Download GTU BE/B.Tech 2019 Summer 6th Sem New 2162507 Allied Manufacturing Technique Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-VI(NEW) — EXAMINATION - SUMMER 2019

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Subject Code:2162507 Date:18/05/2019
Subject Name:Allied Manufacturing Technique
Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) List some tool holding devices used in capstan turret lathes. 03
(b) Differentiate between an automatic and a semi-automatic lathe. 04

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(c) Classify the non-traditional machining processes. 07

Q.2 (a) Name various work holding devices used in capstan turret lathes. 03
(b) Discuss some of the applications of capstan and turret lathes. 04
(c) Describe various types of multi-spindle automatics. 07

OR

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(c) Describe various rules which must be followed while laying out 07
the sequence of operations on a turret lathe.

Q.3 (a) List the advantages of thread rolling process. 03
(b) Mention the characteristics of thread milling. 04
(c) Discuss the thread chasing process of cutting threads. 07

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OR

Q.3 (a) Write a brief note on tapping of threads. 03
(b) Discuss the casting method for producing threads. 04
(c) Describe the thread grinding process in detail. 07

Q.4 (a) Write a brief note on gear materials. 03

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(b) Distinguish between forming and generating. 04
(c) Explain in detail the method of cutting gears by milling. 07

OR

Q.4 (a) Write a short note on gear finishing processes. 03
(b) List the advantages and disadvantages of casting gears. 04

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(c) Discuss the ‘Roll'forming’ method of gear manufacturing with its 07
advantages.

Q.5 (a) List some of the common abrasive powders used in USM. 03
(b) Describe the principle of Abrasive Jet Machining (AJM). 04
(c) Explain working of ECM with process parameters in detail. 07

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OR

Q.5 (a) Name die-electric fluids used in EDM and mention its function. 03
(b) Differentiate LBM and EBM. 04
(c) Explain working principle of PAM with process parameters in 07
detail.

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