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GATE 2019: Manufacturing Quiz 8-Theory
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Question 1
Which of the following welding technique is used to make LPG cylinders?
Question 2
Among the given welding techniques, the minimum heat affected zone is produced in
Question 3
Match List-I (Welding Process) with List-II (Application) and select the correct answer using the code given below the lists:
List-I
A). Laser welding
B). Friction welding
C). Ultrasonic welding
D). Explosive welding
List-II
1. Uniting large-area sheets
2. Repairing large parts
3. Welding a rod to a flat surface
4. Fabrication of nuclear reactor components
5. Welding very thin materials
List-I
A). Laser welding
B). Friction welding
C). Ultrasonic welding
D). Explosive welding
List-II
1. Uniting large-area sheets
2. Repairing large parts
3. Welding a rod to a flat surface
4. Fabrication of nuclear reactor components
5. Welding very thin materials
Question 4
Which of the following effects are possible due to residual stresses in welding?
1. Reduce dimensional stability
2. Weld cracking
3. Effect on fatigue strength
4. Reduction in the creep strength
Select the correct answer using the code given below:
1. Reduce dimensional stability
2. Weld cracking
3. Effect on fatigue strength
4. Reduction in the creep strength
Select the correct answer using the code given below:
Question 5
Brittle welds are mainly obtained due to
Question 6
Match the following
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Apr 2ESE & GATE ME