GATE Production and Industrial Engineering (PI) Previous Year Question Paper 2015
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GATE Production and Industrial Engineering (PI) Question Papers 2015
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GATE Production and Industrial Engineering (PI) Question Paper 2015 | Download Free PDF:
1. In numerical integration using Simpson’s rule, the approximating function in the interval is a
- (A) constant
- (B) straight line
- (C) cubic B-Spline
- (D) parabola
2. The true stress at fracture of a tensile tested specimen, having an initial diameter of 13 mm, is 700 MPa. If the diameter of specimen at fracture is 10 mm, then the engineering stress, in MPa, at fracture is _________________.
3. If the principal stress values are 120 MPa, –50 MPa and 10 MPa in a given state of stress, then maximum shear stress in the material, in MPa, is ___________________.
4. 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
5. The maximum reduction per pass during wire drawing of an aluminum alloy ignoring friction and redundant work is 77%. The strain hardening exponent of the material is ____________.
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