1
GATE ME 2010
MCQ (Single Correct Answer)
+2
-0.6
In a shear cutting operation, a sheet of $$5mm$$ thickness is cut along a length of $$200mm.$$ The cutting blade is $$400mm$$ long and zero-shear $$(S=0)$$ is provided on the edge. The ultimate shear strength of the sheet is $$100$$ $$MPa$$ and penetration to thickness ratio is $$0.2.$$ Neglect friction GATE ME 2010 Production Engineering - Sheet Metal Forming Processes Question 11 English

Assuming force $$Vs$$ displacement curve to be rectangular, the work done in $$J$$ is

A
$$100$$
B
$$200$$
C
$$250$$
D
$$300$$
2
GATE ME 2010
MCQ (Single Correct Answer)
+2
-0.6
In a shear cutting operation, a sheet of $$5mm$$ thickness is cut along a length of $$200mm.$$ The cutting blade is $$400mm$$ long and zero-shear $$(S=0)$$ is provided on the edge. The ultimate shear strength of the sheet is $$100$$ $$MPa$$ and penetration to thickness ratio is $$0.2.$$ Neglect friction GATE ME 2010 Production Engineering - Sheet Metal Forming Processes Question 10 English

A shear of $$20mm$$ $$(S=20mm)$$ is now provided on the blade. Assuming force $$Vs$$ displacement curve to be trapezoidal, the maximum force (in $$kN$$) exerted is

A
$$5$$
B
$$10$$
C
$$20$$
D
$$40$$
3
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
In the deep drawing of cups, blanks show a tendency to wrinkle up around the periphery (flange). The most likely cause and remedy of the phenomenon are respectively,
A
Buckling due to circumferential compression: increase blank holder pressure
B
High blank holder pressure and high friction: reduce blank holder pressure and apply lubricant
C
High temperature causing increase in circumferential length; apply coolant to blank
D
Buckling due to circumferential compression; decrease blank holder pressure.
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The force requirement in a blanking operation of low carbon steel sheet is $$5.0$$ $$kN.$$ The thickness of the sheet is $$'t'$$ and diameter of the blanked part is $$'d'.$$ For the same work material, if the diameter of the blanked part is increased to $$1.5d$$ and thickness is reduced to $$0.4t$$, the new blanking force in $$kN$$ is
A
$$3.0$$
B
$$4.5$$
C
$$5.0$$
D
$$8.0$$
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12