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# 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

Solution:
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%

Solution: QUESTION: 3

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

Solution: QUESTION: 4

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

Solution:
QUESTION: 5

If the height of the transmission tower is increased

Solution:
QUESTION: 6

On increasing the 'Q' of the coil

Solution: QUESTION: 7

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

Solution:
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

Solution: QUESTION: 9

Bimetallic strip is

Solution:
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

Solution: QUESTION: 11

Horizontal hold control in a TV is a

Solution:
QUESTION: 12

The efficiency of an incandescent lamp is

Solution:
QUESTION: 13

What is the current through the resistance for the circuit as shown below Solution: QUESTION: 14

In RLC circuit, the current at resonance is

Solution:
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

Solution: 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

Solution: QUESTION: 17

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

Solution:
QUESTION: 18

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

Solution:
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

Solution:
QUESTION: 20

Discharging action of points is utilised in

Solution:
QUESTION: 21

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

Solution:
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 Solution:  QUESTION: 23

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

Solution:
QUESTION: 24

The efficiency of dc generator is maximum when

Solution:
QUESTION: 25

Magnetic lines of force coming from a magnet

Solution:
QUESTION: 26

In case of frosted GLS lamps, frosting is done by

Solution:
QUESTION: 27

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

Solution:
QUESTION: 28

A good illumination will be, when the light is

Solution:
QUESTION: 29

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

Solution: QUESTION: 31

If the power dissipated in the circuit shown below is 8 W, then the value of E will be Solution: QUESTION: 32

Decible scale is useful while measuring voltages covering

Solution:
QUESTION: 33

For time and frequency, the working standard is

Solution:
QUESTION: 34

Sensitivity of LVDT is mainly due to

Solution:
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

Solution: QUESTION: 36

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

Solution:
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

Solution: QUESTION: 38

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

Solution:
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

Solution: QUESTION: 40

The average life of mercury vapour lamp is

Solution:
QUESTION: 41

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

Solution:
QUESTION: 42

Semiconductor has a resistivity range from

Solution:
QUESTION: 43

Secondary breakdown occurs in

Solution:
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

Solution:
QUESTION: 45

What counters commutation in a d.c. machine

Solution:
QUESTION: 46

Field control of a dc shunt motor gives

Solution:
QUESTION: 47

Damper windings are provided on

Solution:
QUESTION: 48

When is the ferranti effect on long overhead lines experienced

Solution:
QUESTION: 49

Under-voltage relays are mainly used for

Solution:
QUESTION: 50

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

Solution:
QUESTION: 51

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

Solution: 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

Solution: QUESTION: 53

Electronic instruments for measurements of non electrical physical parameter use

Solution:
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

Solution:

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

Solution:
QUESTION: 56

A transistor can provide

Solution:
QUESTION: 57

Important electronic function which can be performed by a transistor is

Solution:
QUESTION: 58

Tesla is same as

Solution:
QUESTION: 59

The main advantage of temporary magnet is that we can

Solution:
QUESTION: 60

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

Solution:
QUESTION: 61

What is the typical use of an auto transformer

Solution:
QUESTION: 62

In parallel operation of transformers, to reduce copper loss

Solution:
QUESTION: 63

Fleming's left hand rule is applicable to

Solution:
QUESTION: 64

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

Solution:
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

Solution: QUESTION: 66

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

Solution:
QUESTION: 67

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

Solution: QUESTION: 68

In an autotransformer, power is transferred through

Solution:
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

Solution: QUESTION: 70

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

Solution: QUESTION: 71

The injected emf in the rotor of induction motor must have

Solution:
QUESTION: 72

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

Solution: QUESTION: 73

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

Solution:
QUESTION: 74

Stepper motors are mostly used for

Solution:
QUESTION: 75

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

Solution:
QUESTION: 76

Resistance switching is normally employed in

Solution:
QUESTION: 77

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

Solution:
QUESTION: 78

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

Solution:
QUESTION: 79

Hysteresis is the phenomenon in the magnetic circuit by which

Solution:
QUESTION: 80

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

Solution:
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

Solution:
QUESTION: 82

Schering Bridge can be used to measure

Solution:
QUESTION: 83

The bridge circuit shown in Solution:
QUESTION: 84

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

Solution:
QUESTION: 85

Which of the multimeter is more sensitive and accurate

Solution:
QUESTION: 86

An operating voltage of a particular multimeter is

Solution:
QUESTION: 87

Multimeter can measure

Solution:
QUESTION: 88

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

Solution:
QUESTION: 89

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

Solution:
QUESTION: 90

Which of the megger is better for testing installation

Solution:
QUESTION: 91

Speed of the megger is kept at

Solution:
QUESTION: 92

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

Solution:
QUESTION: 93

The meter constant of energy meter is given by

Solution:
QUESTION: 94

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

Solution:
QUESTION: 95

Chemical effect is used for the operation of

Solution:
QUESTION: 96

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

Solution:
QUESTION: 97

The unit of m.m.f. is

Solution:
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

Solution:
QUESTION: 99

One coulomb is equal to

Solution:
QUESTION: 100

In metallic arc welding, the supply voltage may be

Solution: