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1021
GATE Electrical 2014 Set 3 | GA Question: 10
Consider the equation: $(7526)_8$ − $(Y)_8$ = $(4364)_8$ , where $(X)_N$ stands for $X$ to the base $N$. Find $Y$ $1634$ $1737$ $3142$ $3162$
Consider the equation: $(7526)_8$ − $(Y)_8$ = $(4364)_8$ , where $(X)_N$ stands for $X$ to the base $N$. Find $Y$$1634$$1737$$3142$$3162$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2014-ee-3
numerical-ability
number-system
+
–
0
votes
0
answers
1022
GATE Electrical 2015 Set 2 | Question: 23
A $4$-pole, separately excited, wave wound $DC$ machine with negligible armature resistance is rated for $230$ V and $5$ kW at a speed of $1200$ rpm. If the same armature coils are reconnected to form a lap winding, what is the rated voltage (in volts) and ... field circuit is left unchanged ? $230$ and $5$ $115$ and $5$ $115$ and $2.5$ $230$ and $2.5$
A $4$-pole, separately excited, wave wound $DC$ machine with negligible armature resistance is rated for $230$ V and $5$ kW at a speed of $1200$ rpm. If the same armature...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2015-ee-2
lap-winding
armature-core
revolution-per-minute
+
–
0
votes
0
answers
1023
GATE Electrical 2014 Set 2 | Question: 5
Consider the differential equation $x^2\dfrac{d^2y}{dx^2}+x\dfrac{dy}{dx}-y=0$. Which of the following is a solution to this differential equation for $x>0$? $e^x$ $x^2$ $1/x$ $\ln x$
Consider the differential equation $x^2\dfrac{d^2y}{dx^2}+x\dfrac{dy}{dx}-y=0$. Which of the following is a solution to this differential equation for $x>0$?$e^x$$x^2$$1/...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Differential Equations
gate2014-ee-2
derivatives
equations
+
–
0
votes
0
answers
1024
GATE Electrical 2014 Set 2 | Question: 24
A step-up chopper is used to feed a load at $400$ $V$ $dc$ from a $250$ $V$ $dc$ source. The inductor current is continuous. If the ‘off’ time of the switch is $20$ $μs$, the switching frequency of the chopper in $kHz$ is ____________.
A step-up chopper is used to feed a load at $400$ $V$ $dc$ from a $250$ $V$ $dc$ source. The inductor current is continuous. If the ‘off’ time of the switch is $20$ $...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-2
boost-converter
numerical-answers
+
–
0
votes
0
answers
1025
GATE Electrical 2014 Set 2 | GA Question: 5
The value of $\sqrt{12+\sqrt{12+\sqrt{12+....}}}$ is $3.464$ $3.932$ $4.000$ $4.444$
The value of $\sqrt{12+\sqrt{12+\sqrt{12+....}}}$ is$3.464$$3.932$$4.000$$4.444$
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2014-ee-2
numerical-ability
numerical-computation
+
–
0
votes
0
answers
1026
GATE Electrical 2015 Set 1 | Question: 5
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\Omega$ and $R_{3}=100\Omega$. If $R_{3}$ is known with $ \pm 5 \%$ tolerance on its nominal ... $R_{X}$ in Ohms? $[123.50, 136.50]$ $[125.89, 134.12]$ $[117.00, 143.00]$ $[120.25, 139.75]$
When the Wheatstone bridge shown in the figure is used to find the value of resistor $R_{X}$, the galvanometer $G$ indicates zero current when $R_{1}=50\Omega, R_{2}=65\O...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
bridge-circuit
galvanometer
tolerance
+
–
0
votes
0
answers
1027
GATE Electrical 2013 | Question: 45
A $4$ – pole induction motor, supplied by a slightly unbalanced three-phase $50 Hz$ source, is rotating at $1400\:rpm$. The electrical frequency in $Hz$ of the induced negative sequence current in the rotor is $100$ $98$ $52$ $48$
A $4$ – pole induction motor, supplied by a slightly unbalanced three-phase $50 Hz$ source, is rotating at $1400\:rpm$. The electrical frequency in $Hz$ of the induced ...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Power Systems
gate2013-ee
salient-poles
sequence-current
+
–
0
votes
0
answers
1028
GATE Electrical 2014 Set 2 | Question: 36
A $250$ $V$ $dc$ shunt machine has armature circuit resistance of $0.6$ $Ω$ and field circuit resistance of $125$ $Ω$. The machine is connected to $250$ $V$ supply mains. The motor is operated as a generator and then as a motor separately ... in both the cases is $50$ $A$. The ratio of the speed as a generator to the speed as a motor is ____________.
A $250$ $V$ $dc$ shunt machine has armature circuit resistance of $0.6$ $Ω$ and field circuit resistance of $125$ $Ω$. The machine is connected to $250$ $V$ supply main...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-2
core-resistance
armature-winding
numerical-answers
+
–
0
votes
0
answers
1029
GATE Electrical 2014 Set 2 | Question: 47
Suppose that resistors $R_1$ and $R_2$ are connected in parallel to give an equivalent resistor $R$. If resistors $R_1$ and $R_2$ have tolerance of $1 \%$ each, the equivalent resistor $R$ for resistors $R_1=300\: \Omega$ and $R_2 = 200 \: \Omega$ will have tolerance of $0.5 \%$ $1 \%$ $1.2 \%$ $2 \%$
Suppose that resistors $R_1$ and $R_2$ are connected in parallel to give an equivalent resistor $R$. If resistors $R_1$ and $R_2$ have tolerance of $1 \%$ each, the equiv...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
power-systems
parallel-combination
tolerance
+
–
0
votes
0
answers
1030
GATE Electrical 2015 Set 1 | Question: 32
A self commutating switch $SW$, operated at duty cycle $\delta$ is used to control the load voltage as shown in the figure Under steady state operating conditions, the average voltage across the inductor and the capacitor respectively, are $V_{L}=0$ ... $V_{L}=\dfrac{\delta}{2}V_{dc}$ and $V_{c}=\dfrac{\delta}{1-\delta} V_{dc}$
A self commutating switch $SW$, operated at duty cycle $\delta$ is used to control the load voltage as shown in the figureUnder steady state operating conditions, the ave...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2015-ee-1
duty-cycle
self-commutating-switch
+
–
0
votes
0
answers
1031
GATE Electrical 2014 Set 1 | Question: 37
A $15\: kW, 230\: V\:dc$ shunt motor has armature circuit resistance of $0.4\: Ω$ and field circuit resistance of $230\: Ω.$ At no load and rated voltage, the motor runs at $1400$ ... , the motor draws a line current of $70\: A.$ Neglect armature reaction. The full load speed of the motor in rpm is _________.
A $15\: kW, 230\: V\:dc$ shunt motor has armature circuit resistance of $0.4\: Ω$ and field circuit resistance of $230\: Ω.$ At no load and rated voltage, the motor run...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electrical Machines
gate2014-ee-1
eletrical-machines
armature-winding
revolution-per-minute
numerical-answers
+
–
0
votes
0
answers
1032
GATE Electrical 2015 Set 1 | Question: 43
A $50 \text{ Hz}$ generating unit has H-constant of $2 \text{ MJ/MVA}$. The machine is initially operating in steady state at synchronous speed, and producing $1 \:pu$ of real power. The initial value of the rotor angle $\delta$ ... power to remain at $1 \: pu$, the value of $\delta$ in degrees, $0.02$ second after the fault is _________.
A $50 \text{ Hz}$ generating unit has H-constant of $2 \text{ MJ/MVA}$. The machine is initially operating in steady state at synchronous speed, and producing $1 \:pu$ of...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2015-ee-1
short-circuit-fault
synchronous-speed
numerical-answers
+
–
0
votes
0
answers
1033
GATE Electrical 2015 Set 2 | Question: 29
Consider a signal defined by $x(t)= \begin{cases} e^{j10 t} & \text{for } \mid t \mid \leq 1 \\ 0& \text{for } \mid t \mid > 1\end{cases}$ Its Fourier Transform is $\dfrac{2 \sin (\omega -10)}{\omega - 10}\\$ ... $\dfrac{2 \sin \omega}{\omega - 10} \\$ $e^{j10 \omega }\dfrac{2 \sin\omega }{\omega }$
Consider a signal defined by$x(t)= \begin{cases} e^{j10 t} & \text{for } \mid t \mid \leq 1 \\ 0& \text{for } \mid t \mid 1\end{cases}$Its Fourier Transform is$\dfrac...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Signals and Systems
gate2015-ee-2
fourier-analysis
causal-system
+
–
0
votes
0
answers
1034
GATE Electrical 2015 Set 1 | Question: 18
The voltages developed across the $3 \Omega$ and $2 \Omega$ resistors shown in the figure are $6 V$ and $2 V$ respectively, with the polarity as marked. What is the power (in Watt) delivered by the $5 V$ voltage source? $5$ $7$ $10$ $14$
The voltages developed across the $3 \Omega$ and $2 \Omega$ resistors shown in the figure are $6 V$ and $2 V$ respectively, with the polarity as marked. What is the power...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Electric Circuits
gate2015-ee-1
voltage-source
polarity
+
–
0
votes
0
answers
1035
GATE Electrical 2015 Set 1 | GA Question: 3
Which one of the following combinations is incorrect? Acquiescence - Submission Wheedle - Roundabout Flippancy - Lightness Profligate - Extravagant
Which one of the following combinations is incorrect?Acquiescence - SubmissionWheedle - RoundaboutFlippancy - LightnessProfligate - Extravagant
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Verbal Aptitude
gate2015-ee-1
verbal-ability
word-pairs
+
–
0
votes
0
answers
1036
GATE Electrical 2015 Set 1 | GA Question: 5
Given set $A=\left\{ 2, 3, 4, 5\right\}$ and set $B=\left\{ 11, 12, 13, 14, 15\right\}$, two numbers are randomly selected, one from each set. What is the probability that the sum of two numbers equal $16$? $0.20$ $0.25$ $0.30$ $0.33$
Given set $A=\left\{ 2, 3, 4, 5\right\}$ and set $B=\left\{ 11, 12, 13, 14, 15\right\}$, two numbers are randomly selected, one from each set. What is the probability tha...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Quantitative Aptitude
gate2015-ee-1
numerical-ability
probability
+
–
0
votes
0
answers
1037
GATE Electrical 2013 | Question: 47
When the $\text{Newton-Raphson}$ method is applied to solve the equation $f(x)=x^3+2x-1=0$ ,the solution at the end of the first iteration with the initial guess value as $x_0$ =$1.2$ is $-0.82$ $0.49$ $0.705$ $1.69$
When the $\text{Newton-Raphson}$ method is applied to solve the equation $f(x)=x^3+2x-1=0$ ,the solution at the end of the first iteration with the initial guess value a...
piyag476
1.6k
points
piyag476
asked
Feb 11, 2017
Power Systems
gate2013-ee
iterative-techniques
line-losses
+
–
0
votes
0
answers
1038
GATE Electrical 2015 Set 2 | Question: 50
A $220$ V, $3$-phase, $4$-pole, $50$ Hz inductor motor of wound rotor type is supplied at rated voltage and frequency. The stator resistance, magnetizing reactance, and core loss are negligible. The maximum torque produced by the rotor ... resistance (in Ohm) which must be inserted in a rotor phase if the maximum torque is to occur at start is _________.
A $220$ V, $3$-phase, $4$-pole, $50$ Hz inductor motor of wound rotor type is supplied at rated voltage and frequency. The stator resistance, magnetizing reactance, and c...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
new
gate2015-ee-2
numerical-answers
+
–
0
votes
0
answers
1039
GATE Electrical 2014 Set 3 | Question: 23
In $8085A$ microprocessor, the operation performed by the instruction $LHLD$ $2100_H$ is $(H)\leftarrow 21_H$ , $(L)\leftarrow 00_H$ $(H)\leftarrow M(2100_H)$ , $(L)\leftarrow M(2101_H)$ $(H)\leftarrow M(2101_H)$ , $(L)\leftarrow M(2100_H)$ $(L)\leftarrow 00_H$ , $(H)\leftarrow 21_H$
In $8085A$ microprocessor, the operation performed by the instruction $LHLD$ $2100_H$ is$(H)\leftarrow 21_H$ , $(L)\leftarrow 00_H$$(H)\leftarrow M(2100_H)$ , $(L)\le...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Analog and Digital Electronics
gate2014-ee-3
binary-code
processing
+
–
0
votes
0
answers
1040
GATE Electrical 2014 Set 2 | Question: 12
A single phase, $50$ $kVA$, $1000V$/$100V$ two winding transformer is connected as an autotransformer as shown in the figure. The $kVA$ rating of the autotransformer is _____________.
A single phase, $50$ $kVA$, $1000V$/$100V$ two winding transformer is connected as an autotransformer as shown in the figure.The $kVA$ rating of the autotransformer is __...
makhdoom ghaya
9.4k
points
makhdoom ghaya
asked
Feb 11, 2017
Power Systems
gate2014-ee-2
auto-transformer
step-down-transformer
numerical-answers
+
–
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