1
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
Match the following GATE PI 2008 Metal Forming - Sheet Metal Forming Processes Question 4 English
A
$$P - 2,\,\,Q - 3,\,\,R - 4,\,\,S - 1$$
B
$$P - 3,\,\,Q - 4,\,\,R - 1,\,\,S - 2$$
C
$$P - 2,\,\,Q - 3,\,\,R - 1,\,\,S - 4$$
D
$$P - 2,\,\,Q - 4,\,\,R - 3,\,\,S - 1$$
2
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
A blank of $$50$$ $$mm$$ diameter is to be sheared from a sheet of $$2.5$$ $$mm$$ thickness. The required radial clearance between the die and the punch is $$6\% $$ of sheet thickness. The punch and die diameter $$(mm)$$ for this blanking operation respectively are
A
$$50.00$$ & $$50.30$$
B
$$50.00$$ & $$50.15$$
C
$$49.70$$ & $$50.00$$
D
$$49.85$$ & $$50.00$$
3
GATE PI 2007
MCQ (Single Correct Answer)
+2
-0.6
Circular blanks of $$35$$ $$mm$$ diameter are punched from a steel sheet of $$2$$ $$mm$$ thickness. If the clearance per side between the punch and die is to be kept as $$40$$ microns, the sizes of punch and die should respectively be.
A
$$35$$ & $$35.040$$
B
$$34.92$$ & $$35$$
C
$$35$$ & $$35.080$$
D
$$35.040$$ & $$34.92$$
4
GATE PI 2006
MCQ (Single Correct Answer)
+2
-0.6
It is required to punch a hole of diameter $$10mm$$ on a sheet of thickness $$3mm.$$ The shear strength of the work material is $$420Mpa.$$ The required punch force is
A
$$19.78$$ $$kN$$
B
$$39.56$$ $$kN$$
C
$$98.9$$ $$kN$$
D
$$395.6$$ $$kN$$
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12