Andhra University 2008 B.E COMPUTER PROGRAMMING - Question Paper
Wednesday, 01 May 2013 02:45Web
I Year B.E./B.Tech Degree exams
COMPUTER PROGRAMMING AND NUMERICAL
TECHNIQUES
(Common to All Branches)
Time : 3 hours Maximum : 75 Marks
ques. one is compulsory
ans any 4 from ques. two to 8
All ques. carry marks
15
b) compute the values of ( )
( )
x2 y2
x y
-
+ with x = 0.4845
and y = 0.4800, using normalized floating point airthematic.
Compare the value with (x-y). Determine relative fault
of the former.
5. a) obtain the root of the subsequent equations accurate upto two decimal
places using false position method.
x3-2x2+3=0
b) obtain the root of the subsequent formula accurate upto two decimal
places using Newton - Raphson method.
sinx=1-x
6. a) From the subsequent table obtain the value of f (x)when
x = 0.21.
x 0.20 0.22 0.24 0.26 0.28 0.30
f (x) 1.6596 1.6698 1.6804 1.6912 1.7024 1.7139
b) From the subsequent table obtain the value of f (x)when x = 4.
x -1 0 three six 7
f (x) three -6 39 822 1611
16
7. a) compute the value of
2
0
I sinxdx
p
=ò by Simpson rule with
8 intervals.
b) Solve the subsequent system by Gauss - Elimination method
5x-2y+z=4
7x+y-5z=8
3x+7y+4z=10
8. a) Use Euler’s method to obtain y(0.1)y=x+y with y(0)=0
with h = 0.01.
b) Use Runge - Kutta method to obtain
y(0.2) in steps of 0.1
dy 2
x y
dx
= + with y(0)=1.
17
1. Write brief answers to the subsequent five x three = 15 Marks
a) elaborate Critical Constants? How are they obtained?
b) discuss the effect of temperature on the surface tension of
liquids? provide examples?
c) describe Enthalpy of a system discuss the effect of temperature
on heats of reactions?
d) What is the significance of Eutectic point?
c) describe order of reaction? provide examples of a 2nd order
reaction?
2. a) Drive the integrated form of Classius Clayperon formula
for liquid vapor equilibrium and explain any 2 of its
applications? eight Marks
b) elaborate azeotopic mixtures of liquids? discuss the principles
underlying the bractional distillation of such liquid mixtures?
7 Marks
3. discuss the phenomena of Surface tension and Viscosity of
liquids? define any 1 method for their determination”
15 Marks
Earning: Approval pending. |