Page 1
Engineedng Set (P) Exam,2019
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
T.B.C. : VBY-S-ETE
Test Booklet Series
11111
Serial
.2 *7'
TEST BOOKLET
ELECTRICAL ENGINEERING
Time Allowed: Three Hours Maximum Marks: 300
INSTRUCTIONS
IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT
THIS TEST BOOKLET DOES NOT
HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS,
ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test
Booklet Series Code A, B, C or 13 carefully and without any omission or discrepancy at the
appropriate places in the OMR Answer Sheet. Any omission/discrepancy will render the Answer
Sheet liable for rejection.
You have to enter your Roll Number on the
Test Booklet in the Box provided alongside.
DO NOT write anything else on the Test Booklet.
This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You
will select the response which you want to mark on the Answer Sheet. In case you feel that there is
more than one correct response, mark the response which you consider the best. In any case, choose
ONLY ONE response for each item.
You have to mark all your responses ONLY
on the separate Answer Sheet provided. See directions
in the Answer Sheet.
All items carry equal marks.
Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your
Admission Certificate.
After you have completed filling in all your responses on the Answer Sheet and the examination has
concluded, you should hand over to the Invigilator
only the Answer Sheet.
You are permitted to
take away with you the Test Booklet.
Sheets for rough work are appended in the Test Booklet at the end.
Penalty for wrong answers:
THERE WWI BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
There are four alternatives for the answer to every question. For each question for which a wrong answer
has been given by the candidate, one-third (0.33) of the marks assigned to that question will be
deducted as penalty.
If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given
answers happens to be correct and there will be same penalty as above to that question.
If a question is left blank, i.e., no answer is given by the candidate, there will be no penalty for that
question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
VBY-S-ETE ( 1 — A)
Page 2
Engineedng Set (P) Exam,2019
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
T.B.C. : VBY-S-ETE
Test Booklet Series
11111
Serial
.2 *7'
TEST BOOKLET
ELECTRICAL ENGINEERING
Time Allowed: Three Hours Maximum Marks: 300
INSTRUCTIONS
IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT
THIS TEST BOOKLET DOES NOT
HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS,
ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test
Booklet Series Code A, B, C or 13 carefully and without any omission or discrepancy at the
appropriate places in the OMR Answer Sheet. Any omission/discrepancy will render the Answer
Sheet liable for rejection.
You have to enter your Roll Number on the
Test Booklet in the Box provided alongside.
DO NOT write anything else on the Test Booklet.
This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You
will select the response which you want to mark on the Answer Sheet. In case you feel that there is
more than one correct response, mark the response which you consider the best. In any case, choose
ONLY ONE response for each item.
You have to mark all your responses ONLY
on the separate Answer Sheet provided. See directions
in the Answer Sheet.
All items carry equal marks.
Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your
Admission Certificate.
After you have completed filling in all your responses on the Answer Sheet and the examination has
concluded, you should hand over to the Invigilator
only the Answer Sheet.
You are permitted to
take away with you the Test Booklet.
Sheets for rough work are appended in the Test Booklet at the end.
Penalty for wrong answers:
THERE WWI BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
There are four alternatives for the answer to every question. For each question for which a wrong answer
has been given by the candidate, one-third (0.33) of the marks assigned to that question will be
deducted as penalty.
If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given
answers happens to be correct and there will be same penalty as above to that question.
If a question is left blank, i.e., no answer is given by the candidate, there will be no penalty for that
question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
VBY-S-ETE ( 1 — A)
1. What are the values of k for which the system
of equations
(3k-8)x+ 3y+ 3z=0
3x + (3k — 8)y + 3z = 0
3x + 3y + (3k — 8)z = 0
has a non-trivial solution?
