KITE COLLEGE OF PROFESSIONAL ENGINEERING
SCIENCES
DEPARTMENT OF MECHANICAL ENGINEERING
MID-1 QUESTION PAPER (2-2)
SET-1
1) A) Write the basic steps of the casting process.
B) Sketch a common gating
system. Label it and explain the function of its various elements.
2) Describe the need of investment casting. Explain in
detail the investment casting process.
3) What
is filler metal? Explain its importance in welding, giving its composition.
4) What is friction welding? What are
its applications?
SET-2
1) A) Explain briefly the various pattern allowances.
B) What is
gating ratio? How are in gate position and size determined?
2) A) Explain the formation of
shrinkage cavities in steel castings. How do you eliminate/reduce them?
B) Write the
procedure and advantages, limitations and applications of centrifugal casting.
3) Explain
the forge welding process and its applications.
4) What are the differences between TIG
and MIG welding process?
SET-3
1) A) explain briefly with neat sketches the mould making
process.
B) Why casting
is preferred over other manufacturing methods? Discuss.
2) A) what precautions should one take while choosing
chills?
B) Differentiate
between crucible melting and cupola operation.
3) What
is flux? Why is it essential to use in some welding situations?
4) Explain with the help of neat sketch
the explosive welding processes and mention its applications.
SET-4
1) A) what do you mean by the term casting? Mention its
advantages and disadvantages.
B) State the typical applications of casting process as used in
automobile sector.
2) A) what purpose is served by the
risers in sand casting? Explain the principles of design of risers.
B) With the help of a diagram,
explain the working of a cupola?
3) What
is flux? Why is it essential to use in some welding situations?
4) Explain the principle of operation
of laser welding. Mention its applications.
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