Second year, Department of Mechanical Engineering
First and second Units Questions.
Answer
ALL questions
PART
A – (10×2=20 marks)
1.
What are the pattern materials?
2.
Name any four types of commonly used patterns?
3.
List any four allowances considered while designing a pattern for
a casting?
4.
What is function of core in moulding sand?
5.
Differentiate between mould and core?
6.
What
is a core print? Mention is its purpose?
7.
What
is the merit of co2 process?
8.
Write
the composition of good moulding sand?
9.
List
out any five moulding tools?
10.
Name
four different casting defects?
Part – B (16 × 5 = 80 marks)
11. What are the pattern allowances? Explain briefly each. (13)
12.Describe with a neat sketch pressure die casting machine. Give
its advantages and
limitations?. (13)
13 (a). Describe the centrifugal casting process (7)
(b)Describe
the stir casting? (6)
14. Explain the neat sketch how metal is melted in cupola furnace. (13)
15.Explain with a neat the
components oxy-acteylence gas welding equipments? (13)
PART-C(15×1=15)
16 Write a notes on casting defects ,
causes and remedies
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