Seat No.:
Subject Code: 2172003
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Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
Subject Name: Manufacturing Technology - I1
Time: 02:30 PM TO 05:00 PM
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1
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(a) Comparison between forward extrusion and reverse extrusion. [03]
(b) What is pattern? Classify types of pattern allowance. Explain Any two allowances. [04]
(c) Different between cold working and hot working. And also explain crystalline temperature with type. [07]
Q.2
(a) List out casting defects. Explain any five Defects. [03]
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(b) Explain different type of Gas Flame [04]
(c) Define following terms. [07]
I) marking 2) bloom 3) Notching 4) Billet 5) piercing 6) lancing 7) Blanking
OR
(c) Explain properties of liquid metal. And also different type of gates. [07]
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Q.3
(a) Give Advantages and disadvantages of gating system. [03]
(b) Explain welding process parameters and its effect. [04]
(c) Explain centrifugal Casting process. And also give advantages and disadvantages [07]
OR
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(a) Differentiate between arc welding process and resistance welding process. [03]
(b) List out moulding sand testing: Explain any one. [04]
(c) Explain the different types of clamps used in jigs and fixtures. [07]
Q.4
(a) Classification of Non-Traditional manufacturing process. Explain Electric Discharge machining process. [03]
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(b) Write short note on LBM. [04]
(c) Describe the applications of plate jigs. [07]
OR
(a) Explain electron polarity and type of Current. [03]
(b) Write short note on ECM. [04]
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(c) Explain Sine bar and Give its application, merits and Demerits. [07]
Q.5
(a) Explain Concept of direct and indirect measurement. [03]
(b) Explain (EBM) electron beam welding process. And also give advantages and disadvantages [04]
(c) Explain the function of Jig and fixture. Explain the concept with example of redundant location. [07]
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OR
(a) Explain Taylors gauging Principle. [03]
(b) Write short note on SAW. [04]
(c) Explain Investment casting with advantages, disadvantages and also application. [07]
Date: 16/05/2019
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Total Marks: 70
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This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University