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


100 Questions MCQ Test Electrical Engineering SSC JE (Technical) | Technical Test SSC JE: Electrical Engineering (EE)- 2


Description
This mock test of Technical Test SSC JE: Electrical Engineering (EE)- 2 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)- 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Technical Test SSC JE: Electrical Engineering (EE)- 2 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)- 2 exercise for a better result in the exam. You can find other Technical Test SSC JE: Electrical Engineering (EE)- 2 extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above.
QUESTION: 1

If induction motor is direct switched-on then it will develop

Solution:
QUESTION: 2

Two bulbs 100W, 250 V and 200 W, 250 V are connected in series across a 500V line then-

Solution:
QUESTION: 3

Which of the following characteristics of electrons determines the current in a conductor?

Solution:
QUESTION: 4

The current in the given circuit with a dependent voltage source is

Solution:

QUESTION: 5

Three current i1, i2 and i3 are approaching a mode. If i1=10 sin (400 t + 60º) A and i2 = 10 sin (400 t +60º) A, then i3 is

Solution:

QUESTION: 6

The figure shows a network in which the diode is an ideal one

The terminal V-I characteristics of the network is given by

Solution:

QUESTION: 7

In a network made up of linear resistors and ideal voltage sources, values of all resistors are doubled. Then the voltage across each resistor is

Solution:

Even on changing the values of linear resistors, the voltage remains constant in case of ideal voltage source.

QUESTION: 8

Consitor the following circuit

What is the value of the current I in the above circuit?

Solution:

QUESTION: 9

For the circuit shown in the given figure the current through L and the voltage across C2 are respectively

Solution:

QUESTION: 10

A unit impulse voltage is applied at t=0 to the RL circuit shown below while i (0-)= 1A. What isthe expression for i (t)?

Solution:

QUESTION: 11

It the circuit shown in the figure given below, the switch is opened at t = 0 after having been closed for a long time. What is the current through 50W resistor?

Solution:

QUESTION: 12

For the circuit shown in the given figure the current I is given by

Solution:

QUESTION: 13

The value of V in the circuit shown in the given figure is

where I = 3A

Solution:

QUESTION: 14

Capacitors charge and discharge in __________ manner.

Solution:
QUESTION: 15

Consider the circuit given below, what is the power delivered by the 24 V source?

Solution:

QUESTION: 16

A straight conductor of circular x-section carries a current.which one of the following statement is true in this regard?

Solution:
QUESTION: 17

A cast steel electromagnet has an air gap length of 0.3 cm. Find the ampere turns for the air gap to produce a flux density of 0.7 wb/m2 in the air gap

Solution:

QUESTION: 18

A magnetic circuit requires 800 AT to produce a certain quantity of flux in the magnetic circuit. If the excitation coil has 100 turns and 5W resistance, the voltage to be applied in the excitingcoil is

Solution:

QUESTION: 19

The principle of dynamically induced emf is utilised in a

Solution:
QUESTION: 20

Lower the self inductance of the coil

Solution:
QUESTION: 21

Two coupled coils connected in series have an equivalent inductance of 16 mH or 8 mH depending on its inter connection. Then the mutual inductance M between the coil is

Solution:

 

QUESTION: 22

The overall inductance of two coils connected in series, with mutual inductance aiding self inductance is L1, with mutual inductance opposing self inductance the overall inductance is L2 . The mutual inductance M is given by

Solution:

QUESTION: 23

Power factor is highest in case of

Solution:
QUESTION: 24

The purpose of providing choke in a tube light is

Solution:
QUESTION: 25

Blinking of Fluorescent tube may be on account of

Solution:
QUESTION: 26

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

Solution:

QUESTION: 27

A dc shunt generator when driven without connecting field winding shows an open circuit terminal voltage of 12V. When field winding is connected and excited the terminal voltage drop to zero because

Solution:

QUESTION: 28

A dc series motor is accidently connected to single phase a.c. suply. The torque produced will be

Solution:

QUESTION: 29

At 1200 rpm, the induced emf of a dc machine is 200 V. For an armature current of 15 A the electromagnetic torque produced would be

Solution:

QUESTION: 30

Determine the flux per pole for 6 pole dc machine having 240 wave connected conductors, which generates an open circuit voltage of 500 volt.Which is running at 1000 rpm

Solution:

QUESTION: 31

The armature resistance of a 6 pole lap wound d.c. machine is 0.05W. If the armature is rewound as a wave winding. What is the armature resistance.

Solution:

 

QUESTION: 32

A 200/100V, 50Hz transformer is to be excited at 40 Hz. from the 100 V side for the exciting current to remain same the applied voltage should be

Solution:

QUESTION: 33

Iron losses in a D.C machines are independent of variation in

Solution:
QUESTION: 34

As a result of armature reaction, the reduction in the total mutual air gap flux in a DC generator is approximately

Solution:
QUESTION: 35

Which motor has the poorest speed control?

Solution:
QUESTION: 36

Which of the following application requires high starting torque?

Solution:
QUESTION: 37

For constant torque drive which speed control method is preferred?

Solution:
QUESTION: 38

A 100 VA, 120/12V transformer is to be connected so as to form a step-up transformer. A primary voltage of 120V is applied to the transformer. What is the secondary voltage of the transformer?

