This document contains an examination paper for Engineering Mathematics - II from December 2013/January 2014. It includes 8 questions with multiple choice and long answer questions. The topics covered include differential equations, Fourier series, Laplace transforms and partial differential equations. Students are required to answer 5 full questions by choosing at least two from each part. The paper tests the students' understanding of key concepts and their ability to solve problems in these topics.

1. t0crJBtzt22
USN
First/Second Semester B.E. Degree Examination, Dec.2013 /Jan.2OL4
Engineering Ghemistry
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a
Time: 3 hrs.
Max. Marks:100
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.Nbte: l. Answer any FIVE full questions, choosing at least two from each part.
'',,,.. 2. Answer all objective type questions only on OMR sheet page 5 of the answer booklet.
,,, ' 3, Answer to objective type questions on sheets other than OMR will not be valued.
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iv)
5r
76
5lr
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o
.'[
+0.74V
p7
c.
(05 Marks)
(05 Marks)
example.
Explain a method for the determination of single elechode potential.
An electrochemical cell consists of magnesium electrode,in 0.042m mg(NO:)z solution and
silver electrode i"O.Jl- AgNO3 solutiin. The SEP of Mg.and Ag are--2.36iV and +0.80V
respectivelr,,, *UU.,r.r, the cell, write the cell reaction and c lcpl,aq the emf of ,n.
d.
atE
,"r?Lr.u,
L()
u<
A) temperature of solution
B) concentration of solution
C) areaof the metal exposed
D) nature of mqtal.
The emf of a cell consisting of a SHE and a metal is fti,ilUd'to be 0.74V. The SHE is
the positive €iectrode in the combination. Then the potential of the metal electrode is:
A)
B) +1.74Y
o1-0.74!fsr
c) rp)317v
Electrode potentiil of a metal in a dilute solution is:
A) same as that in a concentrated solution
B) lower than that in eonaentrated solution
C) higher than that in a concentrated solution
D) none oIthese.
The potential of the two metal eleetrodes used in a cell are 0.35V and 0.85
of the cell lormed by combining them is:
A) 1.20v
B) 0.5V
c) -0.50v
D) -1.20V.
What are concentration cell?lExplain the workinf of a concentration cell by taking suitable
3u
=O
o-
'1r:
b.
6)=
6.v
> (!
-^o
6=
*(D
tr>
-A
i)
I
6J
PART
' .:
(04 Marks)
Chaose the correct answers for the following :
: 4 metal rod is dipped in a solution of its ions. Its electrode potential is independent of:
2a.
(04 Marks)
Choose'the correct answers for the following
. 1't,;,, lead acid battery the product formed on both anode and cathodd'is:. .'
A) PbO2
B) PbO
D) Pb.
c) Pbso4
A battery in which a key component is separated from the battery prior to its activation
is called:
A) Primary battery B) Secondary battery C) Tertiary battery
D) Reserve battery
In which of these batteries aqueous KOH is used as an electrolyte?
A) Ni-cd
B) Ni-MH
D) All of these
C) Zn-at
iv) In which of the following battery the cell reaction is not reversible?
A) Pb-PbO2
B) Li-MnOz
D) Ni-Cd
c) Ni-MH
i)
; i0
:
*N
()
iii)
z
6
L
a.
b.
c.
d.
(05 Marks)
Explain the construction and working of Zn-MnO2battery.
What are fuel cells? How it differ from battery? Explain the construction and working of
(07 Marks)
CH:OH-Oz fuel cell.
Write the discharging and charging reactions in the following batteries:
(04 Marks)
i) Ni-Cd battery; ii) Ni-MH battery.

2. l
10cIIEt2t22
3 a.
'
i)
b.
c.
d.
protection
C) Sacrificial anodic protection
D) None of these.
During galvanic corrosion the move noble metal act as:
i
. "'
B) cathode
A) anode
D) None of these
,.. C) anode as well as cathode
the maximum amount of corrosion take place:
iii) In water line corrosion,
, ,tr') along a line just above the level of water meniscus
'Ell along a line at the level of water meniscus
C) along a line just below the level of water meniscus
D) at the bottom of the vessel.
iv) During dif eential aeration type corrosion, the corrosion:
A) occurs at more oxygenated part
B) occurs at less oxygenated part
D) rlbne of these.
C) occurs uniforr,n throughout
ii)
,
,
:
(04 Marks)
Choose the correct answers for the following
When a buried pipeline is protected from corrosion by connecting to magnesium block
it is called:
B) Sacrificial cathodic protection
A) Impressed voltage
,
I
What is metallic .orrorro*, Explain electrochemical theory of corrosion by taking iron
example.
Explain the corrosion control technique by,eathodic
Explain galvanization process.
protection.
as
(06 Marks)
(06 Marks)
(04 Marks)
-,''
4 a.
for"the,followin$':
Choose the correct answers
In chromium plating elecftoly,te used in the bath solution:
A) H2CrOa +H2SOa
B) KzCrOa + H2SOa
D)'None of these
C) HCIO+ + H2CrOa
Printed circuit boards are prepared by the process of:
i)
,1r
'
ii)
(04 Marks)
'
Electroplating
B) Electro polishing
C) Electroless plating
D) Electiofogilrng
iii) The ability of the plating bath to develop uniform coating on the entire surface of the
object is measured by its:
B) Decomposition potential
A)',eurrent density
power
D) Throwing power
. ; ,,,? Plating
iv) Polarization effect can be minimized by using:
A) Large electrode surface
B) Highly conducting solution
C) Low electrolyte concentration
D) AX of these
A)
b.
c.
d.
Explain the following terms:
i) Polarization
ii) Decomposition potential.
Explain how the following plating variables affect the nature of electro deposit:
i) Current density
i, pH
iil) Complexing agent.
What is electroless plating? Explain electroless plating of copper.
2of4
106
Marks)
(06 Marks)
(04 Marks)

