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II
Email: [email protected]
IEO-2016
Partners & Sponsors:
1. Find the number of pairs of positive integers (a, b) such that
(A) 0 (B)
2. Choose a word that is most nearly opposite in meaning to the word
(A) exonerate (B)
3. Fill in the blank with most suitable word
Ratan Tata possesses the ability to recognize business opportunities, and it is cl
that makes him to be also known for philanthropy.
(A) creativity (B)
4. A certain amount becomes 5 times in 3 years at compound interest. In how many years will it be
3125 times of the amount?
(A) 9 (B)
5. Choose the most appropriate alternative from the options given below to complete the sentence.
The number of students who have shown interest to join coaching ________ encouraging.
(A) is (B)
6. At 9 a.m. two trains started traveling toward each other from stations 315 miles apart. They passed
each other at 12:30 p.m. the same day. If the average speed of the faster train exceeded the
average speed of the slower train by 5
faster train, in kmph?
(A) 45 (B)
7. Machine A produces toffees at constant rate of 9000 toffees per hour and machine B produces
toffees at constant rate of 7200 toffees per hour.
minimum time required to produce 100000 toffees is
(A) 12hrs (B)
III Year – Instrumentation Engineering
[email protected], Website: www.engineeringolympiad.in
SPACE FOR ROUGH WORK
Section-I: General Ability
Find the number of pairs of positive integers (a, b) such that 6 2a b 127.− =
(B) 1 (C) 2 (D)
Choose a word that is most nearly opposite in meaning to the word Accuse
(B) engender (C) abrogate (D)
blank with most suitable word
Ratan Tata possesses the ability to recognize business opportunities, and it is cl
that makes him to be also known for philanthropy.
(B) composure (C) shrewdness (D)
A certain amount becomes 5 times in 3 years at compound interest. In how many years will it be
3125 times of the amount?
(B) 12 (C) 15 (D)
Choose the most appropriate alternative from the options given below to complete the sentence.
The number of students who have shown interest to join coaching ________ encouraging.
(B) are (C) was (D)
At 9 a.m. two trains started traveling toward each other from stations 315 miles apart. They passed
each other at 12:30 p.m. the same day. If the average speed of the faster train exceeded the
average speed of the slower train by 5kmph, which of the following represents the speed of the
(B) 40 (C) 47.5 (D)
Machine A produces toffees at constant rate of 9000 toffees per hour and machine B produces
toffees at constant rate of 7200 toffees per hour. If both machines work in alternate hours, then the
minimum time required to produce 100000 toffees is
(B) 12hrs19min (C) 12hrs24min (D)
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a b 127.
3
Accuse
besmirch
Ratan Tata possesses the ability to recognize business opportunities, and it is clearly this ______
benevolence
A certain amount becomes 5 times in 3 years at compound interest. In how many years will it be
25
Choose the most appropriate alternative from the options given below to complete the sentence.
The number of students who have shown interest to join coaching ________ encouraging.
were
At 9 a.m. two trains started traveling toward each other from stations 315 miles apart. They passed
each other at 12:30 p.m. the same day. If the average speed of the faster train exceeded the
, which of the following represents the speed of the
42.5
Machine A produces toffees at constant rate of 9000 toffees per hour and machine B produces
If both machines work in alternate hours, then the
12hrs30min
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8. Joshua and his younger brother Jishore have the same birthday. Jishore's age now is the sam
Joshua's age was when Jishore was half as old as Joshua is now. Joshua was six years old when
Jishore was born. What is Joshua's age now?
(A) 18 (B)
9. 3 distinct numbers are chosen randomly from 401 to 800 (only natural numbe
all are divisible by 6 and 8 is
(A) 0.000053 (B)
10. The following table gives details of six types of retail chains in Hyderabad
No. of Outlets
2012
McDonald 4
Pizza hut 2
Pizza corner 6
Dominos 12
KFC 4
American
Pizza
2
If the market-leader (in terms
as it did in sales per outlet in 2013, over 2012, then its profits in 2013 would have been
(A) 150 lakhs (B)
11. Identify the choice that replaces the underlined part to form a logically and grammatically correct
statement.
Boosting world food production without gobbling up land and water will require technology to
play a larger role in the next 40 years
(A) than it did in the past 40 years
(C) than it has in the past 40 years
III Year – Instrumentation Engineering
[email protected], Website: www.engineeringolympiad.in
SPACE FOR ROUGH WORK
Joshua and his younger brother Jishore have the same birthday. Jishore's age now is the sam
Joshua's age was when Jishore was half as old as Joshua is now. Joshua was six years old when
Jishore was born. What is Joshua's age now?
(B) 24 (C) 30 (D)
3 distinct numbers are chosen randomly from 401 to 800 (only natural numbe
all are divisible by 6 and 8 is
(B) 0.00053 (C) 0.000064 (D)
The following table gives details of six types of retail chains in Hyderabad
No. of Outlets Average sales per
outlet (Lakhs)
Total profit of all
outlets (Lakhs)
2013 2012 2013 2012
5 50 55 40
3 170 180 125
6 60 70 40
10 90 120 120
5 180 175 150
2 40 30 15
leader (in terms of sales) in 2012 had experienced the same percentage increase in profits
as it did in sales per outlet in 2013, over 2012, then its profits in 2013 would have been
(B) 200 lakhs (C) 160 lakhs (D)
t replaces the underlined part to form a logically and grammatically correct
Boosting world food production without gobbling up land and water will require technology to
play a larger role in the next 40 years than it did in the past 40 years.
than it did in the past 40 years (B) than they have in the past 40 years
than it has in the past 40 years (D) than they had in the past 40 years
www.engineeringolympiad.in 2 of 13
Joshua and his younger brother Jishore have the same birthday. Jishore's age now is the same as
Joshua's age was when Jishore was half as old as Joshua is now. Joshua was six years old when
36
3 distinct numbers are chosen randomly from 401 to 800 (only natural numbers). Probability that
0.00064
The following table gives details of six types of retail chains in Hyderabad
Total profit of all
outlets (Lakhs)
2013
60
200
50
180
160
15
of sales) in 2012 had experienced the same percentage increase in profits
as it did in sales per outlet in 2013, over 2012, then its profits in 2013 would have been
180 lakhs
t replaces the underlined part to form a logically and grammatically correct
Boosting world food production without gobbling up land and water will require technology to
than they have in the past 40 years
than they had in the past 40 years
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12. Choose a pair that has most similar relationship to the given pair
Extravagance : Spartan
(A) Nature: Ambiguous
(C) Speech: Taciturn
13. A, B & C enter into a partnership in the ratio of
by 50%. If total profit at the end of one yea
(A) 6000 (B)
14. In State X, the sales tax on FMCG is equal to 10 percent of the amount of the purchase price
above 100/-. In State Y, the sales tax on FMCG is equal to 8 percent of
For what purchase price would the sales tax in both states be equal?
(A) 180/- (B)
15. Conventionally it is preferred to have decision making that is than intuitively done. However, a
recent study found that senior managers used intuition significantly more than did most mid
managers. This confirms the alternative view that intuition is actually more effective than careful,
methodical reasoning.
The conclusion above is based on which of
(A) Methodical, step-by-
decisions.
(B) Senior managers have the ability to use either intuitive reasoning or deductive, methodical
reasoning in making decisions.
(C) The decisions that are made by mid
methodical reasoning as by using intuitive reasoning.
(D) Senior managers are more effective at decision making than are midlevel managers.
16. 50 people attended an exhibition. Out of them, 5 did not buy any book, 20 bought 1 book each, 15
bought 2 books each, and the rest bought at least 3 books. If the average number of books bought per
person was 2, what is the maximum number of books that
(A) 13 (B)
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
Choose a pair that has most similar relationship to the given pair
(B) Despair: Hopeless
(D) Peason: Credible
A, B & C enter into a partnership in the ratio of7 4 6
: :2 3 5
. After 4 months, A increases his share
by 50%. If total profit at the end of one year be Rs.21,600, then B’s share in the profit is
(B) 4000 (C) 8000 (D)
In State X, the sales tax on FMCG is equal to 10 percent of the amount of the purchase price
. In State Y, the sales tax on FMCG is equal to 8 percent of the entire purchase price.
