SSC JE Electrical Engineering 2015

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For the following questions answer them individually
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SSC JE Electrical Engineering 2015 - Question 5

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 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, e.g. ‘M’ can be represented by 01, 14 etc., and ‘S’ can be represented by 58, 77 etc. Similaraly, you have to identify the set the word ‘ROHAN’.

SSC JE Electrical Engineering 2015 - Question 6

In the given figure, the circle stands for intelligent, square for hardworking, triangle for Post graduate and the rectangle for loyal employees. Study the figure and answer the following questions. Employees who are intelligent, hardworking and loyal but not Post graduate are represented by

In following questions one/two statement(s) are given are followed by two conclusion/assumption, 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 conclusion/assumptions, if any, follows from the given statements.

SSC JE Electrical Engineering 2015 - Question 7

Statements : All students are girls.
Some students are not talented.
Conclusions : I. No students is talented
II. Some girls are talented

SSC JE Electrical Engineering 2015 - Question 8

Statements : 1. Tigers do not fly
2. Hens do not fly.
Conclusions : I. Tigers are birds
II. All birds cannot fly

For the following questions answer them individually
SSC JE Electrical Engineering 2015 - Question 13

Ashok is heavier than Gopal. Mahesh is lighter than Jayesh. Prashant is heavier than Jayesh but lighter than Gopal. Who among them is heaviest ?

SSC JE Electrical Engineering 2015 - Question 15

In a certain code language, if the word ‘RHOMBUS’ is coded as TJQODWU, then how is the word ‘RECTANGLE’ in that language ?

SSC JE Electrical Engineering 2015 - Question 19

Select the set of symbols which can be fitted correctly in the equation,
8_____4_____2_____6_____3 = 32

In the following question, which one of the given responses would be a meaningful order of the following?

In the following questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

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

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SSC JE Electrical Engineering 2015 - Question 31

Hospital is 12 km towards east of Rupin’s house. His school is 5 km towards south of Hospital. What is the shortest distance between Rupin’s house and school?

SSC JE Electrical Engineering 2015 - Question 32

Two cars started from a particular spot. The car A ran Straight at the speed of 30 kmph for 2 hours north and then took a right turn. It run 40 km and again turned right. It stopped after east at the speed of 20 kmph for 2 hours and tuned left. it ran for 100 km and then stopped. How far were there two cars from each other when both of them stopped at last ?

In the following questions, select the related word/ letters/number from the given alternatives.

In the following questions, find the odd word/number pair from the given alternatives.

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For the following questions answer them individually
SSC JE Electrical Engineering 2015 - Question 59

A block placed on an inclinedc plane of slope angle $$\theta$$ slides down with a constant speed. The coefficient of kinetic friction is equal to

SSC JE Electrical Engineering 2015 - Question 60

A plumb bob is hanging from the ceiling of a car. If the car moves with an acceleration a, the angle made by the string with the vertical is

SSC JE Electrical Engineering 2015 - Question 76

Non-bonding valence electrons are

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SSC JE Electrical Engineering 2015 - Question 91

Name the co-operative society that provides housing loan facility at reasonable rates

SSC JE Electrical Engineering 2015 - Question 101

the reactive power generated by a synchronous alternator can be controlled by

SSC JE Electrical Engineering 2015 - Question 108

An alternator is supplying a load of 300 kW at a power factor of 0.6 lagging. If the power factor is raised to unity,how many more kW can alternator supply ?

SSC JE Electrical Engineering 2015 - Question 110

In dc operation of fluorescent tube, the life of the tube (a) increases by about 80$ as that with ac operation (b) decreases by about 80$ as that with ac operation

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SSC JE Electrical Engineering 2015 - Question 122

The errors in current transformers can be reduced bydesigning them with

SSC JE Electrical Engineering 2015 - Question 123

A CRO screen has ten divisions on the horizontal scale. If a voltage signal $$5 \sin(314 t + 45^\circ)$$ is examined with a line base setting of 5 m sec/div, the number of cycle of signal displayed on the screen will be

SSC JE Electrical Engineering 2015 - Question 124

In the Maxwell bridge as shown in the figure the values of resistance $$R_{X}$$ and inductance $$L_{X}$$ of a coil are to be calculated values are shown in the figure at balance. The values of $$R_{X}$$ $$L_{X}$$ will respectively be

