1
GATE ME 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
Within the Heat Affected Zone (HAZ) in a fusion welding process, the work material undergoes
A
microstructural changes but does not melt
B
neither melting nor microstructural changes
C
both melting and microstructural changes after solidification
D
melting and retains the original microstructure after solidification
2
GATE ME 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The major difficulty during welding of aluminium is due to its
A
high tendency of oxidation
B
high thermal conductivity
C
low melting point
D
low density
3
GATE ME 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In solid-state welding, the contamination layers between the surfaces to be welded are removed by
A
alcohol
B
plastic deformation
C
water jet
D
sand blasting
4
GATE ME 2011
MCQ (Single Correct Answer)
+1
-0.3
Which one among the following welding processes uses non-consumable electrode?
A
Gas metal arc welding
B
Submerged arc welding
C
Gas tungsten arc welding
D
Flux coated arc welding
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