For what purchase price would the sales tax in both states be equal?
(B) 200/- (C) 400/- (D)
Conventionally it is preferred to have decision making that is than intuitively done. However, a
tudy found that senior managers used intuition significantly more than did most mid
managers. This confirms the alternative view that intuition is actually more effective than careful,
The conclusion above is based on which of the following assumptions?
-step reasoning is inappropriate for making many real
Senior managers have the ability to use either intuitive reasoning or deductive, methodical
decisions.
The decisions that are made by mid-level and entry-level managers can be made as easily by using
methodical reasoning as by using intuitive reasoning.
Senior managers are more effective at decision making than are midlevel managers.
50 people attended an exhibition. Out of them, 5 did not buy any book, 20 bought 1 book each, 15
bought 2 books each, and the rest bought at least 3 books. If the average number of books bought per
person was 2, what is the maximum number of books that any single person could have bought?
(B) 15 (C) 18 (D)
www.engineeringolympiad.in 3 of 13
. After 4 months, A increases his share
r be Rs.21,600, then B’s share in the profit is
9000
In State X, the sales tax on FMCG is equal to 10 percent of the amount of the purchase price
the entire purchase price.
500/-
Conventionally it is preferred to have decision making that is than intuitively done. However, a
tudy found that senior managers used intuition significantly more than did most mid-level
managers. This confirms the alternative view that intuition is actually more effective than careful,
step reasoning is inappropriate for making many real-life managerial
Senior managers have the ability to use either intuitive reasoning or deductive, methodical
level managers can be made as easily by using
Senior managers are more effective at decision making than are midlevel managers.
50 people attended an exhibition. Out of them, 5 did not buy any book, 20 bought 1 book each, 15
bought 2 books each, and the rest bought at least 3 books. If the average number of books bought per
any single person could have bought?
23
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17. Choose the grammatically incorrect sentence.
(A) The house needs to be painted soon
(B) We urge that he leave now
(C) We have watched him on TV, haven’t we?
(D) Amir decided to buy in the morning a new car, but in the afternoon, he changed his mind
18. Construction of the Roman Colosseum,
began in A.D.69, during the reign of Vespasian
Titus, who opened the Colosseum with a one
games, and spectacles.
(A) which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
of Vespasian,
(B) officially known as the Flavian Amphitheater, begun in A.D. 69, during the reign of
Ve-spasian, and
(C) which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
of Vespasian, and
(D) officially known as the Flavian Amphi
Vespasian it
19. Find out the odd one.
(A) People pray to God during adversity
(B) Rohini wrung her hands when the train was left
(C) Not everyone bats a hundred in life
(D) One should not succumb to pressure from peers
20. They panicked and........
(A) flew for their lives
(C) fled for their lives
III Year – Instrumentation Engineering
[email protected], Website: www.engineeringolympiad.in
SPACE FOR ROUGH WORK
Choose the grammatically incorrect sentence.
The house needs to be painted soon
We urge that he leave now
We have watched him on TV, haven’t we?
to buy in the morning a new car, but in the afternoon, he changed his mind
Construction of the Roman Colosseum, which was officially known as the Flavian Amphitheater,
began in A.D.69, during the reign of Vespasian, was completed a decade later,
Titus, who opened the Colosseum with a one-hundred-day cycle of religious pageants, gladiatorial
which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
fficially known as the Flavian Amphitheater, begun in A.D. 69, during the reign of
which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
officially known as the Flavian Amphitheater and begun in A.D. 69, during the
People pray to God during adversity
Rohini wrung her hands when the train was left
Not everyone bats a hundred in life
One should not succumb to pressure from peers
(B) flowed for their lives
(D) fleeing for their lives
www.engineeringolympiad.in 4 of 13
to buy in the morning a new car, but in the afternoon, he changed his mind
which was officially known as the Flavian Amphitheater,
, was completed a decade later, during the reign of
day cycle of religious pageants, gladiatorial
which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
fficially known as the Flavian Amphitheater, begun in A.D. 69, during the reign of
which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign
theater and begun in A.D. 69, during the reign of
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21. One hundred identical coins, each with pr
0<p<1 and the probability of heads showing on 50 coins is equal to that of heads showing on 51
coins, then the value of p is
(A) 1
2 (B)
22. A thermistor has current
for applied voltage of 50 volts as shown in
figure. Its approximate characteristics when its
applied voltage increased to 60V is represented
by
(A) Curve A (B)
(C) Can’t say (D)
23. The h21 parameter of the two port network shown in the figure is
(A) 1
(B) -1
(C) 2
(D) -2
24. Consider the following statements in respect of the
Wien-bridge oscillator shown in the figure below.
