1
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In a linear arc welding process, the heat input per unit length is inversely proportional to
A
welding current
B
welding voltage
C
welding speed
D
duty cycle of the power source
2
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
3
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
4
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
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12