GATE EE 2018
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GATE EE

A 0-1 Ampere moving iron ammeter has an internal resistance of 50 m$$\Omega $$ and inductance of 0.1 mH. A shunt coil is
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Two wattmeter method is used for measurement of power in a balanced three-phase load supplied from a balanced three-phas
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A single-phase 100 kVA, 1000 V / 100 V, 50 Hz transformer has a voltage drop of 5% across its series impedance at full l
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A transformer with toroidal core of permeability $$\mu $$ is shown in the figure. Assuming uniform flux density across t
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A separately excited dc motor has an armature resistance R$$a$$ = 0.05⁡Ω. The field excitation is kept constant. At an a
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A 200 V DC series motor, when operating from rated voltage while driving a certain load, draws 10 A current and runs at
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A 3-phase 900 kVA, 3 kV / $$\sqrt 3 $$ kV (Δ/Y), 50 Hz transformer has primary (high voltage side) resistance per phase
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In a salient pole synchronous motor, the developed reluctance torque attains the maximum value when the load angle in el
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The equivalent circuit of a single phase induction motor is shown in the figure, where the parameters are R1 = R2' = Xl1
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A positive charge of 1 nC is placed at (0, 0, 0.2) where all dimensions are in metres. Consider the x - y plane to be a
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The capacitance of an air-filled parallel-plate capacitor is 60 pF. When a dielectric slab whose thickness is half the d
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Four power semiconductor devices are shown in the figure along with their relevant terminals. The device(s) that can car
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The waveform of the current drawn by a semi-converter from a sinusoidal AC voltage source is shown in the figure. If I0
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A phase controlled single phase rectifier, supplied by an AC source, feeds power to an R-L-E load as shown in the figure
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A single phase fully controlled rectifier is supplying a load with an anti-parallel diode as shown in the figure. All sw
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The figure shows two buck converters connected in parallel. The common input dc voltage for the converters has a value o
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A dc to dc converter shown in the figure is charging a battery bank, B2 whose voltage is constant at 150 V. B1 is anothe
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In the figure, the voltages are $${v_1}\left( t \right) = 100\cos \left( {\omega t} \right)$$ $${v_2}\left( t \right) =
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Consider the two bus power system network with given loads as shown in the figure. All the values shown in the figure ar
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The series impedance matrix of a short three-phase transmission line in phase coordinates is $$\left[ {\matrix{ {{Z_s
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The positive, negative and zero sequence impedances of a three phase generator are Z1, Z2 and Z0 respectively. For a lin
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The positive, negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator a
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Consider a lossy transmission line with V1 and V2 as the sending and receiving end voltages, respectively. Z and X are t
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The per-unit power output of a salient-pole generator which is connected to an infinite bus, is given by the expression,
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A 1000 $$ \times $$ 1000 bus admittance matrix for an electric power system has 8000 non-zero elements. The minimum numb
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General Aptitude

Functions F(a, b) and G(a, b) are defined as follows: F(a, b) = (a - b)2 and G(a, b) = |a - b| , where |x| represents th
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"A common misconception among writers is that sentence structure mirrors thought; the more _________ the structure, the
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The three roots of the equation f(x) = 0 are x = {-2, 0, 3}. What are the three values of x for which f(x -3) = 0?
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For what values of k given below is $${{{{\left( {k + 2} \right)}^2}} \over {k - 3}}$$ an integer?
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"Since you have gone off the ________, the _________ sand is likely to damage the car." The words that best fill the bla
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An e-mail password must contain three characters. The password has to contain one numeral from 0 to 9, one upper case an
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In a certain code, AMCF is written as EQGJ and NKUF is written as ROYJ. How will DHLP be written in that code?
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A class of twelve children has two more boys than girls. A group of three children are randomly picked from this class t
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A designer uses marbles of four different colours for his designs. The cost of each marble is the same, irrespective of
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P, Q, R and S crossed a lake in a boat that can hold a maximum of two persons, with only one set of oars. The following
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