1. For R=1 Kilo Ohm C F, f=1KHz
2. For R=3 Kilo Ohm C F, f=3KHz
Which of the statement given above is /are correct?
(A) 1 only (B)
(C) 1 and 2 (D)
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
Section-II: Technical
One hundred identical coins, each with probability p of showing up heads are tossed once. If
0<p<1 and the probability of heads showing on 50 coins is equal to that of heads showing on 51
coins, then the value of p is
(B) 49
101 (C)
50
101 (D)
current-time characteristics
for applied voltage of 50 volts as shown in
figure. Its approximate characteristics when its
applied voltage increased to 60V is represented
(B) Curve B
(D) Both A and B
f the two port network shown in the figure is
Consider the following statements in respect of the
bridge oscillator shown in the figure below.
1C F, f=1KHz
2
= µ
π 1
C F, f=3KHz18
= µ
π
Which of the statement given above is /are correct?
(B) 2 only
(D) neither 1 nor 2
10Ω 20Ω
10Ω22i
+
−
+
−
1V 2V
1i 2i
C
R
C R
Current
(mA)
www.engineeringolympiad.in 5 of 13
obability p of showing up heads are tossed once. If
0<p<1 and the probability of heads showing on 50 coins is equal to that of heads showing on 51
51
101
-
+
+
-
V0
R2 R1
curve ' A '
E 50 V=
curve 'B '
Time
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25. Evaluate ( )tan 2x
x4
lim tan xπ
→
(A) 2/e (B)
26. When X an Y inputs are driven with sinusoidal alternating voltages, the
following Lissajous pattern is displayed on the screen of oscilloscope. The
phase difference between the inputs is __________.
(A) 50o (B)
(C) 90o (D)
27. In the circuit shown below, what is the voltage
(A) 11
dVV
dt+ (B)
(C) 11
dVRCV
dt+ (D)
28.
1 6 1
Given a matrix M 1 2 0
0 0 3
=
(A) 1 (B)
29. For the circuit shown
cross over frequency of the amplifier is
Lf 20 Hz= . The transistor parameters are
0r 2k and 150π = β = .The value of C
(A) 0.8 Fµ
(B) 0.28 Fµ
(C) 0.6 Fµ
(D) 1 Fµ
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
R R
C C
+
−
R R
C C( )V t
−
a
tan 2x
(B) e (C) 1/e (D)
When X an Y inputs are driven with sinusoidal alternating voltages, the
following Lissajous pattern is displayed on the screen of oscilloscope. The
hase difference between the inputs is __________.
(B) 60o
(D) 20o
In the circuit shown below, what is the voltage ( )abV t ?
(B) V1
(D) 11
dVRC V
dt+
1 6 1
Given a matrix M 1 2 0
0 0 3
. The largest eigen value is
(B) 2 (C) 3 (D)
For the circuit shown below, the lower
cross over frequency of the amplifier is
. The transistor parameters are
.The value of CB is
CCV
2R
R1R
BC
+
−
0.3k
Sv
www.engineeringolympiad.in 6 of 13
R
C
R
C ( )1V t
a
b
+
−
e/2
When X an Y inputs are driven with sinusoidal alternating voltages, the
following Lissajous pattern is displayed on the screen of oscilloscope. The
4
1.5k
0.4kER
1 2R ||R 50k=
1
3
0.766
1
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30. For the circuit shown below, the ON time to OFF
time ratio for the output pulse is equal to
(A) 1.5
(B) 2.5
(C) 3.5
(D) 4.5
31. Match List I with List II
List I (Type of Feedback)
P. Voltage series
Q. Voltage shunt
R. Current series
S. Current shunt
(A) P-1 Q-4, R-3 S-2
(C) P-3, Q-4, R-1,S-2
32. A disc mounted on the shaft of a machine has 24 pattern points. The number of flashes projected
on the disc by a stroboscope is 9000 in a minute. If the disc appears to move forward in the
direction of rotation at 10rpm, then speed of the machine is
(A) 295 rpm (B)
33. In the above full adder circuit, evaluate the correct operation performed
by it.
