Production and Industrial Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PI 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionPINAT2 marksNeeds review
The value of the integral
obtained by using Simpson’s 1/3 rule with 4 subintervals is equal to
. The value of n is ________. (Answer in integer)Log in to check the answer
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Open questionPINAT2 marksNeeds review
If i, j and k are the orthogonal unit vectors in Cartesian x-y-z coordinate system, the rate of change of the function
at point (1, 1, 1) in the direction of
is________. (Answer in integer)Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 45
Open questionPINAT2 marksNeeds review
In a wire drawing of a perfectly-plastic material with flow stress of 300 MPa, the back tension is zero and front tension is 200 MPa. Assuming ideal deformation with zero friction, the percentage reduction of the cross-sectional area of the wire is________. (Rounded off to one decimal place)
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