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Technical Test SSC JE: Electrical Engineering (EE)- 11 - Electrical Engineering (EE) MCQ


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100 Questions MCQ Test SSC JE Electrical Mock Test Series 2025 - Technical Test SSC JE: Electrical Engineering (EE)- 11

Technical Test SSC JE: Electrical Engineering (EE)- 11 for Electrical Engineering (EE) 2024 is part of SSC JE Electrical Mock Test Series 2025 preparation. The Technical Test SSC JE: Electrical Engineering (EE)- 11 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Technical Test SSC JE: Electrical Engineering (EE)- 11 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Technical Test SSC JE: Electrical Engineering (EE)- 11 below.
Solutions of Technical Test SSC JE: Electrical Engineering (EE)- 11 questions in English are available as part of our SSC JE Electrical Mock Test Series 2025 for Electrical Engineering (EE) & Technical Test SSC JE: Electrical Engineering (EE)- 11 solutions in Hindi for SSC JE Electrical Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Technical Test SSC JE: Electrical Engineering (EE)- 11 | 100 questions in 100 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study SSC JE Electrical Mock Test Series 2025 for Electrical Engineering (EE) Exam | Download free PDF with solutions
Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 1

The rate of movement of charge through any conductor is known as

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 2

Horse power is the unit of

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Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 3

Three resistance of values 8 ohms, 12 ohms  and 24 ohms are connected in parallel across12 volts supply, the total resistance of the circuit will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 4

The sure test of electrification is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 5

The suspectance (b) of a branch can be determined by

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 6

106.The accuracy of M.C. instrument as compared to M.I. instruments is –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 7

Which of the following advantage, the dynamometer watt meter has ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 8

In case of two phase supply the electrical displacement of the winding is –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 9

Synchronising (parallel operation) of three phase alternator as compared to single phase alternator is –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 10

The controlling torque can be produced by –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 11

The generator which gives d.c. supply to the rotor is called –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 12

Under no load running condition the angle between induced voltage and supply voltage willbe –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 13

One foot angular is equal to –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 14

For welding of sheets which type of welding is recommended –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 15

The spot welding machine can be used for welding sheets of thickness –

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 16

In which of the following places 70 MW gas turbine power plant being operated as base load plant ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 17

The solar or photo voltaic cell converts

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 18

The efficiency of solar cell is about

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 19

The main source (s) of production of biogas is / are

Detailed Solution for Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 19

Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen (anaerobically), primarily consisting of methane and carbon dioxide. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste.

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 20

Which of the following plants will take least time in starting from cold conditions to full-load operation ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 21

Shunt capacitors in a substation

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 22

The unit of transmission loss coefficient is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 23

The permissible variation of frequency in power system is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 24

Generators for base load plants are usually designed for maximum efficiency around

 

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 25

Two -insulator discs of identical capacitance value C makes up a string for a 22 kV, 50 Hz,single-phase overhead line insulation system. If the pin to earth capacitance is also C, then the string efficiency is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 26

The knowledge of diversity factor helps in computing

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 27

The load duration curve for a power station is as shown in the given figure. The reserve capacity in the plant at 70% capacity factor is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 28

Flat rate tariff can be charged on the basis of
)

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 29

The low power factor of an industrial plant is uneconomical for
 

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 30

Consider the following materials for line conductors :
1. Hard drawn copper
2. Cadmium copper
3. Aluminium
4. Galvanised steel
The correct sequence of the descending order of their electrical conductivities is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 31

Effect of temperature rise in overhead lines is to

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 32

Stringing chart is useful

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 33

The number of discs in a string of insulators for 400 kV ac overhead transmission line lies in therange of

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 34

Transmission lines are transposed to

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 35

For transmission line which one of the following relation is true ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 36

Sheaths are used in cables to

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 37

As compared to ac transmission dc transmission is free from

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 38

Plug setting of an electromagnetic relay can be altered by varying

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 39

The operating characteristic of a distance relay in the R-X plane is shown in the figure. It represents operating characteristic of a

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 40

Undervoltage relays are mainly used for

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 41

Signal mixing transformers are used for

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 42

The current ICBO flows in the

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 43

In a common collector amplifier the voltage gain is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 44

When a transistor is used in switching mode then what is the turn on time ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 45

In the pnp transistor circuit shown in the given figure, the transistor is in saturation with values of Vbe = 0.7 V,V ce(sat) = 0.3 V and b min = 20.The value of IC will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 46

A silicon transistor with VBE sat = 0.8V,b dc = 100and VCE sat= 0.2 V is used in the circuit shown in given figure.What is the minimum value of RC for which transistor is in saturation ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 47

For a trans conductance amplifier, input and output resistances are respectively

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 48

The FET shown is a

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 49

Thermal runaway is not encountered in FETs because

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 50

The applied voltage of a certain transformer is increased by 75%; while the frequency of theapplied voltage is reduced by 25%. The maximum core flux density will :

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 51

On which of the following factors does hysteresis loss depend ?
(1) Flux density
(2) Frequency
(3) Thickness of laminations
(4) Time
Select the correct answer using the code given below:
 

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 52

The total iron loss in a transformer core at normal flux density was measured at 25 Hz and at 50Hz and was found to be 250 W and 800 W respectively. The hysteresis loss at Hz would be

Detailed Solution for Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 52

according to the data flux density is constant.
Pe1=f12 Ph1=f1
Pe2=f22 Ph2=f2

taking f1=25hz
f2=50 hz
Pe1/Pe2=1/4
Ph1/Ph2=1/2

now iron loss Pi=Ph1+Pe1
Therefoe
1. ph1 + pe1=250
2. 2ph1+ 4pe1=800
solving we get ph2= 200w

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 53

Open-circuit test in a transformer is performed with

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 54

The full-load copper loss and iron loss of a transformer are 6,400 W and 500 W,respectively. The above copper loss and iron loss at half load will be :

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 55

If P1 and P2 be the iron and copper losses of transformer at full-load and the maximum efficiency is at 75% of the full-load, then what is the ratio of P1 and P2?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 56

A 500 kVA transformer has constant loss of 500 W and copper losses at full load are 2,000 W.Then at what load, is the efficiency maximum ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 57

The concentric windings are used in core type transformers with ______ winding placed next to the core.

