SSC JE 2017 Electrical Free Mock Test for ESE & GATE EE Exams

Question 1

What is the total flux in a coil of having magnetic flux density 12 units and area 7 units?

Question 2

The power of a 3-phase, 3-wire balanced system was measured by two-wattmeter method. The reading of one of the watt-meters was found to be double that of the other. What is the p.f. of the system?

Question 3

A transformer takes no-load current of and absorbs 187 W. If the resistance of the primary is what is the active component of current?

Question 4

Corona effect can be reduced by

Question 5

The transducer with negative temperature co-efficient of resistance is

Question 6

In general, fluid friction damping is not employed in indicating instruments although one can find its use in …………

Question 7

The current through a 4 H inductor is $Description: 13_Phasor-Algebra_files\image034.png$ A. Using phasor algebra, voltage across the inductor is

Question 8

Which of the following is True for the statement "Thyristors in OFF state"

Question 9

Find the energy of a coil of inductance 18mH and current passing through it 1.25A.(in 10^-3 order)?

Question 10

Schering bridge is a very versatile AC bridge and is used for capacitor testing in terms of
1) capacitance value (magnitude)
2) loss angle measurement
3) simple balance detector like PMMC instrument
4) Providing safety to operators by incroporating Wagner earthing device
Which of the above are correct?

Question 11

A 40 kVA transformer has iron loss of 450 W and full-load copper loss of 850 W. If the power factor of the load is 0.8 lagging, what is the maximum efficiency of the transformer?

Question 12

In Figure, $Description: 13_Phasor-Algebra_files\image057.png$ and V = 17 sin(2000t) volts. The total equivalent impedance in rectangular form is

Question 13

A 200/400 V, 20 kVA, 50 Hz single-phase transformer has, at full-load, a copper loss of 120 W. If it has an efficiency of 98% at full-load, determine the iron losses.

Question 14

A distribution transformer is rated at 100 kVA and power factor of 0.8. The lagging reactive power drawn is

Question 15

Find the output waveform of a limiter circuit shown?

Question 16

Determine the magnetic susceptibility of a magnetic material, if the magnetic field intensity, H = 840 A/m, and the magnetic flux density, B = 63.3 mT.

Question 17

The meter constant of a single-phase 230 V induction watt hour meter is 400 rev/kWh. The speed f the meter disc for a current of 10 A of
0.9 pf lagging will be

Question 18

Which one of the following statements is not correct for a MOSFET?

Question 19

A current of (120 – j 50) A flows through a circuit when the applied voltage is (8 + j 2) V. What is the magnitude of circuit impedance?

Question 20

The effect of increase in temperature of overhead line is to

Question 21

The secondary of a transformer provides

across an impedance of 15∠36.87^o. The core losses are

and the copper losses

The percentage efficiency of the transformer is

Question 22

Hard magnetic materials have large hysteresis loss due to which of the following reasons?

Question 23

A 1 mA meter movement with an internal resistance of 100

is to be converted into (0 – 100) mA. To achieve this, value of shunt resistance

is given by

Question 24

If a diode is open in Half-Wave Rectifier, then it will show output on oscilloscope as:

Question 25

At 50 Hz operation, a single phase transformer has hysteresis loss of 200 W and eddy current loss of 100 W assuming that V/f is constant. Its core loss at 60 Hz is

Question 26

A current of (120 – j 50) A flows through a circuit when the applied voltage is (8 + j 2) V. What is the power factor of the circuit?

Question 27

The losses in a transformer are:
(a) copper loss
(b) hysteresis loss
(c) eddy current loss
The constant power loss in a transformer is given by ;

Question 28

Which of the distribution system is used for balanced loads only?

Question 29

In diode clipping circuit shown, which among the following conditions are correct?

Question 30

Which of the following is not a vector quantity?

Question 31

When a steady current is passed through a ballistic galvanometer, then the deflection will be

Question 32

The current in the radial distributor will be maximum at the

Question 33

A coil with large distributed capacitance has ____________.

Question 34

The hysteresis and eddy current losses of 1-phase transformer working on

supply are

and

respectively. The percentage decrease in these losses when operated on

supply would respectively be

Question 35

The internal voltage drop of a voltage source __________.

Question 36

A current of (120 – j 50) A flows through a circuit when the applied voltage is (8 + j 2) V. What is the reactive power?

Question 37

A

transformer has iron loss of

and full-load copper loss of

The maximum efficiency of the transformer would occur when the total loss is

Question 38

What is the main chemical component of Vinegar?

Question 39

The striking feature of the Indus Valley Civilization was

Question 40

In which century did the famous Chines pilgrim Fa-Hien visit India?

Question 41

Which of the following is the good way to prevent metal corrosion?

Question 42

The authority to alter the boundaries of States in India rests With the_____.

Question 43

During the Battle of Plassey, Robert Clive bribed whom to win the war against Nawab of Bengal?

Question 44

The Yarlung Zangbo river, in India, is known as

Question 45

Which one of the following presidents of India served for two terms?

Question 46

The concentration of copper in ores averages only _______.

Question 47

What should be the gap between first no-confidence motion and second no-confidence motion

Question 48

Which one of the following statements is correct?

Question 49

On which of the following day, a Cabinet resolution was passed to replace the Planning Commission with NITI Aayog?

Question 50

The Buddhist Literatures are written in which of the following languages

Question 51

The situation in which total Revenues equals total cost, is known as:

Question 52

Where is the National Academy of Agriculture Research management located?

Question 53

On which date, the International Customs Day is observed?

Question 54

Most important responsibility of a Welfare State is

Question 55

Who among the following poet has been conferred with the covetous 2017 Kalinga Literary Award?

Question 56

The “Ace against Odds’ is an autobiography of __.

Question 57

House A is in the middle of house B and C. All three are standing at equal distance. House D is 20 m north of house B. House E is 48 m east of house D and to the north of house C. House F is in the middle of house D and E. What is the distance between house B and A?

Question 58

One day Neha left home and cycled 10km to south. She turned right and cycled 5km and turned right and cycled 10km and turned left and cycled 10km. How far will she have to cycle to reach her home directly?

Question 59

Direction: In the question below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read the entire conclusion and then decide which of the given conclusions logically follows from the given statements.

Statements:
All stones are poles.
All poles are desks.
Some desks are nets.
Some nets are flowers.
Conclusions:
I. Some nets are stones.
II. All nets being stones is a possibility.
III. There is a possibility that all desks are stones.
IV. All poles being net are a possibility.

Question 60

In a certain code MISCHIEF is written as NKVGMOLN, then how is RELIEVED written in that code?

Question 61

If 38 + 15 = 66 and 29 + 36 = 99, then 82 + 44 = ?

Question 62

If “+” means “minus”, “x” means "divided" . ”÷” means “plus” and “-“ means “multiplied by” then
108 x 12 + 3 – 6 ÷ 4 = ?

Question 63

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

Pranab Mukherjee, Pratibha Patil, APJ Abdul Kalam?

Question 64

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Constable, Head constable, ? , Inspector

Question 65

Direction: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

Millimetre, Micrometre, Nanometre, ?

Question 66

Two persons A and B get the same salary. Their basic pay is different. The allowances are 65% and 80% of the basic pay respectively. What is the ratio of the basic pay?

Question 67

Arrange the given words in the sequence in which they occur in the dictionary.
i. Shortage
ii. Shore
iii. Shamelessly
iv. Shadiness
v. Shallow

Question 68

Direction: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

3, 6, 12, 21, ?, 48

Question 69

Direction: In each question below is given a statement followed by two assumptions numbered I and II. Consider the statement and decide which of the given assumption is implicit.

Statement: Dominos is better than Pizza hut.
Assumptions:
I. Dominos is more expensive than pizza hut.
II. Dominos offer good quality service and its pizza dough is always fresh.

Question 70

Which of the following answer figures can be obtained from the question figure.

Question Figure:

Question 71

Identify the diagram that best represents the relationship among the given classes.
Football, Volleyball, Outdoor Games, Carrom.

Question 72

Identify the diagram that best represents the relationship among the given classes.
Tall men, Black haired people, Indians.

Question 73

Direction: In the following questions, which answer figure will complete the pattern in the question figure?

Question Figure

Question 74

In the following question, from the given answer figures, select the one in which the question figure is hidden/embedded.

Question 75

Direction: A circular sheet of paper is folded in particular manner, punched once and then unfolded. Find out the manner in which the paper was folded and punched from amongst the answer figures.

Question figure: