Question bank on
Computer Applications and Modeling
1) Write an algorithm and ‘C’ program for the determination of molal volume of a
gas by making suitable assumptions. Use Newton Raphson Method and van der
Walls equation.
2) Write an algorithm and ‘C’ program for the determination of molal volume of a
binary mixture by making suitable assumptions. Use Newton Raphson Method
and Redlich Kwong equation.
3) Write an algorithm and ‘C’ program for the determination of the root of the
equation x3 -5x + 3 = 0 making suitable assumptions. Use Newton Raphson
Method.
4) Write an algorithm and ‘C’ program for the determination of molal volume of a
gas by making suitable assumptions. Use Bisection Method and van der Walls
equation.
5) Write an algorithm and ‘C’ program for the determination of molal volume of a
binary mixture by making suitable assumptions. Use Bisection Method and
Redlich Kwong equation.
6) Write an algorithm and ‘C’ program for the determination of the root of the
equation x3 -5x + 3 = 0 making suitable assumptions. Use Bisection Method.
7) Write an algorithm and ‘C’ program for the determination of molal volume of a
gas by making suitable assumptions. Use Substitution Method and van der Walls
equation.
8) Write an algorithm and ‘C’ program for the determination of molal volume of a
binary mixture by making suitable assumptions. Use Substitution Method and
Redlich Kwong equation.
9) Write an algorithm and ‘C’ program for the determination of the root of the
equation x3 -5x + 3 = 0 making suitable assumptions. Use Substitution Method.
10) Explain Newton Raphsons method graphically.
11) Explain Bisection Raphsons method graphically.
12) Explain iterative methods giving examples.
13) What is substitution method explain.
14) What is a numerical technique explain with examples.
15) What is numerical integration? Explain graphically trapezoid rule
16) What is numerical integration? Explain graphically Simpson’s 1/3 rule.
17) Write an algorithm and ‘C’ program to Evaluate the integral between limits x0 to
xn for the function x/(1+√x2) using trapezoidal rule.
18) Write an algorithm and ‘C’ program to Evaluate the integral between limits x0 to
xn for the function x/(1+√x2) Simpson’s 1/3 rule
19) Write an algorithm and ‘C’ program to calculate specific heat of gas using
trapezoidal rule.
20) Write an algorithm and ‘C’ program to calculate specific heat of gas Simpson’s
1/3 rule
21) Write an algorithm and ‘C’ program to calculate time required to achieve
conversion xA in a batch reactor. Give your assumptions. Use trapezoidal rule.
22) Write an algorithm and ‘C’ program to calculate time required to achieve
conversion xA in a batch reactor. Give your assumptions. use Simpson’s 1/3 rule
23) Write an algorithm and ‘C’ program to calculate time required to bring down the
concentration of reactant A from Ca0 to Ca given n trials of rate data.. Give your
assumptions. Use trapezoidal rule.
24) Write an algorithm and ‘C’ program to calculate time required to bring down the
concentration of reactant A from Ca0 to Ca given n trials of rate data.. Give your
assumptions. Use Simpson’s 1/3 rule.
25) Write an algorithm and ‘C’ program to generate concentration profile for the
range 0<x<1 in steps of 0.1 in a PFR using IV order Runge Kutta method. The
equation dc/dx = a*c1.5*(1+ (√1=x2)) describes variation of concentration w.r.t
distance x along the reactor. A is a constant.
26) Write an algorithm and ‘C’ program to determine value of y for a particular value
x using Runge Kutta method.
27) Write an algorithm and ‘C’ program to calculate Arrhaneous factor and frequency
factor using method of Least squares making proper assumptions.
28) Write an algorithm and ‘C’ program to determine the equation of the best curve fit
for the given data points using method of Least squares making proper
assumptions.
29) Write an algorithm and ‘C’ program to calculate pressure drop and frequency
factor. Using method of Least squares derive an expression to relate frequency
factor and Nre.
30) Write an algorithm and ‘C’ program to determine the solution for simultaneous
linear equations using Gauss siedel method.
31) Write an algorithm and ‘C’ program to determine the solution for simultaneous
linear equations using Gauss Jordon elimination method.
32) Write an algorithm and ‘C’ program to solve acid mixing problem using Gauss
siedel method.
33) Write an algorithm and ‘C’ program to solve acid mixing problem using Gauss
Jordon elimination method.
34) Write an algorithm and ‘C’ program to generate P-x,y data using bubble point
Calculation. Give your assumptions
35) Write an algorithm and ‘C’ program to generate T-x,y data using bubble point
Calculation. Give your assumptions
36) Write an algorithm and ‘C’ program to generate P-x,y data using dew point
Calculation. Give your assumptions
37) Write an algorithm and ‘C’ program to generate T-x,y data using dew point
Calculation. Give your assumptions
38) Write an algorithm and ‘C’ program to determine bubble point for ideal binary
mixture. Give your assumptions
39) Write an algorithm and ‘C’ program to determine dew point for ideal binary
mixture. Give your assumptions
40) Write an algorithm and ‘C’ program to determine bubble point for non ideal
binary mixture. Give your assumptions
41) Write an algorithm and ‘C’ program to determine dew point for non ideal binary
mixture. Give your assumptions
42) What is principle of corresponding states Explain with examples?
