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1
GATE2019 EE: 45
A singlephase transformer of rating $25$ kVA, supplies a $12$ kW load at power factor of $0.6$ lagging. The additional load at unity power factor in kW (round off to two decimal places) that may be added before this transformer exceeds its rated kVA is ________
asked
Feb 12, 2019
in
new
by
Arjun
(
5.4k
points)
gate2019ee
numericalanswers
0
votes
0
answers
2
GATE2019 EE: 46
A $220$ V DC shunt motor takes $3$ A at noload. It draws $25$ A when running at fullload at $1500$ rpm. The armature and shunt resistance are $0.5 \: \Omega$ and $220 \: \Omega$, respectively. The noload speed in rpm (round off to two decimal places) is _____.
asked
Feb 12, 2019
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Arjun
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5.4k
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gate2019ee
numericalanswers
0
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0
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3
GATE2019 EE: 47
A deltaconnected, $3.7$ kW, $400$ V(line), threephase, $4$pole, $50$Hz squirrelcage induction moor has the following equivalent circuit parameters per phase referred to the stator: $R_1=5.39 \: \Omega$, $R_2=5.72 \: \Omega$ ... in amperes (round off to two decimal places) when it is connected to a $100$ V(line), $10$ Hz, threephase AC source is _______
asked
Feb 12, 2019
in
new
by
Arjun
(
5.4k
points)
gate2019ee
numericalanswers
0
votes
0
answers
4
GATE2019 EE: 48
A $220$ V(line), threephase, Yconnected, synchronous motor has a synchronous impedance of $(0.25+j2.5) \: \Omega/\text{phase}$. The motor draws the rated current of $10$ A at $0.8$ pf leading. The rms value of linetoline internal voltage in volts (round off to two decimal places) is _________
asked
Feb 12, 2019
in
new
by
Arjun
(
5.4k
points)
gate2019ee
numericalanswers
0
votes
0
answers
5
GATE2019 EE: 49
A threephase $50$ Hz, $400$ kV transmission line is $300$ km long. The line inductance is $1$ mH/km per phase, and the capacitance is $0.01 \: \mu F/km$ per phase. The line is under open circuit condition at the receiving end and energized with $400$ kV at the sending end, the receiving end line voltage in kV (round off to two decimal places) will be _________
asked
Feb 12, 2019
in
new
by
Arjun
(
5.4k
points)
gate2019ee
numericalanswers
0
votes
0
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6
GATE2019 EE: 50
A $30$ kV, $50$ Hz, $50$ MVA generator has the positive, negative, and zero sequence reactances of $0.25$ pu, $0.15$ pu, and $0.05$ pu, respectively. The neutral of the generator is grounded with a reactance so that the fault ... bolted threephase fault at the generator terminal are equal. The value of grounding reactance in ohms (round off to one decimal place) is ___________
asked
Feb 12, 2019
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Arjun
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5.4k
points)
gate2019ee
numericalanswers
0
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0
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7
GATE2019 EE: 51
In the single machine infinite bus system shown below, the generator is delivering the real power of $0.8$ pu at $0.8$ power factor lagging to the infinite bus. The power angle of the generator in degrees (round off to one decimal place) is _________
asked
Feb 12, 2019
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Arjun
(
5.4k
points)
gate2019ee
numericalanswers
0
votes
0
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8
GATE2019 EE: 52
In a $132$ kV system, the series inductance up to the point of circuit breaker location is $50$ mH. The shunt capacitance at the circuit breaker terminal is $0.05 \: \mu F$. The critical value of resistance in ohms required to be connected across the circuit breaker contacts which will give no transient oscillation is ______
asked
Feb 12, 2019
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Arjun
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5.4k
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gate2019ee
numericalanswers
0
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9
GATE2019 EE: 53
In a DCDC boost converter, the duty ratio is controlled to regulate the output voltage at $48$ V. The input DC voltage is $24$ V. The output power is $120$ W. The switching frequency is $50$ kHz. Assume ideal components and a very ... converter operates at the boundary between continuous and discontinuous conduction modes. The value of the boost inductor (in $\mu H$) is ________
asked
Feb 12, 2019
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by
Arjun
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5.4k
points)
gate2019ee
numericalanswers
0
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0
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10
GATE2019 EE: 54
A fullycontrolled threephase bridge converter is working from a $415$ V, $50$ Hz AC supply. It is supplying constant current of $100$ A a $400$ V to a DC load. Assume large inductive smoothing and neglect overlap. The rms value of the AC line current in amperes (round off to two decimal places) is _______
asked
Feb 12, 2019
in
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by
Arjun
(
5.4k
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gate2019ee
numericalanswers
0
votes
0
answers
11
GATE2019 EE: 55
A singlephase fullycontrolled thyristor converter is used to obtain an average voltage of $180$ V with $10$ A constant current to feed a DC load. It is fed from singlephase AC supply of $230$ V, $50$ Hz. Neglect the source impedance. The power factor (round off to two decimal places) of AC mains is _________
asked
Feb 12, 2019
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Arjun
(
5.4k
points)
gate2019ee
numericalanswers
+1
vote
0
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12
Gate EE2014
For a peridic square wave ,which one of the following statements is TRUE? 1). The fourieF series coefficients do not exist 2).The Fourier series coefficients exist but the reconstruction converges at most point. I know the correct answer is 2). But I need some explanation.
