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GATE 2015 : Production and Industrial Engineering

21 pages, 55 questions, 13 questions with responses, 14 total responses,

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GATE 2015 PRODUCTION & INDUSTRIAL ENGG. PI Q. 1 Q. 25 carry one mark each. Q.1 In numerical integration using Simpson s rule, the approximating function in the interval is a (A) constant Q.2 (B) straight line (C) cubic B-Spline (D) parabola If a constant force f applied on an object P, displaces it by a distance d , inclined at an angle to the direction of force f , then the work done by the force f is (A) div( f d ) Q.3 (B) f (curl d ) (C) f d (D) f . d A product is an assembly of 5 different components. The product can be sequentially assembled in two possible ways. If the 5 components are placed in a box and these are drawn at random from the box, then the probability of getting a correct sequence is (A) Q.4 2 5! (B) 2 5 (C) 2 (5 2)! (D) 2 (5 3)! The function f ( x) = x 2 = x + x + x + x times, is defined (A) at all real values of x (B) only at positive integer values of x (C) only at negative integer values of x (D) only at rational values of x Q.5 The room-temperature stress ( )-strain ( ) curves of four materials P, Q, R, and S are shown in the figure below. The material that behaves as a rigid perfectly plastic material is (A) P PI (B) Q (C) R (D) S 1/9

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