STUPIDSID
Write short notes on any four of the following -
1 (a)
Pattern allowances
5 M
1 (b)
Up milling, down milling
5 M
1 (c)
CO2 Welding
5 M
1 (d)
CNC machines
5 M
1 (e)
Grinding wheel selection and specification.
5 M
2 (a)
Describe with neat sketch the manufacturing of Pig iron using blast furnace.
10 M
2 (b)
Draw neat sketches of following drilling operations -
(i) Counter boring
(ii) Reamming
(i) Counter boring
(ii) Reamming
4 M
2 (b)
Describe the important properties of Moulding sand
6 M
3 (a)
Explain working of dividing head of milling machine with suitable numerical example.
10 M
3 (b)
Explain centreless grinding operation.
6 M
3 (c)
Define cutting speed and feed in case of turning operation.
4 M
4 (a)
Classify planning machines. Sketch and describe the construction of double column planner.
10 M
4 (b)
What is mean by Grain, grade and structure of grinding wheel?
6 M
4 (c)
Sketch and state the use of following accessories of lathe -
(i) Mandrel
(ii) Face Plate
(i) Mandrel
(ii) Face Plate
4 M
5 (a)
What is weldability? Discuss various welding defects with their remedies.
10 M
5 (b)
Discuss Electro-slag welding process.
6 M
5 (c)
Explain the sintering process in powder metallurgy.
4 M
6 (a)
Explain the construction, working application of Ultrasonic machining process. Discuss its advantages and disadvantages.
10 M
6 (b)
Compare EDM and ECM.
6 M
6 (c)
Why risers are used in casting process?
4 M
7 (a)
What is NDT? Explain any two NDT Methods.
10 M
7 (c)
Discuss the important steps of making powder in powder Metallurgy.
6 M
7 (c)
Differentiate Shaper and Planner.
4 M
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