Download GTU B.Tech 2020 Winter 6th Sem 2162506 Metal Joining Technology Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 6th Sem 2162506 Metal Joining Technology Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VI (NEW) EXAMINATION ? WINTER 2020
Subject Code:2162506 Date:20/01/2021
Subject Name:Metal Joining Technology
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS
Q.1 (a) Define Welding Process.
03

(b) Compare welding joint with Riveting Joint
04

(c) Briefly classify the various types of Welding Process.
07


Q.2 (a) Write down the function of inert gas?
03

(b) Draw rightward technique and leftward technique.
04

(c) Explain the various equipment used in the gas welding.
07




Q.3 (a) Enlist types of arc welding.
03

(b) Write down the full form of following welding processes
04
(i)
TIG (ii) MIG (iii) CAW (iv) SAW

(c) Explain Flue Shielded Metal Arc Welding (FSMAW) with
07
advantages and neat sketch.




Q.4 (a) What is the difference between thin plate and thick plate in welding
03
terminology?

(b) Explain the difference between electro gas and electro slag welding.
04

(c) Explain SAW with advantages, disadvantages neat sketch.
07



Q.5 (a) Enlist different types of filler road.
03

(b) Explain Direct current Straight Polarity (DCSP) with neat sketch.
04

(c) Explain "Thermit Welding" with neat sketch, process, advantages
07
and applications.



Q.6 (a) Enlist various defect occur in the weld joints.
03

(b) Explain Direct Current Reverse Polarity (DCRP) with neat sketch..
04

(c) Explain "Atomic Hydrogen Welding Process" with neat sketch,
07
process, advantages and applications.



Q.7 (a) What is weld pool, explain with neat sketch.
03

(b) Enlist different resistance welding processes.
04

(c) Briefly Explain spot welding process with neat sketch.
07



Q.8 (a) Explain the types of distortion.
03
(b) Explain Seam welding process with neat sketch.
04
(c) Explain the preventive action carried for reducing distortion during
07
welding process.

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