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Polytechnic paper pdf downloads 2022 |Manufacturing Processes modal paper

Manufacturing Processes Paper -2018

Time : 2.30 Hours

Maximum Marks : 50

Passing Marks : 17

NOTES :

i) Attempt all Question

ii) Students are advised to specially check the Numerical Data of question paper in both version. If there is any difference in hindi Translation of any question, the students should answer the question according to the English version.

iii) Use of Pager and Mobile Phone by the students is not allowed.

Q.1 a) describe considerable factors for metal costing calculation in forging process. [ 2 * 5 = 10 ]

b) Do listing the metal forming process.

c) what is difference between drawing processes and extrusion process.

Q.2 a) Write down the names of different nondestructive test methods for welding and describe any one test method in detail. [ 2 * 5 = 10 ]

b) Explain tungsten arc welding process with neat sketch.

c) State the ultrasonic Inspection of a weld in brief.

Q.3 a) Describe loose piece, Gated and Match plate patterns. [ 2 * 5 = 10 ]

b) Explain centrifugal casting process in brief.

c) State the defects in mouldings.

Q.4 a) Describe the need and utility of powder metallurgy. [ 2 * 5 = 10 ]

b) Write short notes on Sintering and sizing.

c) Explain shell moulding and discuss its applications.

Q.5 a) Explain working operation and limitations of LASER BEAM Machining process with neat sketch. [ 2* 5 = 10 ]

b) Explain the Electro Chemical machining process with neat sketch.

c) Describe working of Thermit welding with the help of line diagram.

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