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1
GATE20162GA5
If $9y−6 =3$, then $y^{2}4y/3$ is . $0$ $+1/3$ $1/3$ undefined
asked
Jan 30, 2017
in
Calculus
by
makhdoom ghaya
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9.3k
points)
gate2016ee2
linearequation
quadraticequation
mode
0
votes
1
answer
2
GATE20162GA1
The chairman requested the aggrieved shareholders to _________________ him. Bare with Bore with Bear with Bare
asked
Jan 30, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
englishgrammar
verbal
0
votes
1
answer
3
GATE20161GA2
Nobody knows how the Indian cricket team is going to cope with the difficult and seamerfriendly wickets in Australia. Choose the option which is closest in meaning to the underlined phrase in the above sentence. Put up with Put in with Put down to Put up against
asked
Jan 30, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
verbal
englishgrammar
0
votes
1
answer
4
GATE20161GA3
Find the odd one in the following group of words. mock, deride, praise, jeer Mockderide Deride Praise Jeer
asked
Jan 30, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
verbal
vocabulary
0
votes
0
answers
5
GATE20161GA4
Pick the odd one from the following options. CADBE JHKIL XVYWZ ONPMQ
asked
Jan 30, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
grammar
analytical
0
votes
0
answers
6
GATE20161GA5
In a quadratic function, the value of the product of the roots $(\alpha, \beta)$ is $4$. Find the value of $\frac{\alpha^{n}+\beta^{n}}{\alpha^{n}+\beta^{n}}$ $n^{4}$ $4^{n}$ $2^{2n1}$ $4^{n1}$
asked
Jan 30, 2017
in
Linear Algebra
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
functions
roots
sequence
0
votes
0
answers
7
GATE20161GA6
Among $150$ faculty members in an institute, $55$ are connected with each other through Facebook® and $85$ are connected through WhatsApp®. $30$ faculty members do not have Facebook® or WhatsApp® accounts. The number of faculty members connected only through Facebook® accounts is _________. $35$ $45$ $65$ $90$
asked
Jan 30, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
analytical
logical
generalmath
0
votes
0
answers
8
GATE20161GA7
Computers were invented for performing only highend useful computations. However, it is no understatement that they have taken over our world today. The internet, for example, is ubiquitous. Many believe that the internet itself is an unintended consequence of the original invention. ... internet are both intended inventions (i) only (ii) only Both (i) and (ii) Neithe (i) nor (ii)
asked
Jan 30, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
generalmath
logical
infer
0
votes
0
answers
9
GATE20161GA8
All hillstations have a lake. Ooty has two lakes. Which of the statement(s) below is/are logically valid and can be inferred from the above sentences? (i) Ooty is not a hillstation. (ii) No hillstation can have more than one lake. (i) only (ii) only Both (i) and (ii) Neither (i) nor (ii)
asked
Jan 30, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
logical
generalmath
numerical
0
votes
0
answers
10
GATE20161GA9
In a $2 \times 4$ rectangle grid shown below, each cell is a rectangle. How many rectangles can be observed in the grid? $21$ $27$ $30$ $36$
asked
Jan 30, 2017
in
Numerical Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
generalmath
analytical
0
votes
0
answers
11
GATE20161GA10
Choose the correct expression for $f(x)$ given in the graph. $f(x) = 1  x  1$ $f(x) = 1 + x  1$ $f(x) = 2  x  1$ $f(x) = 2 + x  1$
asked
Jan 30, 2017
in
Calculus
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
compositefunctions
arrowdiagram
shifting
0
votes
0
answers
12
GATE20161GA1
The man who is now Municipal Commissioner worked as __________. The security guard at a university A security guard at the university A security guard at university The security guard at the university
asked
Jan 30, 2017
in
Verbal Ability
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
grammar
verbal
0
votes
0
answers
13
GATE2016148
A threephase, $50 Hz$ salientpole synchronous motor has a perphase directaxis reactance $(X_{d})$ of $0.8$ pu and a perphase quadratureaxis reactance $(X_{q})$ of $0.6$ pu. Resistance of the machine is negligible. It is drawing fullload current at $0.8$ pf(leading). When the terminal voltage is $1$ pu, perphase induced voltage, in pu, is _______.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
damperwinding
constantdcfieldwinding
reactivepower
numericalanswers
0
votes
0
answers
14
GATE2016149
A singlephase, $22 kVA, 2200 V/ 220 V, 50 Hz$, distribution transformer is to be connected as an autotransformer to get an output voltage of $2420 V$. Its maximum $kVA$ rating as an autotransformer is $22$ $24.2$ $242$ $2420$
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
leakagereactance
transformationratio
magnetizationbranch
0
votes
0
answers
15
GATE2016150
A singlephase fullbridge voltage source inverter $(VSI)$ is fed from a $300 V$ battery. A pulse of $120$° duration is used to trigger the appropriate devices in each halfcycle. The rms value of the fundamental component of the output voltage, in volts, is $234$ $245$ $300$ $331$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
powerelectronicsinverters
pulsewidthmodulationininverters
halfbridgeinverters
0
votes
0
answers
16
GATE2016151
A singlephase transmission line has two conductors each of $10$ mm radius. These are fixed at a centertocenter distance of $1$ m in a horizontal plane. This is now converted to a threephase transmission line by introducing a third conductor of the same ... $5$% more than that of the inductance per conductor of the singlephase system. The distance $D$, in meters, is _________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
transmissionsystemdesign
transmissionparameters
transposition
numericalanswers
0
votes
0
answers
17
GATE2016152
In the circuit shown below, the supply voltage is $10 \sin(1000t)$ volts. The peak value of the steady state current through the $1 \Omega$ resistor, in amperes, is ________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
meshanalysis
nodalanalysis
sinusoidalvoltagesource
numericalanswers
0
votes
0
answers
18
GATE2016153
A dc voltage with ripple is given by $v(t)=\left [ 100+10\sin\left ( \omega t \right )5\sin\left ( 3\omega t \right ) \right ]$ volts. Measurements of this voltage $v(t)$ made by movingcoil and movingiron voltmeters, show readings of $V_{1}$ and $V_{2}$ respectively. The value of $V_{2} − V_{1}$, in volts, is ________.
asked
Jan 30, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
faradaylaw
magneticinduction
inducedemf
numericalanswers
0
votes
0
answers
19
GATE2016154
The circuit below is excited by a sinusoidal source. The value of $R$, in $\Omega$, for which the admittance of the circuit becomes a pure conductance at all frequencies is _____________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
capacitance
inductance
sinusoidalsource
numericalanswers
0
votes
0
answers
20
GATE2016155
In the circuit shown below, the node voltage $V_{A}$ is ___________ $V$.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
elctronics
dependentvoltgesource
nodalanalysis
numericalanswers
0
votes
0
answers
21
GATE2016134
Suppose $x_{1}(t)$ and $x_{2}(t)$ have the Fourier transforms as shown below. Which one of the following statements is TRUE? $x_{1}(t)$ and $x_{2}(t)$ are complex and $x_{1}(t) x_{2}(t)$is also complex with nonzero imaginary part $x_{1}(t)$ and $x_{2}(t)$ ... but $x_{1}(t) x_{2}(t)$ is real $x_{1}(t)$ and $x_{2}(t)$ are imaginary but $x_{1}(t) x_{2}(t)$ is real
asked
Jan 30, 2017
in
Signals and Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
mirror
signal
0
votes
0
answers
22
GATE2016135
The output of a continuoustime, linear timeinvariant system is denoted by $T\left\{x(t)\right\}$ where $x(t)$ is the input signal. A signal $z(t)$ is called eigensignal of the system $T$, when $T\left\{z(t)\right\}=\gamma z(t)$ where $\gamma$ is ... eigenvalues $\sin(t)$ is an eigensignal but $\cos(t)$ is not $\cos(t)$ and $\sin(t)$are both eigensignals with identical eigenvalues
asked
Jan 30, 2017
in
Signals and Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
impulseresponse
stepresponse
convolution
0
votes
0
answers
23
GATE2016136
The current state $Q_{A} Q_{B}$ of a two $JK$ flipflop system is $00$. Assume that the clock risetime is much smaller than the delay of the $JK$ flipflop. The next state of the system is $00$ $01$ $11$ $10$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
registers
ram
memorystoringelements
0
votes
0
answers
24
GATE2016137
A $2$bit flash Analog to Digital Converter $(ADC)$ is given below. The input is $0 \leq V_{IN} \leq 3$ Volts. The expression for the $LSB$ of the output $B_{0}$ as a Boolean function of $X_{2}, X_{1}$, and $X_{0}$ ... $X_{0}\left[X_{2} \bigoplus X_{1}\right]$ $\bar{X_{0}}\left[X_{2} \bigoplus X_{1}\right]$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
leastsignificantbit
booleanexpression
operationalamplifier
0
votes
0
answers
25
GATE2016138
Two electric charges $q$ and $−2q$ are placed at $(0,0)$ and $(6,0)$ on the $xy$ plane. The equation of the zero equipotential curve in the $xy$ plane is $x=2$ $y=2$ $x^{2}+y^{2}=2$ $(x+2)^{2}+y^{2}=16$
asked
Jan 30, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
electromagnetism
electromagnetictheory
coulomb'slaw
0
votes
0
answers
26
GATE2016139
In the circuit shown, switch $S_{2}$ has been closed for a long time. At time $t=0$ switch $S_{1}$ is closed. At $t=0^{+}$, the rate of change of current through the inductor, in amperes per second, is _____.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
highfrequencyswitch
dcbattery
rlload
numericalanswers
0
votes
0
answers
27
GATE2016140
A threephase cable is supplying $800 kW$ and $600 kVAr$ to an inductive load. It is intended to supply an additional resistive load of $100 kW$ through the same cable without increasing the heat dissipation in the cable, by providing a threephase bank of ... the line voltage is $3.3 kV$, $50 Hz$, the capacitance per phase of the bank, expressed in microfarads, is ________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
activepower
reactivepower
heatlosses
numericalanswers
0
votes
0
answers
28
GATE2016141
A $30 MVA$, $3$phase, $50 Hz$, $13.8 kV$, starconnected synchronous generator has positive, negative and zero sequence reactances, $15$%, $15$% and $5$% respectively. A reactance $(X_{n})$ is connected between the neutral of the generator and ground. A double ... $X_{n}$ (in p.u.) that will limit the positive sequence generator current to $4270$ A is ________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
slip
powersystemfaults
sequencenetworks
numericalanswers
0
votes
0
answers
29
GATE2016142
If the star side of the stardelta transformer shown in the figure is excited by a negative sequence voltage, then $V_{AB}$ leads $V_{ab}$ by $60$º $V_{AB}$ lags $V_{ab}$ by $60$º $V_{AB}$ leads $V_{ab}$ by $30$º $V_{AB}$ lags $V_{ab}$ by $30$º
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
sequencevoltages
startodeltaconversion
120phaseshift
0
votes
0
answers
30
GATE2016143
A singlephase thyristorbridge rectifier is fed from a $230 V, 50 Hz$, singlephase $AC$ mains. If it is delivering a constant $DC$ current of $10 A$, at firing angle of $30$°, then value of the power factor at $AC$ mains is $0.87$ $0.9$ $0.78$ $0.45$
asked
Jan 30, 2017
in
new
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
actodcconversion
magnitudecontrol
phasecontrol
0
votes
0
answers
31
GATE2016144
The switches $T1$ and $T2$ in Figure (a) are switched in a complementary fashion with sinusoidal pulse width modulation technique. The modulating voltage $v_{m}(t)=0.8\sin (200\pi t) V$ and the triangular carrier voltage $(v_{c})$ are as shown in Figure (b). The ... frequency is $5 kHz$. The peak value of the $100 Hz$ component of the load current $(i_{L})$, in ampere, is ________ .
