PTU B.Tech Mechanical 5th Sem Paper 2012 Mechanical Methods in Engineering

PTU B.Tech Mechanical 5th Semester Paper 2012 Mechanical Methods in Engineering Punjab Technical University Exam 2012 5th Semester Mechanical Methods in Engineering Test September and March Question Paper Free Download Punjab Technical University Mechanical Methods in Engineering Question Papers 2012 PTU B.Tech Mechanical 5th Sem Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech Mechanical 5th Semester Paper 2012 Mechanical Methods in Engineering Punjab Technical University September 2012 and March 2012 Exam B.Tech Mechanical 5th Semester Sample Model Question Papers Free Download PDF

Mechanical Methods in Engineering

 a) Define absolute error, relative error and percentage error in numerical methods by giving suitabic examples.
h) Find the first tcrrn of the series whose second and subsequent terms arc 8, 3. 0, -1, 0 by using forward difference mcthod.
C) Write down the scheme of Successive Approximation Method. (or Iteration Method) When does this method converge?
d) IfA. he an Eigen value of a nonsingular square matrix A, then write down at least one Eigen Value of each A’ and dj(A).
c) Write down Simpson’s j4 – rule for numerical integration, also mention its error.
f) What arc normal equations for fitting a straight line v = a + bx with the given data points (x1, yj, for I = 0, 1 , 2, 3 . ii.
g) State the condition, when Gauss elimination method to solve the system of equations AX = 13 will fail.
h) When the general PDEA Ui., + BU, + CU + F(x. y, ii, u, ui.) = 0 is said to be ciliptic, parabolic and hyperbolic, where A, B and C arc functions of x and v.
I) State two diffcrcnccs between ‘Curve Fitting’ and ‘Intcrpolation’.
j) What do you mean by Predictor — Corrector method.

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PTU B.Tech Mechanical 5th Sem Paper 2012 Mechanical Methods in Engineering


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