k = —
2
, —
11
—
10
3 3 3
2
k 10 11
3 3's
11 11 11
k=—,--
3
3'3
2 11 11
(d)
3 3 3
;.1
The solution of the differential equation
x -— x 2 „ T d2Y dY + y log x is
dx dx
y = (ci + c2x) log x + 2 log x + 3
y = (ci + c2x2) log x + log x + 2
y = (ci + c2x) log x + log x + 2
y=(c1 -Ec2 logx)x+logx+ 2
5. The area between the parabolas
y2 = 4ax and x2 = 4ay is
(a) —
2
a
z
3
(b)
1 a2
3
2. If
2+1 3 —1+3i
A=
—5 i 4 — 2i
then AA* will be
(where,
At
is the conjugate transpose of A)
Unitary matrix
Orthogonal matrix
Hermitian matrix
Skew Hermitian matrix
3. If y = — 3x2 + 3x —10, the value of A3y will
be
(where, A is forward differences operator)
(a) 10
(b) 11
(c) 12
(d)
13
16 2
— a
3
7
1 — a2
3
6. The volume of the solid surrounded by the
surface
(x)2/3 FD rz)2/3 = 1
a) (13) (c)
is
4n abc
35
abc
35
abc
35
it abc
35
VBY-S-ETE ( 2 — A )
Page 3
Engineedng Set (P) Exam,2019
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
T.B.C. : VBY-S-ETE
Test Booklet Series
11111
Serial
.2 *7'
TEST BOOKLET
ELECTRICAL ENGINEERING
Time Allowed: Three Hours Maximum Marks: 300
INSTRUCTIONS
IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT
THIS TEST BOOKLET DOES NOT
HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS,
ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test
Booklet Series Code A, B, C or 13 carefully and without any omission or discrepancy at the
appropriate places in the OMR Answer Sheet. Any omission/discrepancy will render the Answer
Sheet liable for rejection.
You have to enter your Roll Number on the
Test Booklet in the Box provided alongside.
DO NOT write anything else on the Test Booklet.
This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You
will select the response which you want to mark on the Answer Sheet. In case you feel that there is
more than one correct response, mark the response which you consider the best. In any case, choose
ONLY ONE response for each item.
You have to mark all your responses ONLY
on the separate Answer Sheet provided. See directions
in the Answer Sheet.
All items carry equal marks.
Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your
Admission Certificate.
After you have completed filling in all your responses on the Answer Sheet and the examination has
concluded, you should hand over to the Invigilator
only the Answer Sheet.
You are permitted to
take away with you the Test Booklet.
Sheets for rough work are appended in the Test Booklet at the end.
Penalty for wrong answers:
THERE WWI BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
There are four alternatives for the answer to every question. For each question for which a wrong answer
has been given by the candidate, one-third (0.33) of the marks assigned to that question will be
deducted as penalty.
If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given
answers happens to be correct and there will be same penalty as above to that question.
If a question is left blank, i.e., no answer is given by the candidate, there will be no penalty for that
question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
VBY-S-ETE ( 1 — A)
1. What are the values of k for which the system
of equations
(3k-8)x+ 3y+ 3z=0
3x + (3k — 8)y + 3z = 0
3x + 3y + (3k — 8)z = 0
has a non-trivial solution?
k = —
2
, —
11
—
10
3 3 3
2
k 10 11
3 3's
11 11 11
k=—,--
3
3'3
2 11 11
(d)
3 3 3
;.1
The solution of the differential equation
x -— x 2 „ T d2Y dY + y log x is
dx dx
y = (ci + c2x) log x + 2 log x + 3
y = (ci + c2x2) log x + log x + 2
y = (ci + c2x) log x + log x + 2
y=(c1 -Ec2 logx)x+logx+ 2
5. The area between the parabolas
y2 = 4ax and x2 = 4ay is
(a) —
2
a
z
3
(b)
1 a2
3
2. If
2+1 3 —1+3i
A=
—5 i 4 — 2i
then AA* will be
(where,
At
is the conjugate transpose of A)
Unitary matrix
Orthogonal matrix
Hermitian matrix
Skew Hermitian matrix
3. If y = — 3x2 + 3x —10, the value of A3y will
be
(where, A is forward differences operator)
(a) 10
(b) 11
(c) 12
(d)
13
16 2
— a
3
7
1 — a2
3
6. The volume of the solid surrounded by the
surface
(x)2/3 FD rz)2/3 = 1
a) (13) (c)
is
4n abc
35
abc
35
abc
35
it abc
35
VBY-S-ETE ( 2 — A )
11. If X is a discrete random variable that follows
Binomial distribution, then which one of the
following response relations is correct?
P(r + 1) — n — rP(r)
r + 1
P(r + 1) = P(r)
P(r + 1) = n r P P(r)
r + 1 q
P(r + 1) =
n—rP P(r)
r + 1 q
12. If the probability that an individual suffers a
bad reaction from a certain infection is 0.001,
what is the probability that out of 2000
individuals, more than 2 individuals will
suffer a bad reaction?
