Mp Mid Term.docx

Mid Term- I 1. What is directional solidification? What are the different methods of achieving it?

(3)

2. How hollow castings are made? Explain any one of the casting techniques to make hollow castings for engineering applications. (3) 3. A job shown in the Figure is to be made of steel by casting process. All the dimensions are in mm. The mould for this job is made from a wooden pattern. Determine the dimensions of the wooden pattern. Assume machining allowance of 2 mm on each side, shrinkage allowance of 2% and a taper allowance of 1 degree. (3)

80

20

50 4. Draw a four jaw chuck and mention its salient features.

(3)

5. Explain eccentric turning by making the diagram only.

(3)

Mid Term- I 1. What is directional solidification? What are the different methods of achieving it?

(3)

2. How hollow castings are made? Explain any one of the casting techniques to make hollow castings for engineering applications. (3) 3. A job shown in the Figure is to be made of steel by casting process. All the dimensions are in mm. The mould for this job is made from a wooden pattern. Determine the dimensions of the wooden pattern. Assume machining allowance of 2 mm on each side, shrinkage allowance of 2% and a taper allowance of 1 degree. (3)

80

20

50 4. Draw a four jaw chuck and mention its salient features.

(3)

5. Explain eccentric turning by making the diagram only.

(3)

80

20

50

80

20

50