(A) If C=0, the resultant operation is subtraction
(B) Independent of ‘C’, X always gives difference bit.
(C) If C=1, the resultant operation is subtraction
(D) None of these
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
For the circuit shown below, the ON time to OFF
time ratio for the output pulse is equal to
Match List I with List II
List I (Type of Feedback) List II (Effect on Rin and Rout)
1. Rin increases and Rout decreases
2. Both decrease
3. Both increase
4 Rin decreases and Rout increases
(B) P-3, Q-2, R-1, S-4
(D) P-1, Q-2, R-3, S-4
A disc mounted on the shaft of a machine has 24 pattern points. The number of flashes projected
on the disc by a stroboscope is 9000 in a minute. If the disc appears to move forward in the
direction of rotation at 10rpm, then speed of the machine is
(B) 385 rpm (C) 410 rpm (D)
In the above full adder circuit, evaluate the correct operation performed
If C=0, the resultant operation is subtraction
Independent of ‘C’, X always gives difference bit.
esultant operation is subtraction
0.01 Fµ 2
7
6
28 k
56 k
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A disc mounted on the shaft of a machine has 24 pattern points. The number of flashes projected
on the disc by a stroboscope is 9000 in a minute. If the disc appears to move forward in the
580 rpm
F A
B A
C
X Y
555
timer
4 8
3 Output
0.01 Fµ
CCV
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34. The variation of resistance, R ohm, of an aluminum conductor with temperature
dRR, where
d= α α
θ is temperature coefficient of resistance of aluminum.
o
Given that at 0 C, R 24= Ω
(A) 29Ω (B)
35. After an experiment the following are the values measured by a student with a stop watch. (The
experiment can be repeated again & again: Assumption)
TRIAL NO 1
Measured 3.9
Values (Sec)
How can we express his measured value?
(A) 3.5 0.2 secs± (B)
36. A Mcleod gauge has volume of
measuring capillary as 5mm. If the reading of the measuring capillary is 25mm, then the pressure
indicated is
(A) 153.2 mµ (B)
37. The ( )i o+ in the following network is
(A) 3.33A (B)
(C) 6.89A (D)
38. The bridge shown is used for measurement of low resistance. The bridge
uses standard resistance of 100.05µ
100.42 andµΩ 150 , 100.31 and 150Ω Ω Ω
mismatch error exists between the ratios of inner and outer arm resistances.
The unknown resistance R
(A) 150.13 µΩ
(C) 450µΩ
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
The variation of resistance, R ohm, of an aluminum conductor with temperature
is temperature coefficient of resistance of aluminum.
Given that at 0 C, R 24= Ω and 4 o
38 10 / C−α = ×
then resistance at o50 will be
(B) 39Ω (C) 19Ω (D)
After an experiment the following are the values measured by a student with a stop watch. (The
experiment can be repeated again & again: Assumption)
1 2 3 4 5
3.9 3.5 3.7 3.4 3.5
How can we express his measured value?
(B) 3.4 0.1secs± (C) 3.6 0.1secs± (D)
A Mcleod gauge has volume of bulb and the measuring capillary as 80x10
measuring capillary as 5mm. If the reading of the measuring capillary is 25mm, then the pressure
(B) 141.8 mµ (C) 176.2 mµ (D)
in the following network is
(B) 4.53A
(D) 5.73A
The bridge shown is used for measurement of low resistance. The bridge
standard resistance of 100.05µΩ. The inner, outer arms ratio is
150 , 100.31 and 150Ω Ω Ω respectively. Due to this
mismatch error exists between the ratios of inner and outer arm resistances.