3. t0cIJBtzt22
PART _ B
5 a.
Choose the correct answers for the following :
(04 Marks)
A knocking sound is produced in the internal combustion engine when the fuel:
i)
A) burns slowly
ii)
iii)
iv)
b.
B) burns fact
C) contains rain water
D) None of these
For good perflormance" the hydrocarbon molecules in a diesel fuel should be:
A) Straight chained
B) Branched chain
€) Side chained
D) Aromatic
Catalyic cracking of heavy oil is carried out to get better quatity:
A)
B) Diesel
C) Gasoline
D) Lubricating oil
Suitability,of diesel fuel is determined by:
A) octane number
B) propaae number
C) cetane numboi
D) butane number.
Kerosene
:'
Define calorific value. Explain how calorific value of solid fuel is determined by bomb
calorimeter.
c.
d.
,,,,,,,,,,
,,,
(07 Marks)
0.789 of coal containing i.9% hydrogen, when burnt in a bomb calorimeter, increased the
temperature of 2.7kg water from27.ZoCto29.7"C. If the water equivalent of calorimeter is
l.2kg. Calculate gross and net calorific value (specific neat of water 4.187 kJ/kg/"C, latent
heat of steam2457 kJ/kg.
(05 Marks)
Explain the purification of silicon by zone refining process.
.,for
AY
g
Io
t,j
<1
6 a.
i,
l)
Choose the correct answers for the following :
For water system the maximum number of degrees of freedo
i)
A)0
ii)
iii)
iv)
b.
c.
d.
c)2
D)4
When lead is progressively added to molten silver, the melting point of the resultant
alloy is:
A) raised
B) lowered
C) unaltered
The colorimetric analysis is based on:
A) Faraday's law
B) Beer-Lambert's
C) Ohm's law
D) Kohlrauen's law i
In potentiometric titration platinum electrode act as:
A) reference electrode
B) standard electrode
C) reduction electrode
D) indicator electrode.
Draw phase diagram of Fe-C system. Explain eutectic and eutectoid point.
Explain Pattinson's process of desilverizationof read.
Discuss the theory and instrumentation of potentiometric titration.
3
of4
(06 Marks)
(04 Marks)
(06 Marks)

4. tocrJBtzt22
7 a.
:
Choose correct answers for the following
(04 Marks)
A plastic which can be softened in heating and hardened on cooling is called:
i)
A)
i
ii)
iii)
C) Nylon
Chloroprene is the repeating unit
','"
iv)
b.
c.
d.
8 a.
thermoplastic
B) thermosetting
D) thermite
C) thermoelastic
Which of the following is an elastomer:
'A)
Polystyrene
C) PVC
D) Neoprene
in:
"'i
B) Neoprene ;"
D) Poly,thene
,,,,,
Thepiocess ofr,,ulcanizationmakes rubber:
A) Soluble in water
B) Soft
C) Hard '
D) Mo-re elasric.
What is glass transition temperature? Explain any three factors that influence the glass
transition
temperature.
(04 Marks)
Explain the manufacture of plastic by compression moulding and injection moulding
technique.
Give the synthesis
of
'
i) Tefloh; ii) Neoprene; iii)
Choose the correct answers for the fo{lowing
Total alkalinity in water is the sum of:
i)
ii)
A) OH- and CO]- ions , ,. "
iv)
::
:
(06 Marks)
(06 Marks)
(04 Marks)
. , l . B) OH- ions only
C) CO?- ions only ,: i,,,'
,,D) OH-, HCO?- and COI- ions.
The' indicator used in the determination of chloride context in water sample by
argentometric method
A) K3 [Fe(CN)sT
iii)
Polyurethane.
is
'
:
.;ii
B) KzCrO+
D) KzCNzOz ,'
c) Kz[Fe(eN)i]
Primary tr€atment of sewage is used to remove:
A),Suvpended and floating solids
B) Soluble inorganic solids
C)''Pathogenic bacteria
D) All of these
r fhs reagent used in the estimation of sulphate by gravimetric method is:
,: A) Phenol-di-sulphonic acid
B) Barium chloride
c) 2-SPADANS
D) Barium sulphate.
b. Discuss the determination of chloride in water by argentometric method.
c. How is alkalinity of water caused? Explain the determination of
_ phenolphthalein indicator.
d. Define COD. Explain the sewage treatment of activated sludge process.
*****
4of4
(06 Marks)
alkalinity by
(06 Marks)
(04
Marks)
,