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 58

Scott-connected transformers can convert
(a) 3 to 2 phases (b) 2 to 3 phase
(c) 2 to 4 phases (d) 3 to 4 phase
From the above correct answer is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 59

For the parallel operation of transformers, which of the following conditions must be satisfied ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 60

Two transformers operating in parallel will share the load depending upon their

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 61

The saving in copper achieved by converting ordinary two winding transformer into an auto transformeris governed by the

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 62

Assertion (A): Norton's theorem is applied to a network for which no equivalent Thevenin's
network exists.


Reason (R): Norton's Theorem enables one to calculate quickly current and voltage in a
particular branch of interest in a complicated network.
 

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 63

Superposition theorem is not applicable for

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 64

Consider the circuits A and B given below: For what values respectively of l and R, the circuit B is equivalent to circuit A ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 65

The output resistance of the circuit at port AB is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 66

The current is given by

If the steady -state current at t = ¥ is 12A, then the value of a and initial value of current will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 67

A cable has inductance of 0.22 mH per km and capacitance of 0.202mF per km. The surge impedance of the cable is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 68

A high resistance cannot be measured by simple ammeter-voltmeter principle because

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 69

Consider the following statements regarding the balanced ac bridge shown in the given figure for
measurement of a coil Z1


1. Z2 = Z2 in series with LZ3 = R3, Z4 = R4
2. Z2 = R2, Z3 = R3 and Z4 = R4 in parallel with L4
3. Z2 = R2, Z3 and Z4 = R4, in series with L4
4. Z2 = R in parallel with L2, = Z3 = R3 and Z4 = L4
Which of these statements are correct ?

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 70

In an Anderson bridge, the unknown inductance is measured in term of known

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 71

Which one of the following is represented by the circuit shown below

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 72

Which of the following bridges can be used for inductance measurement ?
1. Maxwell bridge
2. Hay's bridge
3. Wein bridge
4. Wheatstone bridge
Select the correct answer using the code given below

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 73

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

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 74

For the bridge shown in the given figure. At the balance the values of Rx, Cx and Qx will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 75

Which of the following is used to measure the leakage resistance of a capacitor

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 76

Wagner Earth devices in ac bridge circuits are used for

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 77

A bridge circuit works at a frequency of 2 kHz. Which detector can be used for detecting the null conditions in the bridge

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 78

The current drawn by a 220 V dc motor of armature resistance 0.5W and back emf 200 Vis

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 79

A d.c. series motor is accidentally connected to single-phase a.c. supply. The torque produced will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 80

For a given torque reducing the diverter resistance  of a d.c. series motor

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 81

The dummy coils in d.c. machines are useful to

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 82

The speed of a d.c. shunt motor may be varied by varying
1. Field current
2. Supply voltage
3. Armature circuit
Select the correct answer using the codes given below:

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 83

Consider the following statements In a dc machine, iron loss occurs in
1. armature core
2. yoke
3. pole cores
4. pole shoes
Which of these statements are correct

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 84

The armature resistance of a 6-pole lap wound d.c. machine is . If the armature is
rewound as a wave-winding, what is the armature resistance

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 85

Match List-I (Characteristic) with List-II n (Relation) and select the correct answer using
the code given below the lists:

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 86

For a constant supply voltage, what are the effects of inserting a series resistance in the field circuit of a d.c. shunt motor, on its speed and torque

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 87

If the armature current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 88

189.Neglecting all losses, how is the developed torque (T) of a dc separately excited motor, operating under constant terminal voltage related to its output power (P)

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 89

A dc shunt generator is supplying a load of 1.8 kW at 200 V. Its armature and field resistances are 0.4W and 200W respectively. What is the generated emf

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 90

Torque developed by the armature of a dc motor is proportional to which one of the following

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 91

What are slot wedges in a dc machine, made of

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 92

The graph shown below represents which characteristic of a d.c. shunt generator

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 93

The armature MMF waveform of a dc machine is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 94

For a P-pole machine, the relation between electrical and mechanical degrees is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 95

The maximum efficiency occurs in a separately excited d.c. generator when the terminal voltageis 220 V and the induced emf is 240 V, the stray losses, if the armature resistance is 0.2 W , will be

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 96

Which one of the following statements is correct for the ideal field excitation during starting in caseof shunt and compound motors

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 97

The air-gap between the yoke and armature in a dc motor is kept small

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 98

A 4-pole dc generator is running at 1500 rpm. The frequency of current in the armature winding is

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 99

The overall efficiency of a dc shunt generator is maximum when its variable loss equals

Technical Test SSC JE: Electrical Engineering (EE)- 11 - Question 100

When a 'pumped storage' power plant is operated in conjunction with a steam power plant

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