(a)
1 5
2 e2
5
(b) 1.2 —
e`
(d)
5
e2
13. Materials in which the atomic order extends
uninterrupted over the entirety of the
specimen; under some
may have flat faces
shapes, are called
Anisotropy
Crystallography
Single crystals
Crystal system
circumstances, they
regular geometric and
7. The solution of the partial differential
equation
x2
f
f
— a x a Z + y2
11 1 ,
y
1 xy
Xy Z
— a c z
z)
=
fl.0
x y ) z is
_
0
( f
f (
1. 1 , xyz) _ 0
x y
1 ± 1 + 1 xy 0
x y z z
— 1 (cos a + i sin a)
2 4 4
— 1 (cos L C 1- i sin It
2 2 2
(C)
2
(d) — 1 cos — it + i sin —
2'6 6
9. If n is a positive integer then,
(
+ +R — if' is
n . nn
2 sin —
6
2n cos —
nn
6
2n +1 cos
nit
6
2""
sin In
6
10. The nature of singularity of function
1 TC .
ftz)= at z = —is
cos z —sinz 4
Removable singularity
Isolated singularity
Simple pole
Essential singularity
+ i .
S. The complex number is
3 — i
VBY-8-ETE 3—A)
Page 4
Engineedng Set (P) Exam,2019
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
T.B.C. : VBY-S-ETE
Test Booklet Series
11111
Serial
.2 *7'
TEST BOOKLET
ELECTRICAL ENGINEERING
Time Allowed: Three Hours Maximum Marks: 300
INSTRUCTIONS
IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT
THIS TEST BOOKLET DOES NOT
HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS,
ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test
Booklet Series Code A, B, C or 13 carefully and without any omission or discrepancy at the
appropriate places in the OMR Answer Sheet. Any omission/discrepancy will render the Answer
Sheet liable for rejection.
You have to enter your Roll Number on the
Test Booklet in the Box provided alongside.
DO NOT write anything else on the Test Booklet.
This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You
will select the response which you want to mark on the Answer Sheet. In case you feel that there is
more than one correct response, mark the response which you consider the best. In any case, choose
ONLY ONE response for each item.
You have to mark all your responses ONLY
on the separate Answer Sheet provided. See directions
in the Answer Sheet.
All items carry equal marks.
Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your
Admission Certificate.
After you have completed filling in all your responses on the Answer Sheet and the examination has
concluded, you should hand over to the Invigilator
only the Answer Sheet.
You are permitted to
take away with you the Test Booklet.
Sheets for rough work are appended in the Test Booklet at the end.
Penalty for wrong answers:
THERE WWI BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
There are four alternatives for the answer to every question. For each question for which a wrong answer
has been given by the candidate, one-third (0.33) of the marks assigned to that question will be
deducted as penalty.
If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given
answers happens to be correct and there will be same penalty as above to that question.
If a question is left blank, i.e., no answer is given by the candidate, there will be no penalty for that
question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
VBY-S-ETE ( 1 — A)
1. What are the values of k for which the system
of equations
(3k-8)x+ 3y+ 3z=0
3x + (3k — 8)y + 3z = 0
3x + 3y + (3k — 8)z = 0
has a non-trivial solution?
k = —
2
, —
11
—
10
3 3 3
2
k 10 11
3 3's
11 11 11
k=—,--
3
3'3
2 11 11
(d)
3 3 3
;.1
The solution of the differential equation
x -— x 2 „ T d2Y dY + y log x is
dx dx
y = (ci + c2x) log x + 2 log x + 3
y = (ci + c2x2) log x + log x + 2
y = (ci + c2x) log x + log x + 2
y=(c1 -Ec2 logx)x+logx+ 2
5. The area between the parabolas
y2 = 4ax and x2 = 4ay is
(a) —
2
a
z
3
(b)
1 a2
3
2. If
2+1 3 —1+3i
A=
—5 i 4 — 2i
then AA* will be
(where,
At
is the conjugate transpose of A)
Unitary matrix
Orthogonal matrix
Hermitian matrix
Skew Hermitian matrix
3. If y = — 3x2 + 3x —10, the value of A3y will
be
(where, A is forward differences operator)
(a) 10
(b) 11
(c) 12
(d)
13
16 2
— a
3
7
1 — a2
3
6. The volume of the solid surrounded by the
surface
(x)2/3 FD rz)2/3 = 1
a) (13) (c)
is
4n abc
35
abc
35
abc
35
it abc
35
VBY-S-ETE ( 2 — A )
11. If X is a discrete random variable that follows
Binomial distribution, then which one of the
following response relations is correct?
P(r + 1) — n — rP(r)
r + 1
P(r + 1) = P(r)
P(r + 1) = n r P P(r)
r + 1 q
P(r + 1) =
n—rP P(r)
r + 1 q
12. If the probability that an individual suffers a
bad reaction from a certain infection is 0.001,
what is the probability that out of 2000
individuals, more than 2 individuals will
suffer a bad reaction?
(a)
1 5
2 e2
5
(b) 1.2 —
e`
(d)
5
e2
13. Materials in which the atomic order extends
uninterrupted over the entirety of the
specimen; under some
may have flat faces
shapes, are called
Anisotropy
Crystallography
Single crystals
Crystal system
circumstances, they
regular geometric and
7. The solution of the partial differential
equation
x2
f
f
— a x a Z + y2
11 1 ,
y
1 xy
Xy Z
— a c z
z)
=
fl.0
x y ) z is
_
0
( f
f (
1. 1 , xyz) _ 0
x y
1 ± 1 + 1 xy 0
x y z z
— 1 (cos a + i sin a)
2 4 4
— 1 (cos L C 1- i sin It
2 2 2
(C)
2
(d) — 1 cos — it + i sin —
2'6 6
9. If n is a positive integer then,
(
+ +R — if' is
n . nn
2 sin —
6
2n cos —
nn
6
2n +1 cos
nit
6
2""
sin In
6
10. The nature of singularity of function
1 TC .
ftz)= at z = —is
cos z —sinz 4
Removable singularity
Isolated singularity
Simple pole
Essential singularity
+ i .
S. The complex number is
3 — i
VBY-8-ETE 3—A)
14. Which material possesses the following
properties?
Shining white colour with lustre
Soft, malleable and can be drawn into
wires
Poor in conductivity and tensile
strength
Used in making alloys with lead and
copper
Used for fuses and cable sheathing
Silver
Tin
Nickel
Aluminium
15. The saturation magnetization for Fe
304,
given that each cubic unit cell contains
8 Fe2+ and 16 Pelf ions, where Bohr
magneton is 9.274 x 10-24 A.m2 and that the
unit cell edge length is 0.839 nm, will be
1.25 x 105 Aim
5 x 105 Aim
10 x 105 Aim
20 x 105 Aim
16. Consider the following applications of the
materials:
Bismuth strontium calcium copper
oxide used as a high temperature
superconductor
Boron carbide used in helicopter and
tank armour
Uranium oxide used as fuel in nuclear
reactors
Bricks used for construction
The materials used in these applications can
be classified as
Ceramic
Constantan
Manganin
Tantalum
17. The saturation flux density for Nickel having
density of 8.90 g/cm3, atomic number 58-71
and net magnetic moment per atom of
0.6 Bohr magnetons is nearly
18.
The temperature at which iron ceases to be
ferromagnetic and becomes paramagnetic is
Curie-Weiss point
Thermo-magnetic point
Ferro-paramagnetic point
Curie point
19. Fick's laws refer to
Finding whether a semiconductor is n or
p type
Diffusion
Crystal imperfections
Electric breakdown
20. A magnetic field applied perpendicular to the
direction of motion of a charged particle
exerts a force on the particle perpendicular to
both the magnetic field and the direction of
motion of the particle. This phenomenon
results in
Flux effect
Hall Effect
Magnetic field effect
Field effect
21. An electric kettle is marked 500 W, 230 V and
is found to take 15 minutes to bring 1 kg of
water at 15°C to 100°C. If the specific heat of
water is 4200 J/kg/°C, the heat efficiency of
the kettle will be
87.3%
83.6%
79-3%
75.6%
0.82 tesla
0.76 tesla
0.64 tesla
0.52 tesla
VBY-S-ETE (4-A)
Page 5
Engineedng Set (P) Exam,2019
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
T.B.C. : VBY-S-ETE
Test Booklet Series
11111
Serial
.2 *7'
TEST BOOKLET
ELECTRICAL ENGINEERING
Time Allowed: Three Hours Maximum Marks: 300
INSTRUCTIONS
IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT
THIS TEST BOOKLET DOES NOT
HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS,
ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
Please note that it is the candidate's responsibility to encode and fill in the Roll Number and Test
Booklet Series Code A, B, C or 13 carefully and without any omission or discrepancy at the
appropriate places in the OMR Answer Sheet. Any omission/discrepancy will render the Answer
Sheet liable for rejection.