The unknown resistance Rx when Ry=800 µΩ is ________.
(B) 250.9 µΩ
(D) 224 µΩ
i
1Ω
1Ω 1Η
2H
+−
t 0=
10V
www.engineeringolympiad.in 8 of 13
The variation of resistance, R ohm, of an aluminum conductor with temperature oCθ is given by
will be
9Ω
After an experiment the following are the values measured by a student with a stop watch. (The
3.6 0.2 secs±
bulb and the measuring capillary as 80x10-6
m3 with diameter of
measuring capillary as 5mm. If the reading of the measuring capillary is 25mm, then the pressure
192.6 mµ
The bridge shown is used for measurement of low resistance. The bridge
. The inner, outer arms ratio is
respectively. Due to this
mismatch error exists between the ratios of inner and outer arm resistances.
G
2R1R
3R xR1 2
3ab
yR
E
−+
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39. It is claimed that the following circuit may be operated as a logic gate. What is the logic operation
performed by the circuit? Assume that MOS devices are acting like ideal switches.
(A) Y A NAND B=
(B) Y A OR B=
(C) Y A XOR B=
(D) Y A XNOR B=
40. A piezoelectric crystal of 1m
in a closed vessel. If maximum output voltage developed by crystal is 100V, then maximum
pressure that can be measured with crystal is
(A) 0.36 MN/m2 (B)
41. Consider the system of equations
parameter ‘ λ ’ such that the system
(A) -3.5 (B)
42. The driving point impedance of the network shown in figure is given by
values of the components are
(A) R 3 , L=1H, C=2F= Ω
(C) R 3 , L=0.5H, C=4F= Ω
5mm
A
A
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
It is claimed that the following circuit may be operated as a logic gate. What is the logic operation
performed by the circuit? Assume that MOS devices are acting like ideal switches.
A piezoelectric crystal of 1m2 area is mounted in direction A-A to measure pressure of explosion
in a closed vessel. If maximum output voltage developed by crystal is 100V, then maximum
pressure that can be measured with crystal is
(B) 0.97 MN/m2 (C) 2.68 MN/m2 (D)
Consider the system of equations3x y z 1; 2x+y+z=2; x+2y- z=-1− + λ = λsuch that the system fail to have unique solution is ___________
(B) 3.5 (C) 1.5 (D)
The driving point impedance of the network shown in figure is given by
values of the components are
R 3 , L=1H, C=2F (B) R 3 , L=2H, C=1F= Ω
R 3 , L=0.5H, C=4F (D) R 3 , L=4H, C=0.5F= Ω
A
A
(Voltage sensitivity of crystal 0.055 V m= −
Y
A
B
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It is claimed that the following circuit may be operated as a logic gate. What is the logic operation
performed by the circuit? Assume that MOS devices are acting like ideal switches.
A to measure pressure of explosion
in a closed vessel. If maximum output voltage developed by crystal is 100V, then maximum
1.38 MN/m2
3x y z 1; 2x+y+z=2; x+2y- z=-1− + λ = λ , the value of the
solution is ___________.
-1.5
The driving point impedance of the network shown in figure is given by ( )2
s 3Z s
2s 6s 1
+=
+ +. The
R 3 , L=4H, C=0.5F
)Voltage sensitivity of crystal 0.055 V m / N= −
C
R
L( )Z s
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43. A two bit comparator with a set of timing diagrams are given below. Identify the correct
timing diagram.
