Class 10 Oswal Previous Year Question Papers-social ScienceFull description
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I have been uploading the aptitude question paper sets , everyone can download and practise, if u have any doubts in questions u can contact me on whatsapp and my whatsapp number is 9397626169
I have been uploading the aptitude question paper sets , everyone can download and practise, if u have any doubts in questions u can contact me on whatsapp and my whatsapp number is 9397626169
CSIR Net GATE IIT JAM TIFR JEST Notes
I have been uploading the aptitude question paper sets , everyone can download and practise, if u have any doubts in questions u can contact me on whatsapp and my whatsapp number is 9397626169
I have been uploading the aptitude question paper sets , everyone can download and practise, if u have any doubts in questions u can contact me on whatsapp and my whatsapp number is 9397626169
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Manufacturing Process
M A IT
Some previous year (important) questions ONLY COVERING SYLLABUS UPTO UNIT 1 AND 2
2.5 marks
1. 2. 3. 4.
1. 2. 3. 4. 5.
2007 What are the different ways of classifying materials? What are the important Properties of moulding sand? chDefine of them. ea What is a “Riser” in casting? What is a “chills”? What is the advantage of “forging” over “casting”? differentiate between “drop” and “press” forging? 2008 Name the various moulding materials used in foundry. List the essential constituents of moulding sand. Write the requirements of a good pattern. Why the selection of sprue reduces downwards? Differentiate between smithy and forging. 6 or 6.5 marks
1. 2. 3. 4. 5. 6.
1. 2. 3. 4. 5. 6.
2007 What are different types of pattern used in casting? Briefly explain each. What is “directional solidification” in casting? How do you ensure that the entire moul cavity is filled up with the molten metal? What are different casting defects? What are their causes and remedies? What is centrifugal casting? What products are made by this process? What are “upsetting” and “swaging” operations in smithy? Name some products that are forged. Why are they not cast?
2008 Sketch and describe the use and advantage of gated pattern. Do you agree with the statement, natural sand is often not suitable for moulding process? Justify your statement. Explain with neat sketch the working of cupola. What are the major drawbacks of casting processes and how they are over overcome? Do you think it is possible to forge all the materials? Justify your statement. Compare forged component with cast component.