5. t
rJ
1
C
1OMAT21
USN
Second Semester B.E. Degree Examination, Dec.201"3lJan.20l4
Engineering Mathematics - ll
Time: 3 hrs.
ci
Max. Marks:100
C)
o
L
Q
.,,,
Note: l. Answer any FIW
:,::,
:: ,...,, 3.
full
questions, choosing at least two from each
part.
,tiy:
Answer to objective type questions on sheets other than OMR will not be vuluedii'','",
,,.,,,,,.
()
I
3s
oo#
PART _ A
(04 Marks)
Choose the correct answers for the following :
i)'r Suppose the equation to be solved is of the form, y = f (x,0) then difft-rentiating x we
. .',gef equation of the form,
...:
,, ,
I
a.
,
.F
a; d[*,0,9) =
cly/
_-o
oo
ll
troo
.=N
6J
ii)
Y3
-'F
o0tr
Eb
>!
/6
69G
6.y
rd
o!e
o.J
The generalsolution of the equation, p2
iii)
a-^
bU
J./
:::,:::'
c)
B) of v,p.9] = o
dx)
A) (y+x-,.c:JQ+2x-c)
C) (-y-x-cXy-2x-c)=0
()tr
-c0)
a::
o
0(*, y, p,
=r.,,
,
D) g(x, y,0) = 0
-3p+2=0is,,
B)
(vr'x-c)(y-2x-c)=Q
D) (y-x-cxy*x-c)=Q
Clairaut's equation is of the form.
ts)iy=p'^+f(p) C) y=px+f(p) D)Noneofthese
iv) Singular solution of y: pf,* 2p2 is, ,n
A) y2+8y=g
B) i2*8y=g
C)r'+8y-c=0 D)x'+8y=g
(o4Marks)
b. Solve p2 +2pcoshx+1=0.
c. Find singular solution of p = sin(y -xp).
(06 Marks)
(06Marks)
d. Solvetheequation, y2(y-xp)=rop' ,ringru tion X=l and V=].
A) x=py+f(p)
".."""'::'::"'
x
z a.
O:
@tE
La)
J;i";.
v
choose the correct
tn rouo*ing
,i',,,,
A second order linear differential
hur, ""'
"quuiio, B) One afbifiary solution
A) two arbift*y solution
C) np arhitrary solution
D) None of these
ii)
-4i are the roots of A.E of a homogeneous linea differential
its. solution is,
B; C,e:t + C, cos 4x + C, th
i)
'
.
:,::::,,,
eWaffi
[r,j:f::::
> +i
ootro0
(04 Marks)
y'se
'lrrr'ri'r
o=
9O
'
',..' C) C,e2' + Cre* cos4x + C,e' sin 4x
iii) P.I. of (D + 1)2 y = e-^*3
tr>
=O
CJ:
U<
A)-x'
-N
o
2
iv)
a
a.
x3e*
6',
X3
J
"-**:
!*Y
+ Cre2'sin.
D)
{"-}
2
Particular integral of f(D)y = e*V(x) is,
!
o
B)
D; C,e2* cos4x
A)
9H
B)eu'frlur,.ll C)eu*ffi[u,,,1
g'v
dx'-39'v.*:9l-v =0.
dx' dx
b.
Sorve
c.
Solve y'
d.
Solve the system of equation,
-3y' -t2y
[t"'vt*l]
(04 Marks)
= 2sin xcosx
#
D)#.r)
(06 Marks)
- 2y = cos2t, S * 2x = sin 2t .
(06 Marks)

6. 1OMAT21
3 a.
Choose the correct answers for the following
i)
In
xy'-
0 if e' = x
(04 Marks)
:
then we get
x2y" as,
A) (D-l)v
B) (D+1)y
C) D(D+l)y
In second order homogeneous differential equation,
ii)
xzyo +
x:
A)
iii)
Y=
if
a is a singular point
Po(a) >
B) Po(a) +
0
The general solution or
"ll
A)
iv)
)'=C,x-C,-
0
C) &(a):0
r' 1'{ +r+-y
dx' dx
=0
Crx*cr,
B)
D) None ofthese
Po (x)y'+ P, (x)y'+ P, (x)y = S
D) P.(a) < 0
is.
C) C,x+Crx
D) C,x - Crx
Fiobenius series solution of second order linear differential equation is of the form,
,:e
6
A) xt!a.x'
f
B)
r=0
a,x'
C)
r=0
Ia,x'ir ' ''''
b.
c.
Solve
d.
D) None ofthese
Solve y' +a'y = secax by the method of variation of parameters.
obtain the series solution of "ldI', 2*n = 0 .
4a.
dx'
(06 Marks)
dx
PDE of
M+b = a2x+ y
is"
(06 Marks)
av
The solution of PDE
2,, =2y'
iii)
::
The,,,pulsidiary equations
.dxdvdz
al _=j_=_
,,..'"t"'l'..t"'
P
q
ir)
.:
c.
d.
g+Z=o
x(x)Y(x)
D)
ox oy
B) z"';*2
Z*4=,
dx
dy
y2 + xf (y) + g(y)
,
y- +z-
dz
xz
B) x(y)Y(y)
x
xz
D) None of these
In the method of separation of variables to solve xz"
ofthe form,
A)
b.
'^4
D) ,=y'+x{(y)+g(y)
of (y2 +22)p+x(yq -z)=0 arb,
dx _dy _d,
--------=
u)
R
^ )dx )- dy
y- +z' xy
c
is"
A) z=x2*#ril"ig(v)
C) z=x2y'iflx;+g(x)
''1i,
(04 Marks)
:
'
B q 9=o
'dx
x 9.9=t
dx (N
ii)
(04 Marks)
*,Q+4x9+2y=e^.
l
Choose the correct answers for the following
i)
,
*zr=0
c) x(t)Y(t)
the assumed solution is
D) X(x)T(t)
"":::',,,,
11.l-
Solve
+=cos(2x+3y).
Ax'Ay
xp-yq =y' -x'
Solve 3u* + 2r, = 0 by the separation of variable
(04 Marks)
Solve
(06 Marks)
method given that
u:4e-* when y:
0.
(06 Marks)

7. 1OMAT21
5 a.
PART
-
Choose the correct answers for the following
D
(04 Marks)
:
lx2
JJ.xaya"
=
00
A)1
c) u2
B) - 1t2
D)
None ofthese
l[ f 1x, y;dxdy by changing to polar form becomes,
A) l[Otr,e)a.ae B) llr(r,0)drd0 c) l[rlr,eyrarae o;
ii)
ll41r,e)rdrdo
The integrat
iir)
For a real positive number n, the Gamma function
A)
.
iv)"
B
j*'-'.-.d*
f(n)
=
I
B) i*'-'.-'o*
C) Jx'e-.dx
00
0
The Beta and Gamma functions relation for B(m,n) =
4,
Pril
I (m-n)
s,
+:+(,:)
l
(m + n)
By changing the order of integration evaluate
ax
::,
x+y
c.
Evaluate II
d.
Express the integral
I.-.'''O
,
C)
,,
r(m)r(n)
^!t'j:O+
^ "lY^
-,
o
D)
y,;dydx. a > 0.
,:,
zdydx.
t,
6a.
in terms of the Gamma function. Hence evaluate
I+
o!l-X
Choose the correct answers for the following
D
The scalar surface integral
region R is given
'r't '
O1'[x'e-.ax
of i ore,
by, f?."ar :
-*
iav '
'f
lw
d*
(06 Marks)
(04 Marks)
:
s, where s is a surface in a three-dimensional
Uy s divergence theorem.
?a*oy
iit
s) lJv
cr -vD) None orthese
v
S If all the surface are closed in a region containing volume V then the following
iii)
theorem !,s applicable.
A) Stoke's theo.rem B)Green's theorem C)Gauss divergence theorem D)None of these
The value of [(Z"y-*'h*+(x' +y'])dy] by using Green's theorem is.
. J )
J --Q -
A) IIIv
iv)
ffJv.iav
J
A) Zero
fff.nas : _,
JS
*' +y' +22 =a2
B)
One
where f :
C) Two
xi+yj+2k and S
DJ Three
is
the surface o,f the
sphere
A) 4na
b.
c.
g7 4xa3
B) 4na2
D) 4n
Find the work done by a force f =(2y-x')i +6yzj-Bxz2k fromthe point (0,0,0) to the
point (1, 1, 1) along the straight-line joining these points.
(04 Marks)
If C is a simple closed curve in the xy-plane, prove by using Green's theorem that the
integral llt"Or-ydx)| representstheareaAenclosedbyC. Henceevaluate
,J ". rs/ - -r- ---.---
4*-L _,
=,.
A- b,
.
(06 Marks)
d.
Verify Stoke's theorem fo.
*' + y' +22 =I.
i =(2x-y)i-yz' j-y'zk
for the upper half of the
sphere
(06 Marks)

8. 1OMAT21
7 a.
Choose the correct answers for the following
D
L[t"1=
.n
A)'
ii)
S
n!
c)
'
"_,
S
p1
'
n-1
A
qn+l
L[e-3'1 =
1
a
-l
A)
-
s-3
et
C)
lrD-a)J-
A) e'f(t)
in terms of unit
,,i...',',.,, ,,,
e^
::,,,,,,
.
-2)
D) e-^
,'.,.
(06 Marks)
function and hence find their Laplace
(04 Marks)
(04 Marks)
C)
,i
pl
--f-S'+a'
.--l
S'-a'
,
.,.,..,,,1:
,,,:,... B) e"tf(t)
C) e--'f(t)
D) None of these
:
A) sin t
h
ts)sinh at
:
at
^ sin at
C;.-_-
tc)t''?
1,
1i,
,_.
sinh
t
,,i:,;
convolution theorem condition,
B) Satisfied with some condition
D) None of these
2sr -6s+ 5
b.
Find the inverse Laplace trans
c.
Find
()
l, ]+^|
l(s-lxs'+4)J
d.
Solve differential equation
y'(0).
....
:
_ _
,,!1, ,i!
y(0) = 0 =
(s
"""'::
S-
.l /rl
iii) L-r]cot-rl+ ll=
L s'll
I
s.tep
--l,',,;;;..
-a-
t
For the function (t)
A) Not satisfied
C) Satisfied
D)
,''
(06 Marks)
sy
'::.'.""":"tt"'""""
M
,,,
".!j'".
Choose the correct answers for the foilowing
L
a
1,
J
I
+a-
J
: lz.. o<t<3
[,, t > 3
;:,,,r
li o<t<2
d. Express f(t)= j4t 2<t<4
[a t>4
transform.
S-
s-3
a
c)
B)
given rhar f1r;
-,
ai --!-
1
D)
s+3
B)
' (s -2)o
ry,,1,t,p;t
b. Evaluate Lisin'Zt)
L{(t)}"
s+3
3!
A).--_
(s + 2;o
't{ 6rt - 1)} =
Find
I
c)
is equal to,
3!
iv)
1
B)
r{r1t-a)H(t-a)}
iii)
8 a.
n
B)
sn+l
c.
(04 Marks)
:
^
(s
-
1)(s
-
2Xs
-3)
.
.rsing convolution
theorem.
(06 Marks)
y'(t)+y=F(t), where af,l={? 0<t<1. Given
12 r>l
that
(06Marks)
*****
4of4