(A)
(C)
44. Figure below shows a section of a Programmable
Logic Device (PLD). The Boolean expressio
implemented in the PLD is
(A) AC AB ABC+ +
(B) AC AB ABC+ +
(C) AB AC ABC+ +
(D) AB AC ABC+ +
Comp
0x
1x
0y
1y
01 2
01 2
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A two bit comparator with a set of timing diagrams are given below. Identify the correct
(B)
(D)
Figure below shows a section of a Programmable
Logic Device (PLD). The Boolean expression
implemented in the PLD is
Comp(X Y)=
3 4
B
A
C
3 4
0 1
2
0x
1x
0y
1y
10 2
0 1 2 3
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A two bit comparator with a set of timing diagrams are given below. Identify the correct output
Y
3 4
3 4
4
II
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45. A voltage and current transformers of nominal ratio 50/1 and 10/1 respectively has a wattmeter
connected to it. The reading of it is 500W indicated on a
of pressure coil of wattmeter are
frequency is 50 Hz. The P.T and C.T ratio errors and phase differences are
0.75% and 120 min respectively. The true value o
(A) 556kW (B)
46. In a pressure transducer (as shown in figure), strain gauge of resistance
strain of (10+5sin10t)10-
(Gauge factor of strain gauge is 2)
(A) 42.43 Vµ
(B) 32.43 Vµ
(C) 52.43 Vµ
(D) 2.43 Vµ
47. A 270o circular POT of length 10 cm and sensitivity
displacement of a rotating blade. If blade rotates in steps of 1cm/s from position ‘P1’, then the
output e0 at 3 seconds is
(A) 1.5 V
(B) 5 V
(C) 3.5 V
(D) zero
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
A voltage and current transformers of nominal ratio 50/1 and 10/1 respectively has a wattmeter
connected to it. The reading of it is 500W indicated on a 50V / 5A. The resistance and inductance
of pressure coil of wattmeter are 250 and 15mHΩ . The load phase angle is
frequency is 50 Hz. The P.T and C.T ratio errors and phase differences are
0.75% and 120 min respectively. The true value of the power measured is _________.
(B) 678kW (C) 986kW
In a pressure transducer (as shown in figure), strain gauge of resistance -6. The RMS value of output voltage V0 is ___________.
(Gauge factor of strain gauge is 2)
circular POT of length 10 cm and sensitivity 1 / deg reeΩ is used for measuring angular
displacement of a rotating blade. If blade rotates in steps of 1cm/s from position ‘P1’, then the
Strain
gauge
R R
R
24 V
oe5V
P1
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A voltage and current transformers of nominal ratio 50/1 and 10/1 respectively has a wattmeter
The resistance and inductance
. The load phase angle is 45° lagging and
frequency is 50 Hz. The P.T and C.T ratio errors and phase differences are 1%+ and 40 min and -
f the power measured is _________.
(D) 239kW
In a pressure transducer (as shown in figure), strain gauge of resistance 100Ω is subjected to
is ___________.
is used for measuring angular
displacement of a rotating blade. If blade rotates in steps of 1cm/s from position ‘P1’, then the
C
oV
II
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48. A divide by N-counter is designed using JK flip
A, B, C as 000)
The output of the above counter is given to the circuit shown below, which consists of 3
line decoder and LEDs.
The LEDs that will never glow are
(A) 0 7D and D (B)
49. In the circuit shown, Vo will be zero at the frequency of
(A) 1
HzRC
(B)
(C) 1
Hz2 RCπ
(D)
J
K
CLK
3x8 Decoder
0O
1O
2O
3O
4O
5O
6O
7O
A
B
C
0A1A2A
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counter is designed using JK flip-flops as shown in the figure. (Assuming initially
The output of the above counter is given to the circuit shown below, which consists of 3
never glow are
(B) 0 1D and D (C)
2 5D and D (D)
will be zero at the frequency of
(B) 2
HzRC
π
(D) RC
Hz2π
J
K
Q
Q
J
K
Q
Q
J
K
Q
Q
A B
5V+
3x8 Decoder0D 1D 2D 3D 4D 5D D
4
6
R
R
2
V
+V
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flops as shown in the figure. (Assuming initially
The output of the above counter is given to the circuit shown below, which consists of 3-line to 8-
5 7D and D
Q
Q
C
6D 7D
R
C
CR
oV
−
II
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50. When an input voltage V
practical with forward resistance
(A)
(C)
−
12V
12V
0V
12V
2.3V0V
III Year – Instrumentation Engineering
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SPACE FOR ROUGH WORK
When an input voltage Vi of the form shown, is applied to the circuit given below with the diode
practical with forward resistance fR =0 , the output voltage Vo is of the form
(B)
(D)
12V−
R
oViV
3V
D
t
12V
3V
t
0V
12V−
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of the form shown, is applied to the circuit given below with the diode
is of the form
t
t