asked
Jul 8, 2018
in
Signals and Systems
by
Shaurya khare
(
130
points)
0
votes
0
answers
13
GATE201265
The data given in the following table summarizes the monthly budget of an average household. ... $\textbf{NOT}$ spent on savings is $10\%$ $14\%$ $81\%$ $86\%$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
14
GATE201264
There are eight bags of rice looking alike, seven of which have equal weight and one is slightly heavier. The weighing balance is of unlimited capacity. Using this balance, the minimum number of weighings required to identify the heavier bag is $2$ $3$ $4$ $8$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
15
GATE201263
Raju has $14$ currency notes in his pocket consisting of only Rs. $20$ notes and Rs. $10$ notes. The total money value of the notes is Rs. $230$. The number of Rs. $10$ notes that Raju has is $5$ $6$ $9$ $10$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
16
GATE201262
One of the legacies of the Roman legions was discipline. In the legions, military law prevailed and discipline was brutal. Discipline on the battlefield kept units obedient, intact and fighting, even when the odds and conditions were against them. Which one ... their seniors. The harsh discipline to which the legions were subjected to led to the odds and conditions being against them.
asked
Mar 24, 2018
in
Verbal Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
17
GATE201261
$A$ and $B$ are friends. They decide to meet between 1:00 pm and 2:00 pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
18
GATE201260
Which one of the following options is the closest in meaning to the word given below? $\textbf{Latitude}$ Eligibility Freedom Coercion Meticulousness
asked
Mar 24, 2018
in
Verbal Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
19
GATE201259
Choose the most appropriate word from the options given below to complete the following sentence: $\textbf{Given the seriousness of the situation that he had to face, his _______was impressive.}$ beggary nomenclature jealousy nonchalance
asked
Mar 24, 2018
in
Verbal Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
20
GATE201258
Choose the most appropriate alternative from the options given below to complete the following sentence: $\textbf{If the tired soldier wanted to lie down, he _______ the mattress out on the balcony.}$ should take shall take should have taken will have taken
asked
Mar 24, 2018
in
Verbal Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
21
GATE201257
If $(1.001)^{1259}=3.52$ and $(1.001)^{2062}=7.85,$ then $(1.001)^{3321}=?$ $2.23$ $4.33$ $11.37$ $27.64$
asked
Mar 24, 2018
in
Numerical Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
22
GATE201256
One of the parts (A, B, C, D) in the sentence given below contains an ERROR. Which one of the following is $\textbf{INCORRECT}$? $\textbf{I requested that he should be given the driving test today instead of tomorrow.}$ requested that should be given the driving test instead of tomorrow
asked
Mar 24, 2018
in
Verbal Ability
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
23
GATE201255
The transfer function of a compensator is given as $G_c(s) = \frac{s+a}{s+b}$ The phase of the above lead compensator is maximum at $\sqrt{2}$ rad/s $\sqrt{3}$ rad/s $\sqrt{6}$ rad/s $1 / \sqrt{3}$ rad/s
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
24
GATE201254
The transfer function of a compensator is given as $G_c(s) = \frac{s+a}{s+b}$ $G_c(s)$ is a lead compensator if $a=1, \: b=2$ $a=3, \: b=2$ $a=3, \: b=1$ $a=3, \: b=1$
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
25
GATE201253
In the circuit shown, the three voltmeter readings are $V_1 =220$ V, $V_2=122$ V, $V_3=136$ V. If $R_L=5 \: \Omega$, the approximate power consumption in the load is $700$ W $750$ W $800$ W $850$ W
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
26
GATE201252
In the circuit shown, the three voltmeter readings are $V_1 =220$ V, $V_2=122$ V, $V_3=136$ V. The power factor of the load is $0.45$ $0.50$ $0.55$ $0.60$
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
27
GATE201251
With $10$ V dc connected at port A in the linear nonreciprocal twoport network shown below, the following were observed: $1 \: \Omega$ connected at port B draws a current of $3$ A $2.5 \: \Omega$ connected at port B draws a current of $2$ A With $10$ V dc connected at port A, the current drawn by $7 \: \Omega$ connected at port B is $3/7$ A $5/7$ A $1$ A $9/7$ A
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
28
GATE201250
With $10$ V dc connected at port A in the linear nonreciprocal twoport network shown below, the following were observed: $1 \: \Omega$ connected at port B draws a current of $3$ A $2.5 \: \Omega$ connected at port B draws a current of $2$ A For the same network, with $6$ V dc ... $8$ V dc is connected to port A, the open circuit voltage at port B is $6$ V $7$ V $8$ V $9$ V
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
29
GATE201249
In the $3$phase inverter circuit shown, the load is balanced and the gating scheme is $180^{\circ}$conduction mode. All the switching devices are ideal. If the dc bus voltage $V_d=300$ V, the power consumed by $3$phase load is $1.5$ kW $2.0$ kW $2.5$ kW $3.0$ kW
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
30
GATE201248
In the $3$phase inverter circuit shown, the load is balanced and the gating scheme is $180^{\circ}$conduction mode. All the switching devices are ideal. The rms value of load phase voltage is $106.1$ V $141.4$ V $212.2$ V $282.8$ V
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
31
GATE201247
A single phase $10$ kVA, $50$ Hz transformer with $1$ kV primary winding draws $0.5$ A and $55$ W, at rated voltage and frequency, on no load. A second transformer has a core with all its linear dimensions $\sqrt{2}$ times the corresponding dimensions of the first transformer. The core material and lamination ... , are $0.7$ A, $77.8$ W $0.7$ A, $155.6$ W $1$ A, $110$ W $1$ A, $220$ W
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
32
GATE201246
The locked rotor current in a $3$phase, star connected $15$ kW, $4$pole, $230$ V, $50$ Hz induction motor at rated conditions is $50$ A. Neglecting losses and magnetizing current, the approximate locked rotor line current drawn when the motor is connected to a $236$ V, $57$ Hz supply is $58.5$ A $45.0$ A $42.7$ A $55.6$ A
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
33
GATE201245
An analog voltmeter uses external multiplier settings. With a multiplier setting of $20 \: k \Omega$, it reads $440$ V and with a multiplier setting of $80 \: k \Omega$, it reads $352$ V. For a multiplier setting of $40 \: k \Omega$, the voltmeter reads $371$ V $383$ V $394$ V $406$ V
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
34
GATE201244
The input $x(t)$ and output $y(t)$ of a system are related as $y(t)= \int_ { \infty}^t x(\tau) \cos(3 \tau) d \tau$. The system is timeinvariant and stable stable and not timeinvariant timeinvariant and not stable not timeinvariant and not stable
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
35
GATE201243
The feedback system shown below oscillates at $2$ rads /s when $K=2$ and $a=0.75$ $K=3$ and $a=0.75$ $K=4$ and $a=0.5$ $K=2$ and $a=0.5$
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
36
GATE201242
The Fourier transform of a signal $h(t)$ is $H(j \omega) = (2 \cos \omega) (\sin 2 \omega )/ \omega$. The value of $h(0)$ is $1/4$ $1/2$ $1$ $2$
asked
Mar 24, 2018
in
new
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Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
37
GATE201241
The state variable description of an LTI system is given by ... $a_1 = 0, \: a_2 \neq 0, \: a_3 = 0$ $a_1 \neq 0, \: a_2 \neq 0, \: a_3 = 0$
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
38
GATE201240
Assuming both the voltages sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is $0.8 \: \Omega$ $1.4 \: \Omega$ $2 \: \Omega$ $2.8 \: \Omega$
asked
Mar 24, 2018
in
new
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Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
39
GATE201239
Consider the differential equation $\frac{d^2y(t)}{dt^2} + 2 \frac{dy(t)}{dt} + y(t)=\delta (t)$ with $y(t) \mid_{t=0^}= 2$ and $\frac{dy}{dt} \mid _{t=0^} =0$. The numerical value of $\frac{dy}{dt} \mid _{t=0^+}$ is $2$ $1$ $0$ $1$
asked
Mar 24, 2018
in
new
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Andrijana3306
(
1.4k
points)
gate2012ee
0
votes
0
answers
40
GATE201238
The direction of vector $\textbf{A}$ is radically outward from the origin, with $\mid \textbf{A} \mid k r ^n$ where $r^2=x^2+y^2+z^2$ and $k$ is a constant. The value of $n$ for which $\nabla \cdot \textbf{A} = 0$ is $2$ $2$ $1$ $0$
asked
Mar 24, 2018
in
new
by
Andrijana3306
(
1.4k
points)
gate2012ee
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