You have to enter your Roll Number on the
Test Booklet in the Box provided alongside.
DO NOT write anything else on the Test Booklet.
This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You
will select the response which you want to mark on the Answer Sheet. In case you feel that there is
more than one correct response, mark the response which you consider the best. In any case, choose
ONLY ONE response for each item.
You have to mark all your responses ONLY
on the separate Answer Sheet provided. See directions
in the Answer Sheet.
All items carry equal marks.
Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your
Admission Certificate.
After you have completed filling in all your responses on the Answer Sheet and the examination has
concluded, you should hand over to the Invigilator
only the Answer Sheet.
You are permitted to
take away with you the Test Booklet.
Sheets for rough work are appended in the Test Booklet at the end.
Penalty for wrong answers:
THERE WWI BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
There are four alternatives for the answer to every question. For each question for which a wrong answer
has been given by the candidate, one-third (0.33) of the marks assigned to that question will be
deducted as penalty.
If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given
answers happens to be correct and there will be same penalty as above to that question.
If a question is left blank, i.e., no answer is given by the candidate, there will be no penalty for that
question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO SO
VBY-S-ETE ( 1 — A)
1. What are the values of k for which the system
of equations
(3k-8)x+ 3y+ 3z=0
3x + (3k — 8)y + 3z = 0
3x + 3y + (3k — 8)z = 0
has a non-trivial solution?
k = —
2
, —
11
—
10
3 3 3
2
k 10 11
3 3's
11 11 11
k=—,--
3
3'3
2 11 11
(d)
3 3 3
;.1
The solution of the differential equation
x -— x 2 „ T d2Y dY + y log x is
dx dx
y = (ci + c2x) log x + 2 log x + 3
y = (ci + c2x2) log x + log x + 2
y = (ci + c2x) log x + log x + 2
y=(c1 -Ec2 logx)x+logx+ 2
5. The area between the parabolas
y2 = 4ax and x2 = 4ay is
(a) —
2
a
z
3
(b)
1 a2
3
2. If
2+1 3 —1+3i
A=
—5 i 4 — 2i
then AA* will be
(where,
At
is the conjugate transpose of A)
Unitary matrix
Orthogonal matrix
Hermitian matrix
Skew Hermitian matrix
3. If y = — 3x2 + 3x —10, the value of A3y will
be
(where, A is forward differences operator)
(a) 10
(b) 11
(c) 12
(d)
13
16 2
— a
3
7
1 — a2
3
6. The volume of the solid surrounded by the
surface
(x)2/3 FD rz)2/3 = 1
a) (13) (c)
is
4n abc
35
abc
35
abc
35
it abc
35
VBY-S-ETE ( 2 — A )
11. If X is a discrete random variable that follows
Binomial distribution, then which one of the
following response relations is correct?
P(r + 1) — n — rP(r)
r + 1
P(r + 1) = P(r)
P(r + 1) = n r P P(r)
r + 1 q
P(r + 1) =
n—rP P(r)
r + 1 q
12. If the probability that an individual suffers a
bad reaction from a certain infection is 0.001,
what is the probability that out of 2000
individuals, more than 2 individuals will
suffer a bad reaction?
(a)
1 5
2 e2
5
(b) 1.2 —
e`
(d)
5
e2
13. Materials in which the atomic order extends
uninterrupted over the entirety of the
specimen; under some
may have flat faces
shapes, are called
Anisotropy
Crystallography
Single crystals
Crystal system
circumstances, they
regular geometric and
7. The solution of the partial differential
equation
x2
f
f
— a x a Z + y2
11 1 ,
y
1 xy
Xy Z
— a c z
z)
=
fl.0
x y ) z is
_
0
( f
f (
1. 1 , xyz) _ 0
x y
1 ± 1 + 1 xy 0
x y z z
— 1 (cos a + i sin a)
2 4 4
— 1 (cos L C 1- i sin It
2 2 2
(C)
2
(d) — 1 cos — it + i sin —
2'6 6
9. If n is a positive integer then,
(
+ +R — if' is
n . nn
2 sin —
6
2n cos —
nn
6
2n +1 cos
nit
6
2""
sin In
6
10. The nature of singularity of function
1 TC .
ftz)= at z = —is
cos z —sinz 4
Removable singularity
Isolated singularity
Simple pole
Essential singularity
+ i .