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
pulsewidthmodulation
carrierwaves
modulatingtechniques
numericalanswers
0
votes
0
answers
32
GATE2016145
The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turnON transition are shown in figure. The energy dissipated during the turnON transition, in $mJ$, is _______.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
semiconductordevices
bipolarjunction
transistors
turnoncharacteristicsoftransistor
numericalanswers
0
votes
0
answers
33
GATE2016146
A singlephase $400 V, 50 Hz$ transformer has an iron loss of $5000 W$ at the rated condition. When operated at $200 V, 25 Hz$, the iron loss is $2000 W$. When operated at $416 V, 52 Hz$, the value of the hysteresis loss divided by the eddy current loss is _______.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
transformerwinding
transformercore
hysterisisloss
numericalanswers
0
votes
0
answers
34
GATE2016147
A $DC$ shunt generator delivers $45 A$ at a terminal voltage of $220 V$. The armature and the shunt field resistances are $0.01 \Omega$ and $44 \Omega$ respectively. The stray losses are $375 W$. The percentage efficiency of the $DC$ generator is _________.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
efficiency
corelosses
misclosses
numericalanswers
0
votes
0
answers
35
GATE2016120
The magnitude of threephase fault currents at buses $A$ and $B$ of a power system are $10$ pu and $8$ pu, respectively. Neglect all resistances in the system and consider the prefault system to be unloaded. The prefault voltage at all buses in the system is $1.0$ pu. ... $A$ is $0.8$ pu. The voltage magnitude at bus $A$ during a threephase fault at bus $B$, in pu, is __________.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
faultanalysis
powersystembuses
3phaseshortcircuit
numericalanswers
0
votes
0
answers
36
GATE2016121
Consider a system consisting of a synchronous generator working at a lagging power factor, a synchronous motor working at an overexcited condition and a directly gridconnected induction generator. Consider capacitive $VAr$ ... is a source and induction generator and synchronous generator are sinks of reactive power. All are sources of reactive power.
asked
Jan 30, 2017
in
Power Systems
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
unitypowerfactor
sourceofreactivepower
load
0
votes
0
answers
37
GATE2016122
A buck converter, as shown in Figure (a) below, is working in steady state. The output voltage and the inductor current can be assumed to be ripple free. Figure (b) shows the inductor voltage $v_{L}$ during a complete switching interval. Assuming all devices are ideal, the duty cycle of the buck converter is ___________.
asked
Jan 30, 2017
in
Electrical and Electronic Measurements
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
voltagelevelshift
continuousconductionmode
boundaryconditions
reversecurrent
numericalanswers
0
votes
0
answers
38
GATE2016123
A steady dc current of $100$ $A$ is flowing through a power module $(S, D)$ as shown in Figure (a). The $VI$ characteristics of the $IGBT (S)$ and the diode $(D)$ are shown in Figures $(b)$ and $(c)$, respectively. The conduction power loss in the power module $(S, D)$, in watts, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
voltagevscurrent
transistor
diode
numericalanswers
0
votes
0
answers
39
GATE2016124
A $4$pole, lapconnected, separately excited $dc$ motor is drawing a steady current of $40$ A while running at $600$ rpm. A good approximation for the waveshape of the current in an armature conductor of the motor is given by
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
rotor
stator
winding
0
votes
0
answers
40
GATE2016125
If an ideal transformer has an inductive load element at port $2$ as shown in the figure below, the equivalent inductance at port $1$ is $nL$ $n^{2}L$ $\frac{n}{L}$ $\frac{n^{2}}{L}$
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
turnratio
inductiveload
coil
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