9. 10ccP13/23
USN
First/Second Semester B.E. Degree Examination, Dec.2013 lJan.2ol4
Gomputer Goncepts and G Programming
Time: 3 hrs.
()
Max. Marks:100
l$ote: l. Answer uny FIW full questions, choosing at leust twofrom each part.
, 2. Answer all objective type questions only in OMR sheet page 5 of the ans|eer,,booklet.
' .,3. Answer to objective type questions on sheets other than OMR will not be valaed.
(f
o
_A
Choose the correct answers for the following :
i) Which of the following is not a type of keyboard connector?
A) 5.pin connector
B) 6-pin conneetor
C) 8-pin connector
D) USB-conneCtor
ii) Which of the following is not an output device of a computer?
la.
(.)
(.)
te.
I
troa
.=N
d<f,
b.
c.
d.
a:
oc)
(co
2 a.
o0i
a6
Who is called the father of the computer?
A) Balise Pascal
B) Charles Babbage
C) Joseph Jacquard
D) Dr. Hewrman Hollerith
iv) Which generation of computers is covered by the period 1964-197l?
A) First
B) S-econd
D) Fourth
C) Third
(06 Marks)
Briefly explain about the various generatiorud of computers.
With a neat figure" explain how instructions are processed by the CPU.
(05 Marks)
(05 Marks)
Describe briefly about the various,keys present on a standard keyboard.
Choose the correct answers f,or the following
Which is a secondary memory device?
i)
ii)
oi=
iii)
p- 6.
orv
()j
o=
4tE
!(J
-c.=
>!
bov
tr oll
o=
so
F>
=o
o
rr<
0.)
a
A) CPU
"
rB)
:
4I-LI
(04 Marks)
C),FiBppy
disk
D) Mouse
If you want to exe-cute more than one program at a time, the systems software that you
must be capable of
A) wordpcessing B) virtual memory C)'compiling D) multitasking
A traaslatbr which reads an entire program written in d.high level language and
converts it into machine language code is
A) assembler B) translator
C) compiler
,WhichofthefollowingisnotanApplicationSoftware?
D) system software
B) Spreadsheet
D) Desktop publishing
,, b.
' Explain in detail about the construction and operation of the hard disk drive.
. Briefly write about various computer processing techniques to process data.
,,
,, ' d. List the different network components with examples.
A) Word processing
C) UNIX
3 a.
Choose the correct answers for the following :
The flowcharting symbol Diamond Shaped Box indicates
A) Start
B) Process
C) Decision
Which of the following is not a keyword in C?
i)
ii)
f
o
D) CRT screen
,..
do
o>
o=
VDU
(04 Marks)
,,,,
sT
og:
o
-7
C)
iii)
6e
-o0
:-
PART
gj
,,,,'
iii)
iv)
step
A)
:,,,,,,,,,,,
(05 Marks)
Marks)
(04 Marks)
(07
D) End
ctFd?5c&6_
char
break
D) long
scanf
printf
D) putchar(
B)
C) triangle
Which of the following is an input function?
A)
B)
C) puts( )
Which of the following is a valid integer?
A) -2s0
B) 4,442
c) -31.89
I nf ?
D) +3,728.2
L!&8{JtftY

10. 10ccPt3t23
3b.
c.
d.
4a.
What are the different built-in data types available with C?
With an example, explain the structure of a typical C program.
Briefly write what do you mean by the C tokens.
Choose the correct answers for the following :
which of the following is not a relational operator in
i)
A)<
ii)
iii)
"
iv)
(06 Marks)
(06 Marks)
(04 Marks)
(04 Marks)
c
language?
B)>:
c)1:
D) &
which of the following is a special operator in c language?
A) sizeof ( )
B) log (x)
C) exp (x)
D) sin (x)
-'
The unary operator in c are used to act upon only
operand.
A) one
B) two
C) three
D) four
If b: 10 and d:3, what is the result for b%d operation?
. p'<r.ne
B)
two
C) three
b.
Exllain relaiional operators in C, with examples.
c.
D) 3.33
the Unary operatoi in C language.
Jiit11 ?n."rldpl.: ..xplain
Explain in detail ii.bout Bitwise operators in C languag. -
d.
5a.
stdio.h
A)
B) conio.fu
'
c)
string.h
c) no parameters , '
which of the rolio*ing return
A '-^+,,-.^
A) return
A) actual parameters
statements
#d##n"ij'r'".',io,
c.
d.
,;{ "T$l' .j} l-<
'Y* LISI" 'i t }$
tno'
,*
*ith functiJi.
(04 Marks)
the correct answers for the following :
(04 Marks)
lhoo9e
i) which of the following looping construct is an entry controlled loop?,
A) while
B) do-while
C) foi
b; none of these
ii) which of the following is a conditional statement that tests a ril';;;i;ri^jin..",
/
"
Which of the following is not a jump statement?
A) break
B) continue
C) go to
D) for
iv) Which of the following is an exit controlled loopl?
A) if
B) do-while
C) while
D) if_else
Write and explain the declaration syntax for while and do...while loop.
(p4Marks)
write a program to compute the sum ofN numbers using the for loop.
(06 Marks)
Write a program to check whether the given alphabet is a vowel or not using
switch
iii)
b.
?
,in**_
ofthese
synrax. .
,)fiffi,
examples. (08 Marks)
,
6a.
as
/
*D;;;;i,h;;;"'""
B) formalpuru.n"t.r, f
'
:i
B) return(0)
C)
D) none
what is a function? Describe wirh declaration
parameters to tunction with
?,::,^O:]l:,_tr.*?rr.ofpassing
Write a prog-ram to test whether or not a given integer number ir pri'"r.
return(expregsion)
(04 Marks)
D) math.h
Parameters passed as arguments to the function call a1e called
iv)
c.
d.
(06 Marks)
affi
iii)
b.
(06 Nlarks)
(04 Marks)
choose the correct
p.lh:.
i) The function that calls itself is called ai
A) forwarding function
gf conditional function
C) recursive function
D) backward function
ii) The main( ) function work is defined,ih ' library.
f;;r*
..,
statement.
(06 Marks)
2 of3
l.:
-E)
$r

11. t0ccPt3l23
7 a.
:
Choose the correct answers for the following
In an array a[5] {10,20,30, 40, 50}; the element 40 is designated as
:
i)
(04 Marks)
c.
B) a[1]
c) a[3]
D) a[a]
20,30,40, 50,60};the a[0][1] element is
{10,
A) 10
B) 40
D) 20
c) 60
Which of the following string handling function is used to add two strings?
A) strcat( )
B) strncat( )
C) strcmp( )
D) strlwr( )
iv) Which of the following string handling function is used to compare two strings?
A) strlen( )
B) strcmp( )
D) strev( )
C) strcpy( )
Define ar.array. How are they declared in C language?
(04 Marks)
Write a program to read two matrices from keyboard and print the sum of two *u,r,r11:r--
d.
(07 Marks)
(05 Marks)
ii)
A) afol
In an array int a[2][3]
:
iii)
8 a.
Write a program to test whether the given string is a Palindrome or
not.
:
Choose the correct answers for the lollowing
(04 Marks)
Thread is defined as
stream of control flow in a program code.
A) zero
B) single
C) control
D) none of these
Open MP programrning model offers parallel directives for
A) Shared Memory Access
B) Zero Memory Access
i)
_
ii)
iii)
iv)
C) Multiple Memory Access
execution of instructions
computing.
A)
Serial
Open MP stands for
B)
_.
D) None of these
in a computer system is referred to as parallel
Sequeniial
A) Open Multi-Parallelism
b.
c.
d.
C)
Accurate
D) Simultaneous
.
,
,
B) Organized Multi-Programming
C ) Open Multi-Processing
D) Organized Multi-Parallelism
What are threads? Give thedvantages and disadvantages of multiple threads. (06 Marks)
Bring out the scope for Pefallel computing.
(06 Marks)
Explain "Parallel computing" in detail.
(04 Marks)
CEF{TRAL
LIS&ARY
3
of3

12. 10ELN15/25
USN
First/Second Semester B.E. Degree Examination, Dec.2013 /Jan.20l4
Basic Electronics
(.)
()
()
Time: 3 hrs.
Max. Marks: I00
!
o.
a
(.)
Note: I. Answer any FIVE full questions, choosing at leust two from each part.
2. Answer all obiective type questions only on OMR sheet page 5 of the answer booktet.
3. Answer to objective type questtons on sheets other than OMR witt not be valuecl.
I
oX
PART _ A
I a.
-^i
Choose the correct answers for the following
The knee voltage of a silicon diode is
ECO
.iI
.= c
ii)
Etr
Otr
iii)
-co
!ts
A) 0.3V
B) 0.5V
The efficiency of full waves rectifier is
The missing
(04 Marks)
:
i)
c) 0.7v
about
c) 1.21
terms inthe forward diode current is I,
D) None of these
%
D) 81.2
= Io[e'1v. -11
A) Vn
o:
B) rl
C) Vs
D)e
iv) The zener diode is mainly used in
A) Comparator B)Regulator
C) Multivibrator D) None of these
Discuss the behaviour of p-n junctions under:
i) No bias: ii) Forward bias: iii) Reverse bias.
(06 Marks)
Explain the operation of full wave bridge rectifier with neat circuit diagram ,"0 *A1eff;p;
:
oo)
b.
b0i
c.
6+
96
d.
=9
A zener diode has a breakdown voltage of 10V. It is supplied from a voltage source varying
between 20-40V in series with resistance of 820er, using an ideal zener diode model obtain
minimum.and maximuryZener
currents.
(04 Marks)
o-X
o.e
(Jj
u=
@(E
2 a.
!(j
> q-
trbo
=.o- :'i
:o
a.
C) a variable capacitor
D) a variable resistor
iD Ifthe base emitter junction is open, what is the collector current
A)lmA
B) 2mA
C) l0mA
D)0
The
transistor is used for impedance matching
A)
B)
C) c-C
D) None
cr of a transistor is 0.99 calculate p
A) p :0.9
B) B :90
C) B:99
D) B:0.09
Draw the common emitter circuit and sketch the output characteristics, explain active region,
cutoff region and saturation region by indicating them on the characteristic curve. (08 Marks)
With a neat circuit diagram explain the working of transistor used as voltage amplifier.
iv)
-(.l
()
o
i)
iii)
o-
(r<
Z
Choose the correct answers for the following :
When transistor operated in cut offand saturation. it acts like
A) a linear amplifier
B) a switch
b.
_
C-B
C-E
For a certain transistor, gg.6%of the carriers injected into the base cross th.
"oil::1#ff]
junction. If the leakage current is 5pA and the collector current is 20mA, calculate: i) The
value of oc; ii) the emitter current.
(04 Marks)
1
of4

