This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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B.Tech. Sixth Semester (Chemical Engineering) (CGS)
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10165 : Computer Programming & Applications : 6 CH 03/ 6 PP 03
Pages: 2 AW - 3248
Max. Marks : 80
Time : Three Hours
Notes : Answer Three question From Section "A" and Three question from Section "B".
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Due credit will be given to neatness and adequate dimensions.
Assume suitable data wherever necessary.
Use of pen Blue/Black ink/refill only for writing the answer book.
SECTION - A
- a) Solve the following equation using Runge-Kutta second order and forth order formula. 10
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dy/dx = y - x, y(0) = 2 Find y (0.1) & y (0.2) correct to four decimal places with h = 0.1
b) Given dy/dx = 1 + xy. 4
y (0) = 1, obtain the Taylor series for y (x) and compute y (0.1) correct to four decimal
places.
OR
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- a) Solve dy/dx = x2y using Euler's predictor corrector method with the initial condition
y (0) = 1, find y (0.5) using a step size of h=0.1
b) Derive Euler's predictor and corrector formula Also give difference between them. 6
- a) Solve the following set of three linear equation in three variables using the Gauss- 7
elimination method.--- Content provided by FirstRanker.com ---
3x1 + x2 - 2x3 = 9
-x1 + 4x2 - 3x3 = -8
x1 - x2 + 4x3 = 1
b) Find the inverse of the matrix 6
A =--- Content provided by FirstRanker.com ---
1 -1 1
1 -2 4
1 2 2
OR
- A liquid - liquid extraction process conducted in the Electrochemical material laboratory 13
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involved the extraction of Nickel from aqueous phase into an organic phase. A set of
experimental data is given bellow.
Ni - aq. Phase, X(g/l) - 2 2.5 3
Ni - organic phase, Y(g/l)- 8.57 10 12
The Quadratic interpretation that estimate Y is given by Y = a1x2 + a2x + a3 2 < x < 3.--- Content provided by FirstRanker.com ---
The solution for constant a1, a2, a3, is given by
4 2 1 | a1 | = | 8.57 | Find the value of a1,
6.25 2.5 1 | a2 | = | 10 | a2, a3, by Gauss.
9 3 1 | a3 | = | 12 | Elimination method.
Estimate the value at Y at x = 2.39 g/l
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- a) Find the real root of the equation correct to three decimal places and between 0 and 0.5 for
equation 4e-xsinx -1 Using Regula Falsi method.
b) Compute a real root from:
f(x)= x3 -3x-5=0 using the Method of False Position.
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OR
- a) Use Newton Raphson method to obtain a root correct to three decimal places of following
equation. sin x = 1-x
b) Use the method of false Position, to find out root of equation cos x- x ex upto the four
decimal place.
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SECTION - B
- a) Economize the power series for the maximum error of 0.0005,
Sinx = X - X3/3! + X5/5! - ...
b) What do you mean by approximation of function? Explain in detail why we need to
approximate a function? Which are the methods of approximation of function.
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OR
- a) Find the values of a, b & c so that y = a + bx + cx2 is the best fit to data
X 0 1 2 3 4
Y 1 0 3 10 21
b) Estimate the criteria for the 'Best' fit for straight line.
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- a) Minimize F(x1,x2) =(x1-2)2 +3(x2 +3)2 by the method of steepest descent using
initial solution X0 = (1,-2)
OR
- a) Explain
i) Analytical method of optimization--- Content provided by FirstRanker.com ---
ii) Gradient methods of optimization
b) Explain Fibonacci search for n total number of experiment and uncertainty defined by
as x < b
- a) Explain in detail:
1) Modular Programming--- Content provided by FirstRanker.com ---
2) Subroutine libraries
3) Capacity optimization
OR
- a) Explain Block diagram of preliminary aids for programming.
b) Describe how numerical method are implemented using subroutine libraries.
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This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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