Download GTU BE/B.Tech 2018 Winter 6th Sem New 2162506 Metal Joining Technology Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem New 2162506 Metal Joining Technology Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2162506 Date:16/11/2018

Subject Name:Metal Joining Technology

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Define ?Welding Process? 03
(b) Difference between Riveting Joint and Welding Joint 04
(c) Classify the welding Processes 07

Q.2 (a) Define Gas Welding processes 03
(b) Enlist different types of flames produced by gas welding. 04
(c) Explain rightward and leftward technique with neat sketch. 07
OR
(c) Explain various equipment used in gas welding. 07
Q.3 (a) Define Arc Welding Process 03
(b) Explain Direct current straight polarity (DCSP) and Direct current
Reverse polarity (DCRP).
04
(c) Explain the Tungsten Inert gas welding with neat sketch, advantages,
limitations and applications.
07
OR
Q.3 (a) Define Submerged Arc Welding (SAW) 03
(b) Enlist different types of electrodes used in welding processes 04
(c) Difference between TIG and MIG. 07
Q.4 (a) Define Resistance Welding Process 03
(b) Explain the role of Inert gas in welding processes. 04
(c) Explain Spot Welding process with neat sketch, advantages, limitations
and applications.
07
OR
Q.4 (a) Explain the limitation of Carbon Arc welding 03
(b) Explain the role of Filler rod in welding processes. 04
(c) Explain Seam Welding process with neat sketch, advantages, limitations
and applications.
07
Q.5 (a) Enlist different types of solid- state welding processes. 03
(b) Explain Pre welding processes. 04
(c) Explain Thermit Welding with neat sketch, advantages, and
applications.
07
OR

Q.5 (a) Difference between destructive and non-destructive testing 03
(b) Explain Post welding processes. 04
(c) Enlist different types of NDT explain any one of them with neat sketch. 07

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