S. The complex number is
3 — i
VBY-8-ETE 3—A)
14. Which material possesses the following
properties?
Shining white colour with lustre
Soft, malleable and can be drawn into
wires
Poor in conductivity and tensile
strength
Used in making alloys with lead and
copper
Used for fuses and cable sheathing
Silver
Tin
Nickel
Aluminium
15. The saturation magnetization for Fe
304,
given that each cubic unit cell contains
8 Fe2+ and 16 Pelf ions, where Bohr
magneton is 9.274 x 10-24 A.m2 and that the
unit cell edge length is 0.839 nm, will be
1.25 x 105 Aim
5 x 105 Aim
10 x 105 Aim
20 x 105 Aim
16. Consider the following applications of the
materials:
Bismuth strontium calcium copper
oxide used as a high temperature
superconductor
Boron carbide used in helicopter and
tank armour
Uranium oxide used as fuel in nuclear
reactors
Bricks used for construction
The materials used in these applications can
be classified as
Ceramic
Constantan
Manganin
Tantalum
17. The saturation flux density for Nickel having
density of 8.90 g/cm3, atomic number 58-71
and net magnetic moment per atom of
0.6 Bohr magnetons is nearly
18.
The temperature at which iron ceases to be
ferromagnetic and becomes paramagnetic is
Curie-Weiss point
Thermo-magnetic point
Ferro-paramagnetic point
Curie point
19. Fick's laws refer to
Finding whether a semiconductor is n or
p type
Diffusion
Crystal imperfections
Electric breakdown
20. A magnetic field applied perpendicular to the
direction of motion of a charged particle
exerts a force on the particle perpendicular to
both the magnetic field and the direction of
motion of the particle. This phenomenon
results in
Flux effect
Hall Effect
Magnetic field effect
Field effect
21. An electric kettle is marked 500 W, 230 V and
is found to take 15 minutes to bring 1 kg of
water at 15°C to 100°C. If the specific heat of
water is 4200 J/kg/°C, the heat efficiency of
the kettle will be
87.3%
83.6%
79-3%
75.6%
0.82 tesla
0.76 tesla
0.64 tesla
0.52 tesla
VBY-S-ETE (4-A)
22.
With reference to nano materials, the prefix
nano stands for
Nano centimetre
Nanometre
Nano micrometre
Nano millimetre
23. Consider the following applications:
High temperature heat engines
Nuclear fusion reactors
Chemical processing industry
Aeronautical and space industry
Which one of the following materials will be
used for these applications?
Zirconia
Alumina
Ceramic
Silicon carbide
24. The machine used for the preparation of nano
particles of alumina is
Attrition mill
Grinding machine
Vending machine
Welding machine
25. If the voltage across an element in a circuit is
linearly proportional to the current through
it, then it is a
Capacitor
Transformer
Resistor
Inductor
26. Thevenin's equivalent circuit consists of
Current source and series impedance
Voltage source and series impedance
Voltage source and shunt impedance
Current source and shunt impedance
27.
When the voltage sources are replaced with
short circuits and current sourees are
replaced with open circuits, leaving dependent
sources in the circuit, the theorem applied is
Superposition
Thevenin
Norton
Millman
28. The maximum power is delivered from a
source to a load when the source resistance
is
Greater than the load resistance
Equal to zero
Less than the load resistance
Equal to the load resistance
29. A network delivers maximum power to the
load resistance when it is
Greater than Norton's equivalent
resistance of the network
Equal to Thevenin's equivalent
resistance of the network
Less than source resistance
Less than Norton's equivalent
resistance of the network
30.
The impedance of a parallel circuit is
(10 — j 30) Q at 1 MHz. The values of circuit
elements will be
10 Q and 6.4 mH
100 and 4.7 nF
10 Q and 4.7 mH
100 Q and 6-4 nF
VBY-S-ETE ( 5—A)
Read More