1
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
Cold working of steel is defined as working
A
at its re-crystallization temperature
B
above its re-crystallization temperature
C
below its re-crystallization temperature
D
at two thirds of the melting temperature of the metal
2
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
A brass billet is to be excluded from its initial diameter of $$100mm$$ to a final diameter of $$50mm$$. The working temperature is $${700^ \circ }C$$ and the extrusion constant is $$250$$ $$MPa.$$ The force required for extrusion is
A
$$5.44$$ $$MN$$
B
$$2.72$$ $$MN$$
C
$$1.36$$ $$MN$$
D
$$0.36$$ $$MN$$
3
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
A
$${3500^0}C$$
B
$${3200^0}C$$
C
$${2900^0}C$$
D
$${2550^0}C$$
4
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
Match the following GATE ME 2003 Production Engineering - Welding Process Question 26 English
A
$$P - 2,\,\,Q - 5,\,\,R - 1,\,\,S - 3$$
B
$$P - 6,\,\,Q - 3,\,\,R - 4,\,\,S - 4$$
C
$$P - 4,\,\,Q - 1,\,\,R - 6,\,\,S - 2$$
D
$$P - 5,\,\,Q - 4,\,\,R - 2,\,\,S - 6$$
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