Technical Test SSC JE: Electrical Engineering (EE)- 10


100 Questions MCQ Test Electrical Engineering SSC JE (Technical) | Technical Test SSC JE: Electrical Engineering (EE)- 10


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This mock test of Technical Test SSC JE: Electrical Engineering (EE)- 10 for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. This contains 100 Multiple Choice Questions for Electrical Engineering (EE) Technical Test SSC JE: Electrical Engineering (EE)- 10 (mcq) to study with solutions a complete question bank. The solved questions answers in this Technical Test SSC JE: Electrical Engineering (EE)- 10 quiz give you a good mix of easy questions and tough questions. Electrical Engineering (EE) students definitely take this Technical Test SSC JE: Electrical Engineering (EE)- 10 exercise for a better result in the exam. You can find other Technical Test SSC JE: Electrical Engineering (EE)- 10 extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above.
QUESTION: 1

The Req for the circuit shown in figure is

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QUESTION: 2

Determine the motor current in a 440V crane which hoists a load of 50 KN at a uniform velocity of 0.5 m sec–1 if the efficiency is 80%

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QUESTION: 3

If 220 V, 3A alternating current is to be converted into 5V, what is the current in thesecondary

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QUESTION: 4

The DC resistance of conductor is less than AC resistance due to

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QUESTION: 5

If the height of the transmission tower is increased

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QUESTION: 6

On increasing the 'Q' of the coil

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QUESTION: 7

When a source is delivering maximum power to a load, the efficiency of the circuit

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QUESTION: 8

An RLC resonant circuit has a resonance frequency of 1.5 MHz and bandwidth of 10
KHz. If C = 150 pf, then the effective resistance of the circuit will be

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QUESTION: 9

Bimetallic strip is

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QUESTION: 10

A single phase full Bridge diode rectifier is supplied from 230V, 50 Hz source. The load consist of R = then average value of output current is

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QUESTION: 11

Horizontal hold control in a TV is a

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QUESTION: 12

The efficiency of an incandescent lamp is

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QUESTION: 13

What is the current through the resistance for the circuit as shown below

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QUESTION: 14

In RLC circuit, the current at resonance is

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QUESTION: 15

A 3-f star connected balanced load consumes P watts of power from a 400V (line to line voltage) supply. If the same load is connected in delta across the same supply. What is the power consumption

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QUESTION: 16

Two resistors of equal value are connected in series across the line B and C of a symmetrical 3-f 400V system. What is the magnitude of the voltage between the line A and the junction of the resistors

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QUESTION: 17

If load on a d.c. shunt motor is increased its speed is decreased due primarily to

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QUESTION: 18

If the field circuit of a loaded shunt motor is suddenly opened

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QUESTION: 19

Which of the following d.c. motor would be suitable for drives requiring high starting torquebut only fairly constant speed such as crushers

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QUESTION: 20

Discharging action of points is utilised in

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QUESTION: 21

What will happen if an ac series motor is run on a dc supply

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QUESTION: 22

The current waveform as shown below is applied to in a pure resistor of 10W. What is the power disipated in the resistor

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QUESTION: 23

Which one of the following instruments is commonly used to measure primary current ofa transformer connected to mains

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QUESTION: 24

The efficiency of dc generator is maximum when

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QUESTION: 25

Magnetic lines of force coming from a magnet

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QUESTION: 26

In case of frosted GLS lamps, frosting is done by

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QUESTION: 27

In a motor starter, the electro mechanical contactor provides inherent protection against

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QUESTION: 28

A good illumination will be, when the light is

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QUESTION: 29

For the circuit as shown below, what is the value of I

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QUESTION: 30

For a series RLC circuit energized with a sinusoidal voltage source of frequency 4 rad/sthe applied voltage lags the current by an angle of tan-12 degrees. Then the value of R for L=1Hand C = 0.05F is

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QUESTION: 31

If the power dissipated in the circuit shown below is 8 W, then the value of E will be

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QUESTION: 32

Decible scale is useful while measuring voltages covering

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QUESTION: 33

For time and frequency, the working standard is

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QUESTION: 34

Sensitivity of LVDT is mainly due to

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QUESTION: 35

A d'Arsonval movement with internal resistance R=100 and full scale current of 1mA is to be
converted into (0-10)V range. What is the required resistance

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QUESTION: 36

A triangular mmf wave is produced in the air gap of an electric machine, such a wave is produced by

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QUESTION: 37

The induced emf of a dc machine running at 750 rpm is 220V. The percentage increase in field flux for generating an induced emf of 250V at 700 rpm would be

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QUESTION: 38

In dc machines, the demagnetising effect of armature reaction is due to

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QUESTION: 39

If the fault current is 2000A, the relay setting is 50% and CT ratio is 400/5 the plug setting multiplier will be

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QUESTION: 40

The average life of mercury vapour lamp is

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QUESTION: 41

Which one of the following transducer is used to obtain the output positions in a position control system

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QUESTION: 42

Semiconductor has a resistivity range from

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QUESTION: 43

Secondary breakdown occurs in

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QUESTION: 44

If PC and PSC represent core and full-load ohmic losses respectively, then maximum KVA
delivered to the load corresponding to maximum efficiency is equal to rated VA multiplied by

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QUESTION: 45

What counters commutation in a d.c. machine

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QUESTION: 46

Field control of a dc shunt motor gives

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QUESTION: 47

Damper windings are provided on

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QUESTION: 48

When is the ferranti effect on long overhead lines experienced

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QUESTION: 49

Under-voltage relays are mainly used for

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QUESTION: 50

Which is the main relay for protecting up to 90% of the transmission line-length in the forward direction

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QUESTION: 51

To protect the power transformer (Y-Y with neutral grounded) against fault, what type of connections do the CTs have

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QUESTION: 52

In a 220 KV system, the inductance and capacitance upto the circuit breaker location
are 25 mH and 0.025 mF respectively. The value of resistor required to be connected
across the breaker contacts which will give no transient oscillations is

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QUESTION: 53

Electronic instruments for measurements of non electrical physical parameter use

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QUESTION: 54

A DC voltmeter has sensitivity of 1000w /volt. When it measures half full scale in 100V range,the current through the voltmeter is

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The resistance of voltmeter is Rv = 1kΩ*1000v  =1mΩ

half scale the voltage across the voltmeter is 500V the current through the voltmeter Iv = 

500/1mΩ = 5∗10−4A

                =0.5mA

QUESTION: 55

Negative sequence relay is used in

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QUESTION: 56

A transistor can provide

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QUESTION: 57

Important electronic function which can be performed by a transistor is

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QUESTION: 58

Tesla is same as

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QUESTION: 59

The main advantage of temporary magnet is that we can

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QUESTION: 60

Two holes are drilled in the disc on a diametern of energy meter to

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QUESTION: 61

What is the typical use of an auto transformer

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QUESTION: 62

In parallel operation of transformers, to reduce copper loss

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QUESTION: 63

Fleming's left hand rule is applicable to

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QUESTION: 64

Which of the following single phase motors is available with speed as low as one revolution per minute

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QUESTION: 65

The daily energy produced in a thermal power station is 720 MWh at a load factor of 0.6.What is the maximum demand of the station

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QUESTION: 66

Which of the following power stations is mainly used to over peak load on the system

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QUESTION: 67

For power transformers of large rating, the tapping are located in the middle portion of the winding to

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QUESTION: 68

In an autotransformer, power is transferred through

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QUESTION: 69

The applied voltage of a certain transformer isi ncreased by 75% while the frequency of the applied voltage is reduced by 25%. The maximum core flux density will

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QUESTION: 70

The advantage of the double squired cage induction motor over single cage rotor is that its

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QUESTION: 71

The injected emf in the rotor of induction motor must have

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QUESTION: 72

In an induction motor, when the number of stator slots is equal to an integral multiple of rotor slots

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QUESTION: 73

For maximum current during 'slip test 'synchronous machine, the armature mmf align salong

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QUESTION: 74

Stepper motors are mostly used for

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QUESTION: 75

Compared to breaking capacity of a circuit breaker its making capacity should be

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QUESTION: 76

Resistance switching is normally employed in

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QUESTION: 77

Silicon content in iron lamination is kept within 5% as it

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QUESTION: 78

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

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QUESTION: 79

Hysteresis is the phenomenon in the magnetic circuit by which

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QUESTION: 80

A wire placed on the top of a transmission line acts as

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QUESTION: 81

An imperfect capacitor is represented by a capacitance C in parallel with a resistance R. The value of its dissipation factor tan d is

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QUESTION: 82

Schering Bridge can be used to measure

 

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QUESTION: 83

The bridge circuit shown in

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QUESTION: 84

If the battery of the multimeter is weak, it will give

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QUESTION: 85

Which of the multimeter is more sensitive and accurate

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QUESTION: 86

An operating voltage of a particular multimeter is

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QUESTION: 87

Multimeter can measure

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QUESTION: 88

As per I.E. rules the insulation resistance between conductor and Earth should not beless than

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QUESTION: 89

The insulation resistance of a installation between conductor to conductor should not be less than

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QUESTION: 90

Which of the megger is better for testing installation

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QUESTION: 91

Speed of the megger is kept at

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QUESTION: 92

If the megger terminals are connected to 230 V supply, megger will

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QUESTION: 93

The meter constant of energy meter is given by

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QUESTION: 94

How will you identify wheather the meter 28 MI type of M.C. type from

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QUESTION: 95

Chemical effect is used for the operation of

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QUESTION: 96

A R-L circuit has 6 ohms resistance and 8 ohms inductive reactance. Its impedance willbe

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QUESTION: 97

The unit of m.m.f. is

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QUESTION: 98

An air condenser with capacitance 0.001 mF is connected to a d.c. voltage of 200 volts.The energy stored in the condenser will be

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QUESTION: 99

One coulomb is equal to

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QUESTION: 100

In metallic arc welding, the supply voltage may be

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