SSC JE Electrical Engineering 2015 - Question 138

When the current through the coil of an electromagnet reverses, the

SSC JE Electrical Engineering 2015 - Question 139

A short shunt compound generator supplies a load current of 100 A at 250 V. The generator has the following winding ressitances :

shunt field = 130 Ω, armature = 0.1 Ω and the brush drop is 1 V per brush

SSC JE Electrical Engineering 2015 - Question 141

The $$T_{a} V_{s} I_{a}$$ graph of a dc series motor is a

SSC JE Electrical Engineering 2015 - Question 142

The purpose of starting winding in a single-phase induction motor is to

SSC JE Electrical Engineering 2015 - Question 146

Locked rotor current of a shaded pole motor is

SSC JE Electrical Engineering 2015 - Question 147

.Each of the following statements regarding a shaded pole motor is true except

SSC JE Electrical Engineering 2015 - Question 148

Synchronous impedance method of finding voltage regulation of an alternator is called pessimistic method because

SSC JE Electrical Engineering 2015 - Question 150

A silent-pole synchronous motor is operating at $$\frac{1}{4}$$ full load. If its field current is suddenly switched off, it would

SSC JE Electrical Engineering 2015 - Question 151

A 10 pole 25 Hz alternator is directly coupled to and is driven by 60 Hz synchronous motor then the number of poles in a synchronous motor are

SSC JE Electrical Engineering 2015 - Question 152

2.If two capacitances $$C_{1} and C_{2} $$ are connected in parallel then the equivalent capacitance is given by

SSC JE Electrical Engineering 2015 - Question 156

Electrical resistivity $$\rho$$ is

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SSC JE Electrical Engineering 2015 - Question 167

A 200 V lamp takes a current of 1 A, it produces a total flux of 2,860 lumens. The efficiency of the lamp is

SSC JE Electrical Engineering 2015 - Question 171

An arc blow is a welding defect that is countered with the help of carrying

SSC JE Electrical Engineering 2015 - Question 172

The electric drives posses the following drawback

SSC JE Electrical Engineering 2015 - Question 174

Silicon has a preference in IC technology because

SSC JE Electrical Engineering 2015 - Question 175

To operate properly, a transistor’s base-emitter junction must be forward baised with reverse bias applied to which junction?

SSC JE Electrical Engineering 2015 - Question 180

. If the coefficient of coupling between two coils is increased, mutual inductance between the coils:

SSC JE Electrical Engineering 2015 - Question 181

The magnitude of AT required to establish a given value of flux in the air gap will be much greater than that required for iron part of a magnetic circuit, because:

SSC JE Electrical Engineering 2015 - Question 183

A current of 2A passes throught a coil of 350 turn wound on a ring of mean diameter 12cm. The flux, density established in the ring is 1.4 $$\frac{wb}{m^{2}}$$ . Find the value of relative permeability of iron:

SSC JE Electrical Engineering 2015 - Question 184

A bar of iron 1 $$cm^{2}$$ in cross-section has 10-4 Wb of magnetic flux in it. If $$ \mu $$r = 2000 what is the magnetic field intensity in the bar?

SSC JE Electrical Engineering 2015 - Question 185

One sine wave has a period of 2 ms, another has a period of 5 ms, and other has a period of 10 ms. Which sine wave is changing at a faster rate?

SSC JE Electrical Engineering 2015 - Question 186

. In a pure inductive circuit if the supply frequency is reduced to $$\frac{1}{2}$$, the current will:

SSC JE Electrical Engineering 2015 - Question 188

Two lamps, Green (G) and Red (R) are connected in a motor circuit as shown in the figure. The conditions under which the lamps will burn are, (supply is available at terminals A & B):

SSC JE Electrical Engineering 2015 - Question 189

Modern electronic multimeters measure resistance by

SSC JE Electrical Engineering 2015 - Question 191

A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under standard conditions. The maximum possible percentage error in the reading is

SSC JE Electrical Engineering 2015 - Question 192

A dc voltmeter has a sensitivity of 1000 $$\frac{Ω}{volts}$$ When its measures half full scale in 100 V range, the current through the voltmeter will be

SSC JE Electrical Engineering 2015 - Question 193

A Lissajous pattern on an oscilloscope has 5 horizontal tangencies and 2 vertical tangencies. The frequency of the horizontal input is 100 Hz. The frequency if the vertical
input will be

SSC JE Electrical Engineering 2015 - Question 196

Leakage flux in a transformer occurs because

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SSC JE Electrical Engineering 2015 - Question 199

An eight pole wound rotor induction motor operating on 60 Hz supply is driven at 1800 rpm by a prime mover in the opposite direction of revolving magnetic field. The frequency of rotor current is

SSC JE Electrical Engineering 2015 - Question 200

.If stator voltage of a squirrel cage induction motor is reduced to 50 percent of its rated value, torque developed is reduced by how many percentage of its full load value?

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