13. 10ELN15/2s
3 a.
Choose the correct answers for the following
The best biasing stability is achieved by
i)
A)
Fixed
ii)
C) Voltage divider
In self bias or emitter bias circuit
iii)
:
using
B) Collector to base
D) None of these
is connected between emitter and ground.
C) Resistor
The stability factor is given by
_
D) Zener diode
dr
_ dL,
B) *'u
A) "'co
'dt,
dl.u
r. --'
D) dl"
dl.o
c
c) dlu
' -
dl.o
iv)
The operating point must be _
A)
(04 Marks)
biasing method.
High ::
C) Increasing
,r
for the proper operation of transistor
B) Stable
D) Decreasing
ii',,.
b.
With a neat circuit diagraq explain the working of an collector-to-base bias circuit using an
(06 Marks)
npn transistor and derive the equation for In. ''- ,,,
c.
Determine the operating point for a'silioon transistor biased by base bias method with
: 100, Rs:500KfJ, Rc:2.5KO anqVis:20V. Also drawthe load line. (06 Marks)
B
d.
Derive the stability factor S for base bias
.
4 a.
..
':,-
circ,uit.
(04 Marks)
:
(04 Marks)
Choose the correct answers for the following
With gate opeq ifih; supply voltage exceeds the'break over voltage of SCR, then
SCR will con(u0t
i)
ii)
A) False
C) Onlv for D.C
The SCR is
A)
...,
iiD
iv)
c)
NPN
a
B) True
D) Only for A.b
:
device
PJPN
B) PNP
D) PNN
UJT
B) SCR
D) BJT
A relaxation oscillator uses _
A) MOSFET
C)
FET is a _controlled device
A) Voltage
C) Power
B) Current
D) None of these
b.
Explain the construction of n-channel JFET and give its symbol.
(06 Marks)
c.
d.
Write and explain the equivalent circuit of UJT.
(05 Marks)
Explain the two transistor model of SCR.
(05 Marks)
2of4

14. tOELN15/25
PART
5 a.
-
Choose the correct answers for the following
Oscillator uses
type of feedback
i)
B
(04 Marks)
:
_
Positive
C) Reverse
A)
ii)
iii)
iv)
B) Negative
D) None of these
The total phase shift around a loop must be _
for the sustained oscillations
A) 180.
B) 360'
c) 90"
D) 270"
The frequency response is a graph of
A) freouency v, current gain
B) frequency v, voltage gain
C) frequency v, output voltage
D) liequency vs input voltage
In RC coupled amplifier the d.c component is blocked by,,,,,
A) Load reiistance Rr.
B) Couplihg capacitor, C6
C) Re
D) The transistor
,,,
With a neat circuit diagram, explain the workireg
amplifier.
of a two
,,
c.
d.
6 a.
stage capacitor coupled CE
(08 Marks)
Explain with the help of circuit diagram the working of an RC phase shift oscillator using
transistor.
(06 Marks)
Find the frequency of the oscillations of transistorized Colpitts oscillator having tank circuit
parameters as Cr 150pF, Cz= 1.5nI and L:50prH.
(02 Marks)
:
Choose the correct answers for the lollowing :
(04 Marks)
In an inverting amplifier there is
phase shift between input and output.
i)
A) 0'
ii)
iv)
B).90"
c)
180.
Ideally open loop gain of op-amp is
A)0
iii)
_
,
D) 360"
_
B)1
c)*
CEUTRAL
LBts$T*F'V
D) Negative
When op-amp used as integrator with input as square wave the output w
A) Ramp
B) Triangular wave
C) Cosine wave
D) Step
Lissajous figures are used to measure
difference between sinusoidal signals
A) Phase
B) Amplitude
C) Frequency
D) None of these
b.
Write the ideal op-amp characteristics.
(06 Marks)
c.
Show with a circuit diagram how an op-amp can be used as differentiator.
(06 Marks)
d.
Explain how current measurement is done using CRO.
(04 Marks)
3
of4

15. t0ELN15/25
7 a.
Choose correct answers for the following
i)
(04 Marks)
:
Which of the following is invalid BCD code?
B) 1101
D) 1001
A) 0011
c)
ii)
iii)
iv)
0101
Given the number (8BF)r6, what is the positional weight of the 8?
B) 2s6
A) 16
D)
c) 40e6
(64)rc- (a6)s in binary is
B)111101100
A) 111101101
D) l r00il0
c),111110
The relation between carrier power and total power in an AM wave
8192
::
A)
c)
b.
c.
d.
8 a.
Pc=r,[,.+)
P, =
B) P.
*[,.+)
:
)
:
=*('.T)
D) P. =p.(t*
t.)t
-')
.J
(06 Marks)
Determine the value of base x, if i; {225)*: $al)s; ii) (211),: (152)s.
(04 Marks)
Perform subtraction using 2's complement method I l0l - 1010.
Draw the block diagram of super helerodyne receiver and explain the functions of each
(06 Marks)
block.
Choose the correct answers fo.
i)
ti"
De Morgan's theorem siates
following: '
that A + B is
At a+e
i,
iii)
c)AB
(04 Marks)
B);A;B
':D) A+B
,
_
Universal gate,s are
and
B) AND and 0R
A) NOT and NOR
D) XOR and XNOR
C) NAND and NOR
For.which gate when the two inputs A and B are equal the output is zero and otherwise
one?
A) NAND
iv)
An half adder has two inputs and
A) ONE
C)
b.
c.
d.
_
THREE
B) NOR
D) EXOR
outputs
B) TWO
D) None of these
Implement EX-NOR gate using only NOR gates.
(04 Marks)
Simpliiy AB+AC+AeClen+C1.
(06 Marks)
Implement fulI adder using two half adders and one OR gate. Write the equations for sum
and
(06 Marks)
Cnr1.
4of4