Solution:

QUESTION: 39

The synchronizing reactance of a 500V 50 KVA alternator having an effective resistance of 0.2W, if an excitation current of 10 A produces 200A armature current on short circuit and an emf of 450 volts on open circuit is

Solution:

QUESTION: 40

When the rotor speed, in a synchronous machine becomes more than the synchronous speed during hunting, the damper boars develop

Solution:
QUESTION: 41

The starting current of a 3–f induction motor is 5 times the rated current, while the rated slip is 4%. The ratio of starting torque to full load torque is

Solution:

QUESTION: 42

Squired cage bars place in the rotor pole faces of an alternator help reducing hunting

Solution:
QUESTION: 43

A 3-f synchronous motor has

Solution:
QUESTION: 44

Which of the following device can be used as a phase advancer?

Solution:
QUESTION: 45

Capacitor in a single phase induction motor is used for

Solution:
QUESTION: 46

The repulsion start induction motor has the advantage of

Solution:
QUESTION: 47

Single phase induction motor built with a variable air gap and without dc excitation is called____ motor

Solution:
QUESTION: 48

A hysteresis motor

Solution:
QUESTION: 49

Which of the following motors are used in largest number?

Solution:
QUESTION: 50

A Buchholz relay is used for

Solution:
QUESTION: 51

Which type of connection is employed a for current transformers for the protection of stardelta connected 3–f transformer?

Solution:

QUESTION: 52

Which circuit breaker is preferred to be installed in extra high voltage AC system?

Solution:
QUESTION: 53

A generating station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

Solution:

QUESTION: 54

The rating of fuse wire is always expressed in

Solution:
QUESTION: 55

Transmission of power by ac cables is impossible beyond.

Solution:
QUESTION: 56

Earth wire should be

Solution:
QUESTION: 57

Low power factor is usually not due to

Solution:
QUESTION: 58

A power station has a maximum demand of 15000 KW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant?

Solution:

QUESTION: 59

If all the sequence voltages at the fault point in a power system are equal, then the fault is a

Solution:

QUESTION: 60

A 10 kVA, 400 V/200V single phase transformer with 10% impedance, draws a steady shor tcircuit current of

Solution:

QUESTION: 61

The breakdown voltage of a cable depends upon

Solution:
QUESTION: 62

As per electricity regulations in India the maximum permissible voltage change at consumer premises should be

Solution:
QUESTION: 63

On what basis is the insulation level of a 400 KV, EHV overhead transmission line decided?

Solution:
QUESTION: 64

Series capacitors can be used in distribution lines

Solution:
QUESTION: 65

Merz-price protection is employed for protection of

Solution:
QUESTION: 66

Impulse ratios of insulator and lightening arrestor should be

Solution:
QUESTION: 67

In a thyrite lightning arrester the resistance

Solution:
QUESTION: 68

A typical active load is

Solution:
QUESTION: 69

For quick speed reversal the motor preferred is

Solution:
QUESTION: 70

Ward-leonard controlled dc drives are usually used for _____ duty excavators

Solution:
QUESTION: 71

The underground system cannot be operated above

Solution:
QUESTION: 72

An instrument which detects electric current is known as

Solution:
QUESTION: 73

Which of the following transducer is classified as an active transducer?

Solution:
QUESTION: 74

A first order instrument is characterized by

Solution:
QUESTION: 75

Which of the following instrument will be used to measure a small current of very high frequency?

Solution:

QUESTION: 76

Which one of the following passive components has the most precise and accurate standard?

Solution:
QUESTION: 77

An ac voltmeter using full wave rectification and having sinusoidal input has an ac sensitivity equal to

Solution:

QUESTION: 78

A spring controlled moving iron voltmeter draws a current of 1mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

Solution:

QUESTION: 79

By mistake, an ammeter is used as a voltmeter. In all probabilities, it will

Solution:

QUESTION: 80

To minimise voltmeter loading

Solution:
QUESTION: 81

A standard resistance is made 'Bifilar' type to eliminate

Solution:
QUESTION: 82

Maxwell's inductance capacitance bridge is used for measurement of inductance of

Solution:
QUESTION: 83

Electrostatic type instruments are mainly used for measurement of:

Solution:
QUESTION: 84

In a two wattmeter method of measuring 3-f power, the wattmeter indicate equal and opposite readings. When load power factor is

Solution:

QUESTION: 85

In eddy currents damping system, the disc employed should be of

Solution:
QUESTION: 86

If the instrument has square law response, it can be used for the measurement of

Solution:
QUESTION: 87

Error due to hysteresis is predominant in

Solution:
QUESTION: 88

To measure current in the MHz range we use instrument of

Solution:
QUESTION: 89

The shunt type ohmmeter is not suitable for high resistance measurement because

Solution:
QUESTION: 90

Ebers - model of a transistor represents two diodes

Solution:
QUESTION: 91

In an N-P-N transistor, the leakage current is due to

Solution:
QUESTION: 92

The action of JFET in its equivalent circuit can best be represented as a

Solution:
QUESTION: 93

In JFET drain current is maximum when VGS is

Solution:
QUESTION: 94

The diffusion current is proportional to

Solution:
QUESTION: 95

For highly doped diode

Solution:
QUESTION: 96

The concentration of minority carriers in an extrinsic semiconductor under equilibrium is

Solution:
QUESTION: 97

Bridge Rectifiers are preferred because

Solution:

QUESTION: 98

A photodiode works on the principle of

Solution:
QUESTION: 99

In a bridge a.c. to d.c converter using p-n diodes , if the input voltage is Vsinωt what is the peak inverse voltage across any diode?

Solution:

QUESTION: 100

​Early effect in BJT refers to

Solution: