1
GATE PI 2017
Numerical
+1
-0
A steel wire of $$2$$ $$mm$$ diameter is to be drawn from a wire of $$5mm$$ diameter. The value of true strain developed is _____________ (up to three decimal places)
Your input ____
2
GATE PI 2015
Numerical
+1
-0
The true stress at fracture of a tensile tested specimen, having an initial diameter of specimen at fracture is $$10$$ $$mm,$$ then the engineering stress, in $$MPa,$$ at fracture is ____________
Your input ____
3
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
In rolling of a flat strip, the relative velocity of strip with respect to the roller is
A
positive at entry plane, negative at exit plane
B
negative at entry plane, positive at exit plane
C
positive throughout from entry to exit plane
D
negative throughout from entry to exit plane
4
GATE PI 2015
Numerical
+1
-0
The maximum reduction per pass during wire drawing of an aluminium alloy ignoring friction and redundant work is $$77\% $$. The strain hardening exponent of the material is ______________.
Your input ____
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