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1
GATE PI 1990
MCQ (Single Correct Answer)
+2
-0.6
Calculate the smallest punch diameter that can be designed for piercing sheet metal strip with the following data. Crushing strength of the punch material is $$1500$$ $$MPa.$$ Thickness of the sheet is $$2$$ $$mm,$$ factor of safety is $$3,$$ and shear strength of the sheet material $$500$$ $$MPa$$ is
A
$$2mm$$
B
$$6mm$$
C
$$8mm$$
D
$$24mm$$
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GATE PI Subjects
Engineering Mechanics
Engineering Mechanics Static and Dynamics
Strength of Materials
Pure Bending Shear Force and Bending Moment Complex Stresses Simple Stress and Strain Deflection of Beams Thin Cylinders
Theory of Machines
Analysis of Plane Mechanisms Flywheel
Engineering Mathematics
Probability and Statistics Complex Variable Vector Calculus Numerical Methods Linear Algebra Calculus Differential Equations Transform Theory
Machine Design
Design For Static Loading Design of Spur Gears
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Heat Transfer
Fin Design and Transient Heat Conduction Radiation Conduction Heat Exchangers
Thermodynamics
Entropy and Irreversibility
Casting
Casting Process
Joining of Materials
Welding
Metal Forming
Metal Forming Process Sheet Metal Forming Processes
Machine Tools and Machining
Metal Cutting Advance Machine Tools Machining
Metrology
Metrology and Inspection
Industrial Engineering
Inventory Control Line Balancing Queuing Forecasting Pert and Cpm
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