1
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Assertion (A) : Cold working of metals result in increase of strength and hardness.
Reason (R) : Cold working reduces the total number of dislocations per unit volume of the material.
A
Both $$A$$ and $$R$$ are individually true and $$R$$ is the correct explanation of $$A$$
B
Both $$A$$ and $$R$$ are individually true but $$R$$ is not the correct explanation of $$A$$
C
$$A$$ is true but $$R$$ is false
D
$$A$$ is false but $$R$$ is true
2
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the following statements:
In comparison to hot working, in cold working,
$$1.$$ Higher forces are required
$$2.$$ No heating is required
$$3.$$ Less ductility is required
$$4.$$ Better surface finish is obtained.

Which of the statements given above are correct?

A
$$1,$$ $$2$$ and $$3$$
B
$$1,$$ $$2$$ and $$4$$
C
$$1$$ and $$3$$
D
$$2,$$ $$3$$ and $$4$$
3
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A $$\phi \,\,25$$ $$mm$$ hole is pierced in a $$t=2.5mm$$ thick steel sheet having shear strength $$\tau = 350\,\,MPa.$$ If the diametral clearance is given by the expression $$C=0.0064$$ $$t$$ $$\sqrt \tau ,$$ the die diameter (in $$mm$$), punch diameter (in $$mm$$) and punch force in $$(kN)$$ respectively are
A
$$25.0, 25.3, 171.8$$
B
$$25.0, 24.7, 68.75$$
C
$$24.7, 25.0, 171.8$$
D
$$25.3, 25.0, 68.75$$
4
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Ring gage is used to measure
A
outside diameter but not roundness
B
roundness but not outside diameter
C
both outside diameter and roundness
D
only external threads
GATE PI Papers
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
1995
1994
1993
1992
1991
1990
1989
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12
Â© ExamGOAL 2024