16. l0cIP18/28
Question Paper Version
USN
:
C
I I Il Semester B.E Degree Examination, Dec.2013/Jan.20l{
CONSTITUTION OF II{DTA AND PROFESSIONAL ETHICS
(coMMoN TO ALL BRANCHES)
[Max. Marls: 50
Time: 2 hrs.]
TNSTRUCTIONS TO THE CANDIDATES
1.
2.
3.
4.
5.
Answer all the fifty questions, each question carries one mark.
Use only,Black ball point pen for writing / darkening the circles.
For each 4UC.ptioo, after selecting your answer, darken',tfe appropriate circle
corresponOini tri e same question number on ttre
sheet.
Darkening two
cirii*
,,',,,,,i'
fqr the same question makes
iii
unr*.r invalid.
Damaging/overwriting, using whiteners on the OMR sheets are strictlr,
prohibited.
1.
a) Chief
minister
b)
Governor
The Mandal commission for backward classes was setup in,
a) 1987
b) 1978
c) 1996
3.
d)
c) Lok Sabha
President
d) 1986
According' to 44th Amendnrent of 1978 the right to properly was emitted as a fundamental
right and made it a
a) Social right ,,, b) Legal right c) Universal right
d) None of these
Groupthing:,.,.
a) Gives u gpod r.rrlt
c) Widm3' riur knowledge
b) Leads to a better result
d) Is an impediment to responsibility
Ow eonstitution prohibits
:
a) Untouchability
5.
b) Freedom
c) Liquor
d) Politics
.6.. The chief minister of a state is appointed by the:
a) Speaker
c) Prime minister
7.
b) Chiefjustice of high court
d) Governor
Exclusion of Creamy layer makes a backward class:
a) Socially backward
b) Truly backward
c) More backward
d) Economically backward
Special majority means more than,
a) 50% majority
c) 75% majority
b) Two-third majority
d) 60ohmqority
-c1-

18. 10crP18/28
The final stage of the election process is:
a) Polling
c) Announcement of results
24.
b) Counting of votes
d) None of these
The Indian Federal system is based on the Federal system of,
a) Canada
d) Newzealand
b) usA
c) France
25. Engineers must:
Ethics
a) Recognize the value of a code of
c) Look upon a code of ethics as a sacred
writ
b) Support a code of ethics
d) Both (a) and (b).
26. The president can appoint to Lok Sabha from Anglo Indian community:
a) Two persons b) One person
c) Five person d.) Three persons
-
27.
Amendment of the constitution refers to :
Rural local bodies
a)
b) Right to property
c) Urban locat bodies
d) None of these
28.
Which article of the,constitution provides protection to the civil servants?
a) 315
d) 388
b) 311
c) 368
29.
The party system in India can be described as:
a) Bi-party
c) Single party
b) Majority
74th
party
d) Multi party
The phrase economic justice is found in,
a) Fundamental rights and fundamental duties.
b) Preamble and Directive principles of state policy
c) Fundamental duties and directive principles of state policy
d) Fundamentalrights and fundamental duties.
31.
The Controller and Auditor General acts as the,
a) Guardian of public finances
b) Chief legal advisor of the governmenl
c) Guardian of public interests
d) Guardian of fundamental rights
32.
The system of legislature in the state of Karnataka is:
a) Bicameral
b) Unicameral
c) Cameral
d) Multicameral
33. Voting age of citizens is changed from 21 to 18 years by
Constitutional
Amendnrent Act:
a>..42"d
34.
b) 56th
c) 61't
d) 76th
Writ of prohibition cannot be issued against the :
a) Judicial functions
c) Acts of lower courts
35.
36.
b) Legislative functions
d) Quasi - Judicial functions
'Fault Tree' is used:
a) To trace the risk
c) To trace the result
b) To assess the accuracy
d) To assess the risk
How many subjects are there in the central, state and concurrent list:
a) 97,66 and 47
b) 47,66 and 98
c)97,47 and65
d) 47,96 and 55
-c3-

20. 10crv18/28
Question Paper Version
USN
:
D
First/Second Semester B.E Degree Examination, Dec. 2013 I Jan.2014
Environmental Studies
(coMMoN TO ALL BRANCHES)
[Max. Marks: 50
Tirne: 2 hrs.]
1.
2.
3.
INSTRUCTTONS TO THE CANDIDATES
Answer all the fifty questions, each question carries ONE mark.
Use only Black ball point pen for writing / darkening the circles. "
For each question, after selecting your answer, darken
,the
,
,appropriate circle
corresponding,,to the same question number on the OIVIB sfreet
4.
5.
Darkening two circles for the same question makes the answer invalid.
Damaging/overwriting, using whiteners on the OMR sheets are strictly
prohibited.
l.
2.
Liquefied petroleum gas is a mixture
a) Methane and ethane
c) Methane and butane
4.
5.
::
b)
Propane and butane
Methane and propane.
d)
Best environmental clean ahernative fuel is
a) CNG
3.
of
b) Diesel
c)
Nuclear power plant in,Karnataka is located at
a) Bhadravatht , O, Sandur
Coal
d)
c)
Kaiga
d)
fitting
b) Wet scrubber
d) All of these
Air pollution:ftom automobiles can be controlled by
a)
c)
Electrostaticprecipitator
Catalf,ticconverter
Which of the following is a natural source of environmental pollution?
Sewage
b) Industries
c) Automobiles
a)
Petrol
"'
d)
6.
Liquid waste generated from bathrooms and kitchens are called
a) Domestic sewage b) Run off
c) Salvages
7.
The max average permissible noise levels during day time hours as per environment protection
act in India is
a) 30dB
c) 50dB
d) s5 dB
b) 4sdB
8.
Demography is the study
a)
Animal
of
behaviour b)
c)
Geography
-Dl
-
Rivers
d) Allthe these
d)
Population groMh