cutting? How do they differ from each other?
3 M
Solve any one question from Q.2(d) & Q.2(e)
2(d)
What are common mechanism causing wear on cutting tools? Explain in brief.
7 M
2(e)
A carbide lipped tool of designation 0-10-5.5-8-90-1 mm (ORS) is used to turn a steel work piece of 50mm diameter with a cutting speed of 240m.min and feed of 0.25 mm/rev. The data obtained shows the cutting force 180kg. Feed force 100 kg and chip thickness 0.32mm. Calculate shear angle, shear force.
7 M
3(a)
Define moulding and casting.
2 M
3(b)
What do you understand by the coreprint and core shifting?
2 M
3(c)
What are the advantages and disadvantages of wood pattern?
3 M
Solve any one question from Q.3(d) & Q.3(e)
3(d)
Write short note on core binders and core additives.
7 M
3(e)
Explain in brief the continuous casting process with neat sketch. Discuss advantages and limitations.
7 M
4(a)
Define the term draft in forging.
2 M
4(b)
Why are forgings sometimes heat treated?
2 M
4(c)
Give in brief the requirement of stock material in deep drawing.
3 M
Solve any one question from Q.4(d) & Q.4(e)
4(d)
List the different bending operations. Describe the mechanism of bending related to press working.
7 M
4(e)
What are the advantages and limitations of press forging over drop forging?
7 M
5(a)
State the function of flux used in welding.
2 M
5(b)
How the mechanics of brazing differ from braze welding?
2 M
5(c)
Describe projection resistance welding.
3 M
Solve any one question from Q.5(d) & Q.5(e)
5(d)
Sketch and describe the principle of submerged arc welding.
7 M
5(e)
Write the advantages, limitations and application of spinning process.
7 M
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