1
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
A moving mandrel is used in
A
wire drawing
B
tube drawing
C
metal cutting
D
forging
2
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
Thread rolling is restricted to
A
ferrous materials
B
ductile materials
C
hard materials
D
none of the above
3
GATE PI 1991
Fill in the Blanks
+1
-0
At $${1000^ \circ }C$$ the crystallographic structure of iron is ....................
4
GATE PI 1991
Fill in the Blanks
+1
-0
Seamless long steel tubes are manufactured by rolling, drawing and .............