Answer ALL Questions
Part-A (2 Marks)
1.
What is meant by Precisions investment Casting?
2.
Mention few applicationof Centrifugal Casting?
3.
What are functionof flux used in Welding electrode?
4.
Define Soldering ?
5.
Distinguish between hot working and cold working of metals.
6.
Define forging.
7
What is stretching?
8.
What are the application of super plastic forming process .
9.
Discuss the Various properties of plastics.
10.What
are the processing of thermoplastics.
PART B
11.a)
(i)Discuss the properties of moulding Sand. (8)
(ii) What are pattern allowances?
Explain briefly each
(Or)
b) Explain
the constructional feature of cupola furnace with neat Sketch (16)
12.
a)(i)Explain With a neat sketch the components of oxy-acettlene gas welding
equipment
(ii) Describe the process of electroslag
welding and identify their major application. (16)
b) i)
Explain the working principle of electron beam welding.(8)
ii) Explain the Spot welding process.
(8)
13.
a) (i) with the neat sketch explain the working of pneumatic hammer for forging
(ii) How the pipe and tube are manufactured
.
(Or)
b) With
the neat sketch explain the different type of rolling.
14.
a) Briefy explain what are compound dies
and progressive dies, with sutable sketch . (16)
(Or)
b) With
a neat sketch explain the working principle of magnetic plus forming . (16)
15.
a) Explain the various type of
thermoforming method shaping thermoplastics. (16)
(Or)
b) Explain
screw injectinon type molding with neat sketch.
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