SSC JE Electrical Engineering 2013

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In the following questions, seleet the related figure/letters/number from the given alternatives.

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In the following questions, select the one which different from the other three responses.

For the following questions answer them individually
SSC JE Electrical Engineering 2013 - Question 22

In the following words, the group of letters should not contain more than three vowels. Which of the following words does not conform to the rule?

In the following questions, choose the correct alternative from the given responses that will complete the series.

For the following questions answer them individually
SSC JE Electrical Engineering 2013 - Question 27

My father haa two brothers. The youngest has two sons and one daughter. The elder one has one son and two daughters and the remaining one has three sons. If my father has four nephews, how many cousins (brothers) have I got ?

SSC JE Electrical Engineering 2013 - Question 29

A car covers the first half. of the distance between two places at 40 km/hr and the second half of the distance at 60 km/hr. So what is the average speed of the car?

SSC JE Electrical Engineering 2013 - Question 32

Some equations are solved on the basis of a certain system. On the same basis, find out the correct answer for the unsolved equation. If $$4^2 = 7$$, $$5^2 = 7$$, $$6^2 = 9$$, then $$7^2 = ?$$

In the following questions, find the missing number from the given responses.

For the following questions answer them individually
SSC JE Electrical Engineering 2013 - Question 38

Ram travelled 6 ft towards West, he turned left and walked 8 ft, then turned left and walked 4 ft, then turned left and walked 8 ft again. How far is he now from the starting point ?

SSC JE Electrical Engineering 2013 - Question 40

The door of Priya’s house faces East. From the back side of the house, she walks straight 50 meters, then turns to the right and walks 50 meters again. Finally, she turns towards the left and stops afler walking 25 meters. Now Priya is facing which direction ?

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In the following questions, one or two statements are given, followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts, You have to decide which of the given conclusions, if any, follows from the given statements.

SSC JE Electrical Engineering 2013 - Question 44

Statement :
A social movement is an interaction of people with a common motivational base in frustration.

Conclusions :
I. In a social movement, people who are satisfied interact with frustrated people.
II. Frustrated people interact with each other in a social movement.

SSC JE Electrical Engineering 2013 - Question 45

Statements:
All scientists are hard-working. No hard-working man is poor.

Conclusions:
I. No scientist is poor
II. No poor man is a scientist.

For the following questions answer them individually
SSC JE Electrical Engineering 2013 - Question 47

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, eg. ‘A’ can be represented by 13, 76, etc., and ‘G’ can be represented by 22, 65, etc. Similarly, you have ta identify the set for the word ‘PUBLIC’.

SSC JE Electrical Engineering 2013 - Question 53

The main reabon for the high growth of money supply im India since 1970 has been the rise in

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SSC JE Electrical Engineering 2013 - Question 89

In India, the day $$5^{th}$$ September is celebrated as Teacher's Day to honour the birthday of

SSC JE Electrical Engineering 2013 - Question 101

The voltage wave $$ v = V_m \sin (\omega t - 15^\circ)$$ volts is mapplied across an AC circuit. If the current leads the voltage by $$ 10^\circ$$ and the maximum value of currents is $$I_m$$ , then the equation of current is

SSC JE Electrical Engineering 2013 - Question 102

The average value of current $$ (I_{av})$$ of a sinusoidal wave of peak value $$ (I_{am})$$ is

SSC JE Electrical Engineering 2013 - Question 103

The emf induced in a coil is given by $$ e = -N \frac{2\phi}{dt}$$ where e is the emf imduced, N is the number of turns and $$ d \phi $$ is the instantaneous flux linkage withthe coil in time dt

SSC JE Electrical Engineering 2013 - Question 106

The load characteristic of DC shunt generator is determined by

SSC JE Electrical Engineering 2013 - Question 107

How many watt-seconds are supplied by a motor developing 2 hp (British) for 5 hours

SSC JE Electrical Engineering 2013 - Question 108

A 4-pole generator is running at 1200 rpm. The frequency and time period of the emf generated in its coils respectively

SSC JE Electrical Engineering 2013 - Question 109

The single phase Induction Motor (IM) which does not have centrifugal switch is

SSC JE Electrical Engineering 2013 - Question 110

When a multiplier is added to an existing voltmeter for extending its range, its electromagnetic damping

SSC JE Electrical Engineering 2013 - Question 111

Phasor diagram of load voltage (V), current in pressure coil $$(I_p)$$ and current in current coil $$(I_C)$$ is shown in the figure when an electrodynamic watt meter is used to measure power. The reading of the watt meter will be proportional to

SSC JE Electrical Engineering 2013 - Question 114

In indicating instruments the springs are mainly used to

SSC JE Electrical Engineering 2013 - Question 115

A balanced 3-phase, 3-wire supply feeds balanced star connected resistors. If one of the resistors is disconnected, then the percentage reduction in load will be

SSC JE Electrical Engineering 2013 - Question 116

The total flux at the end of a long permanent bar magnet is $$ 100 \times 10^{-6} Wb$$. The end of this magnet is withdrawn through a 1000 turn coil in 1/20 seconds. The induced e.m.f. in the coil is

SSC JE Electrical Engineering 2013 - Question 117

In reference to the figure, the voltage waveform v(t) is measured by a PMMC, a PMMC combined with bridge rectifier and a moving iron (MI) instrument. Two lists are prepared thereafter


The correct option relation the instruments and their reading is

SSC JE Electrical Engineering 2013 - Question 118

The switching transistor as shown, carries in the collector side an rms current of 8 mA. If the frequency of rectangular pulse train $$ V_i $$ is 50 Hz, then on-time of the transistor is

SSC JE Electrical Engineering 2013 - Question 119

A ammeter of resistance $$ R_m $$ is placed an arrangement as shown in the figure. Material of $$ R_m, R_{sh} $$ is copper whereas that of $$ R_s, R_x $$ is manganin. The condition for which the meter performance is compensated against temperature, is

SSC JE Electrical Engineering 2013 - Question 120

If a 110 V, 50 Hz is applied across a PMMC voltmeter of full-scale range 0-220 V and internal resistance of $$ 10Ω $$, reading of the voltmeter will

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SSC JE Electrical Engineering 2013 - Question 121

To maximize the driving torque in an induction type instrument, flux produced by shunt coil and series coil should be

SSC JE Electrical Engineering 2013 - Question 122

To minimize the errors due to lead and contact resistances, low resistances used in electrical measurement work are provide with

SSC JE Electrical Engineering 2013 - Question 123

Examine the two statements ‘A’ and ‘R’ and select your answer

Statement A : Switching of a lamp in house produce noise in a radio.
Statement R : Switching operation produces are across separating contacts

SSC JE Electrical Engineering 2013 - Question 124

The small pockets of air in the high voltage cable provide________relative permittivity _________ electric field and at these sites breakdown is likely to be initiated

SSC JE Electrical Engineering 2013 - Question 125

The capacitance measured between any two cores of a 3-core cable with the sheated earthed is $$3 \mu F$$. The capacitance per phase will be

SSC JE Electrical Engineering 2013 - Question 126

In an insulated cable having core diameter d and overall diameter D, the ratio of maximum to minimum dielectric stress is given by

SSC JE Electrical Engineering 2013 - Question 130

A attenuator probe as shown, is connected to an amplifier of input capacitance 0.1 $$\mu F$$. Value of C that must be connected across 100 k to make the overall gain independent of frequency, is

SSC JE Electrical Engineering 2013 - Question 132

A wattmeter is marked 15A/30A, 300V/600V and its scale is marked up to 4500 watts. When the meter is connected for 30A, 600A, the point indicated 2000 watts. The actual power in the circuit is

SSC JE Electrical Engineering 2013 - Question 134

If the angular frequency of an alternating voltage is $$\omega$$, then the angular frequency of instantaneous real power absorbed in an ac circuit is

SSC JE Electrical Engineering 2013 - Question 136

In a balanced 3-phase circuit, the line current is 12 A. When the power is measured by two wattmeter method, one meter reads 11kW while the other reads zero. Power factor of the load is

SSC JE Electrical Engineering 2013 - Question 138

If the supply polarity to the armature terminals of a separately excited DC motor is reversed, the motor will run under

SSC JE Electrical Engineering 2013 - Question 139

For welding purpose, the secondary of transformer used should be capable of carrying

SSC JE Electrical Engineering 2013 - Question 140

Which of the following is correct ?

SSC JE Electrical Engineering 2013 - Question 146

Two lossy capacitors with equal capacitance values and power factors of 0.01 and 0.02 are in parallel, and the combination is supplied from a sinusoidal voltage source. The power factor of the combination is

SSC JE Electrical Engineering 2013 - Question 147

A voltmeter when connected across aDC supply, reads 124 V. When a series combination of the voltmeter and an unknown resistance X is connected across the supply , the meter reads 4V. If the resistance of the voltmeter is 50kΩ , the value of X is

SSC JE Electrical Engineering 2013 - Question 148

The purpose of providing a choke in the tube-light is

SSC JE Electrical Engineering 2013 - Question 149

In a 3-phase 400 V, 4-wire system, two incandescent lamps, one having 230 V, 100 W specification and the other 230 V, 200 W are connected between R phase-neutral and Y phase-neutral respectively. If the neutral wire breaks

SSC JE Electrical Engineering 2013 - Question 150

A solenoid of inductance 250 mH and resistance 10 Ω is connected to a battery. The time taken for the magnetic energy to reach $$\frac{1}{4}th$$ of its maximum
value is

SSC JE Electrical Engineering 2013 - Question 156

An inductor is supplied from a sinusoidal voltage source. The magnetic field energy in the inductor changes from peak value to minimum value 10 msec. The supply frequency is

SSC JE Electrical Engineering 2013 - Question 157

Two 2000 Ω, 2 watt resistors are connected in parallel. Their combined resistance value and wattage rating are

SSC JE Electrical Engineering 2013 - Question 158

We have three resistances each of value 1 Ω, 2 Ω and 3 Ω. If all the three resistances are to be connected in a circuit, how many different values of equivalent resistance are possible?