43) What is UNIFAC method? Explain.
44) Write an algorithm and ‘C’ program to determine II and III virial coeficients.
Give your assumptions
45) Write an algorithm and ‘C’ program to determine Give your assumptions
46) What is Pitzer’s rule? Explain
47) Write an algorithm and ‘C’ program to evaluate vapour and liquid flow rates and
compositions for a multi component system in isothermal flash drum. State your
assumptions.
48) Write an algorithm and ‘C’ program to evaluate vapour and liquid flow rates and
compositions for an ideal binary system in isothermal flash drum. State your
assumptions.
49) Write an algorithm and ‘C’ program to determine volume of isothermal CSTR.
State your assumptions.
50) Write an algorithm and ‘C’ program to determine volume of isothermal PFR.
State your assumptions.
51) Write an algorithm and ‘C’ program to determine volume of non isothermal
CSTR. State your assumptions.
52) Write an algorithm and ‘C’ program to determine volume of non isothermal PFR.
State your assumptions.
53) Write an algorithm and ‘C’ program to calculate time required to achieve
conversion xA in a batch reactor. Give your assumptions. use Simpson’s 1/3 rule
54) Write an algorithm and ‘C’ program to generate concentration profile for the
range 0<x<1 in steps of 0.1 in a PFR using IV order Runge Kutta method. The
equation dc/dx = a*c1.5*(1+ (√1=x2)) describes variation of concentration w.r.t
distance x along the reactor. A is a constant.
55) Write an algorithm and ‘C’ program to calculate time required to achieve
conversion xA in a non isothermal batch reactor. Give your assumptions. use
Simpson’s 1/3 rule
56) Write an algorithm and ‘C’ program to calculate the number of theoretical plates
using plate to plate calculations in a distillation column. Give your assumptions.
57) Derive the equations to calculate the number of theoretical plates using plate to
plate calculations in a distillation column with assumptions.
58) Write an algorithm and ‘C’ program to design a DPHE. State your assumptions.
59) Write an algorithm and ‘C’ program to design a STHE. State your assumptions.
60) Give the equations to design DPHE with assumptions.
61) Give the equations to design STHE with assumptions.
62) Write an algorithm and ‘C’ program to determine LMTD for co current and
counter current flow.
63) Write an algorithm and ‘C’ program to design an evaporator. State your
assumptions.
64) Give the equations to design an evaporator with assumptions.
65) Write an algorithm and ‘C’ program to determine adiabatic flame temperature.
State your assumptions.
66) Write short notes on
a) Numerical methods
b) PCS
67) Write short notes on
a) Numerical integration b) PCS
c) UNIFAC method
d) Equations of state
c) Least square method d) Equations of state
68) Write short notes on
a) Numerical methods b) Compressibility factor c) UNIFAC method
d) Solution of simultaneous equations.
69) Write short notes on
a) Newton Raphson method b) Compressibility factor c) Trapezoidal rule
d) Solution of simultaneous equations.
70) Write short notes on
a) Numerical methods b) Algorithms c) Arrhaneous plot
d) Solution of transcendental equations.
71) Write a flow sheet to determine volume of adiabatic CSTR. State your
assumptions.
72) Write a flow sheet to determine volume of an adibatic PFR. State your
assumptions.
73) What is modeling? How model building is done.
74) What are principles of model formulation?
75) What are precautions to be taken in model building?
76) Explain the fundamental laws connected to model building
77) Explain Shell balance approach
78) Explain and derive continuity equation
79) Explain and derive energy equation
80) Explain and derive equation of motion
81) What is transport equation of state explain.
82) Give the classification of mathematical models
83) Develop a basic tank mathematical model (level vs time). State assumptions.
84) Develop a mathematical model for multi component flash drum. State
assumptions.
85) Develop a mathematical model for batch distillation. State assumptions.
86) Develop a mathematical model for batch reactor. State assumptions.
87) Develop a mathematical model for three CSTR in series. State assumptions.
88) Develop a mathematical model for heat exchanger(co-current). State assumptions.
89) Develop a mathematical model for heat exchanger (counter current). State
assumptions.
90) Write short notes on
a) Mathematical model
d) Equations of state
b) PCS
c) UNIFAC method
91) Write short notes on
a) Numerical integration b) Newton Raphsons method
d) Equations of state
c) Least square method
92) Write short notes on
a) Numerical methods b) Compressibility factor c) UNIFAC method
d) Classification of models.
93) Write short notes on
a) Newton Raphson method
d) Laws of modeling.
b) Compressibility factor c) Trapezoidal rule
94) Write a flow sheet to design a DPHE. State your assumptions.
95) Write a flow sheet to design a STHE. State your assumptions.
96) Write a flow sheet to design a evaporator. State your assumptions.
97) Write a flow sheet to design a distillation column. State your assumptions.
98) Write a flow sheet to design an adiabatic CSTR. State your assumptions.
99) Write a flow sheet to design an adiabatic PFR. State your assumptions.
100)
What is numerical technique. Explain different types briefly.