1
GATE PI 1991
MCQ (More than One Correct Answer)
+1
-0.3
High alloy steel components are preheated before welding for reducing
2
GATE PI 1991
Fill in the Blanks
+1
-0
In spot welding of aluminium sheets, the welding current should be .........A........ and weld time should be kept ............B......... than for $$MS$$ sheet of same thickness.
(A). higher / lower, (B). higher / lower
3
GATE PI 1991
Fill in the Blanks
+1
-0
....................... is the non-fusion method of joining dissimilar metals with metals whose melting temp is greater than $${400^ \circ }C$$.
4
GATE PI 1991
MCQ (Single Correct Answer)
+2
-0.6
In welding process, penetration is increased by
Paper analysis
Total Questions
Casting
5
Joining of Materials
7
Machine Tools and Machining
8
Metal Forming
5
Metrology
4
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