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SSC JE Electrical Engineering 2013 - Question 161

Three 3 $$\mu F$$ capacitors are in series. A 6 $$\mu F$$ capacitor is in parallel with this series arrangement. The equivalent capacitance of this combination is

SSC JE Electrical Engineering 2013 - Question 162

A DC series motor has an armature resistance of 0.06 Ω and series field resistance of 0.08 Ω. The motor is connected to a 400 V supply. Thus line current is 20 A when the speed of the machine is 1100 rpm. When the line current is 50 A and the excitation is increased by 30%, speed of the machine in rpm is

SSC JE Electrical Engineering 2013 - Question 164

In 1-phase series RL circuit fed by voltage source, the resistance and reactance values are 4 ohm each. In this circuit.

SSC JE Electrical Engineering 2013 - Question 166

In squirrel cage induction motor, the rotor conductors are

SSC JE Electrical Engineering 2013 - Question 167

A 3-phase synchronous motor is started by utilizing the torque developed in

SSC JE Electrical Engineering 2013 - Question 168

If the frequency of input voltage of a transformer is increased keeping the magnitude of the voltage unchanged, then

SSC JE Electrical Engineering 2013 - Question 169

Two 1-phase AC motors A and B operate from a 1000 V supply. A consumes 2 kW at a power factor of 0.8 (lagging) and B comsumes 1 kW at a power factor of 0.5 (lagging). The total current drawn from the supply is approximately

SSC JE Electrical Engineering 2013 - Question 170

The high voltage and low voltage winding resistances of a distribution transformer of 100KVA, $$\frac{1100}{220}$$ V, 50 Hz are 0.1 Ω and 0.004 Ω respectively. The equivalent resistances referred to high voltage side and low voltage side are respectively

SSC JE Electrical Engineering 2013 - Question 171

A tank circuit consists of

SSC JE Electrical Engineering 2013 - Question 172

The instantaneous power of a 1-phase series circuit supplying R-L load from a sinusoidal voltage source has in each cycle.

SSC JE Electrical Engineering 2013 - Question 173

In a series R-L-C circuit, the “Q-factor” is given by

SSC JE Electrical Engineering 2013 - Question 174

In an ac circuit, V = (200 + j 40) V and I = (30 - j 10) A. The active and reactive power of the circuit are respectively

SSC JE Electrical Engineering 2013 - Question 175

Application of Norton’s theorem in a circuit results in

SSC JE Electrical Engineering 2013 - Question 177

Value of the load impedance $$\overline{Z}_L$$ for which the load consumes maximum power is

SSC JE Electrical Engineering 2013 - Question 180

Three equal impedances are first connected in delta across a 3-phase balanced supply. If the same impedances are connected in star across the same supply

SSC JE Electrical Engineering 2013 - Question 182

A current from an AC source divides into two branches A and B in parallel. Branch A is an inductor with 30 $$\mu H$$ inductance and 1 Ω resistance. Branch B is another inductor with inductance L and 1.5 Ω resistance. For the ratio of currents in the branches to be independent of supply frequency, value of L should be

SSC JE Electrical Engineering 2013 - Question 183

A universal motor is one which

SSC JE Electrical Engineering 2013 - Question 184

If the centrifugal switch of a single phase resistance split induction motor does not open after starting of motor, the motor

SSC JE Electrical Engineering 2013 - Question 187

The magnetic field energy in an inductor changes from maximum value to minimum value in 5 msec when connected to an AC source. The frequency of the source in Hz is

SSC JE Electrical Engineering 2013 - Question 188

A voltage source having an open-circuit voltage of 150 V and internal resistance of 75Ω is equivalent to a current source of

SSC JE Electrical Engineering 2013 - Question 189

A 300 kW alternator is driven by a prime mover of speed regulation 4% while the prime mover of another 200 kW alternator has a speed regulation of 3%. When operating in parallel; the total load they can take without any of them being overloaded is

SSC JE Electrical Engineering 2013 - Question 191

The purpose of using dummy coil inDC machine is to

SSC JE Electrical Engineering 2013 - Question 192

An inductor with a ferromagnetic core is supplied from a sinusoidal voltage source with frequency 'f'. The current drawn by the inductor will be

SSC JE Electrical Engineering 2013 - Question 196

Which one of the following is a speed control method of three phase squirrel cage induction motor?

SSC JE Electrical Engineering 2013 - Question 198

Two coupled coills, connected in a series have and equivalent inductance of 16 mH or 8 mH depending on the connection. The mutual inductance between the coil is

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