NLC Mini Mock 1 for ESE & GATE EE Exams

Question 1

The value of current through 10 ohm resistor is:

Question 2

The circuit shown in figure below represents a

Question 3

Which of the following Statements is incorrect?

Question 4

The two electrical networks N₁ and N₂ are connected through three resistors as shown. The voltage across 3 ohm resistor is ____V.

Question 5

A medium behaves like dielectric when the

Question 6

If

, then y(t) is

Question 7

In the given circuit, what is the value of R_L for maximum power transfer?

Question 8

The direct form of an FIR filter is shown below:

Where α = (1/2)

The input given is x (n) = δ(n) and the output is y(n). Then the value of y(2) will be:

Question 9

The voltage across a 20 μF capacitor is defined as follows

The waveform of current, through the capacitor is

Question 10

In case of 3-phase induction motor, shaft power is 2700 W and mechanical losses are 180 W. At a slip of 4%, the rotor ohmic losses are:

Question 11

A linear system is described by the following state equation

The state-transition matrix of the system is

Question 12

The closed loop transfer function

of the system shown below is

Question 13

A coil of 1000 turns is wound on a core. A current of 1A flowing through the coil creates a core flux of 1mwb. What is the energy stored in the magnetic field.

Question 14

A synchronous machine has full-pitch coils having coil span of 12 slots for eliminating third harmonic, the coil span should be

Question 15

For finding V_s and V_R, the capacitance is neglected in which of the following line?

Question 16

The percentage resistance and reactance of a transformer are 2% and 4% respectively. The approximate regulation on full load at 0.8 P.F lag is-

Question 17

Sag of a overhead line is proportional to square of

Question 18

The relationship between Fourier series coefficient X_k and Y_k of signals x(n) and y(n) is Y_k = (1 – (–1)^k) X_k. Then which one of the following difference equations represents the relationship between x[n] and y[n]?

Question 19

Consider the unity feedback system shown below:

The setting time of the resulting second order system for 2% tolerance band will be

Question 20

The feedback control system shown below represents a

Question 21

A bank of three identical single phase 250 kVA, 11 kV/230V transformer is used to provide 400V low tension supply from a 11 kV, 3 phase sub-station. The effective kVA rating of the bank will be

Question 22

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?

Question 23

For a variable head of near about but less than 30 meters, which type of turbines is used in hydro power stations?

Question 24

A separately excited dc motor has an armature resistance of 0.5Ω it turns on by a 250V dc supply drawing an armature current of 20A at 1500 rpm. The torque developed for an armature current of 10A, for the same field current will be

Question 25

A 220kV, 20 km long, 3-ϕ transmission line has the following A, B, C, D constants:

A = D = 0.96 , B = 55 Ω/phase , C = 0.5 × 10^–4 S/phase.

Find it’s charging per phase

Question 26

Consider the following statements:
When compared with a bridge rectifier, a centre-tapped full wave rectifier.
1) Has larger transformer utilization factor
2) Can be used for floating output terminate i.e. no input terminal is grounded.
3) Needs two diodes instead of four.
4) \Has a lower PIV rating.
Which of these statements is/are correct?

Question 27

A resistance is rated at 2500 Ω and the current flowing though this is 40 mA It was later found that the resistance of the resistor was 0.4% greater than the specified resistance and the ammeter read 1.2% more than the current. So the relative error in the computed power is

Question 28

Kelvin’s double bridge is called ‘double’ because

Question 29

A 100 km transmission line is designed for a nominal voltage of 132 kV and consists of one conductor per phase. The line reactance is 0.726Ω/km. The static transmission capacity of the line, in Megawatts will be

Question 30

A dynamometer type of wattmeter is rated at 5A and 50 V with a full scale reading of 250w. The inductance of the voltage circuit is 5mH and its resistance is

. If the operating frequency is 50Hz and voltage drops across the current Coil of the wattmeter is negligible. The error in the wattmeter at the rated voltage with zero power factor is ______ w.

Question 31

A 230 V, single-phase watt hour meter records a constant load of 10 A for 4 hours at unity power factor. If the meter disc makes 2760 revolutions during this period, Calculate the load power factor if the number of revolutions made by the meter is 1104 when recording 5 A at 230 V for 6 hours.

Question 32

Consider the below statements:

S₁: All output bits are high in an active high output decoder when it is disabled.

S₂: All output bits are low in an active low output decoder when it is disabled

S₃: All output bits are low in an active high output decoder when it is enabled.

S₄: All types of a decoders are used in to produce only one bit difference at output in their enabled condition.

Correct statement is/are:

Question 33

Consider an op-amp circuit shown in figure.

Output voltage of the circuit V_O is

Question 34

If a 250 MVA, 11/400KV three phase power transformer has leakage reactance of 0.05 per unit on the base of 250 MVA and the primary voltage of 11KV, then the actual leakage reactance of the transformer referred to the secondary side of 400KV is

Question 35

The feature of ANN in which ANN creates its own organization or representation of information it receives during learning time is

Question 36

1-ϕ dual converter has 1 unit working with firing angle of 60° and the other unit works as _______ at an angle of _______.

Question 37

The purpose of feedback transformer and diode in complementary commutated inverters is to

Question 38

Power diodes has the characteristic of

Question 39

The crossover points of a membership function are defined as the elements in the universe for which a particular fuzzy set has values equal to

Question 40

Select the most appropriate synonym of the given word.

REQUISITE

Question 41

In the following circuit, g_m1, and g_m2 are the small parameter of M₁ and M₂ respectively, assume λ=0, the small signal voltage gain

is

Question 42

Select the most appropriate antonym of the given word.

POTENT

Question 43

Given below are four jumbled sentences. Pick the option that gives their correct order.

A. We even fail to recognize that their call of duty keeps them away from their families.

B. Yet, we often fail to appreciate these sacrifices that they make.

C. They make countless sacrifices for the nation and keep us safe from our enemies.

D. The uniformed men and women are our unsung heroes.

Question 44

Select the correctly spelt word.

Question 45

Select the word which means the same as the group of words given.

One who hates women

Question 46

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers

4 : 1024

Question 47

In the following question, select the odd word from the given alternatives.

Question 48

There are five students - P, Q, R, S and T having different heights in a class. P's height is more than only one student. Q's height is more than S and P but not more than R. S's height is more than P. R is not the smallest. Who is having the maximum height in the class?

Question 49

The LCM of two numbers is 1008 and their HCF is 84. If one of the number is 168, then find the other number?

Question 50

A can do a work in 12 days and B in 18 days. If they work on it together for 4 days, then what fraction of work is left?

Question 51

The 30^th term of the series 30, 25.5, 21, 16.5, ......... is:

Question 52

If “&5$ @ 9” is the code for PILOT and “7$ @ +6” is the code for GLOBE, then what is the code for BOIL?

Question 53

Which of the following rivers flows through Tiruttani, a famous pilgrimage place of South India?

Question 54

Which number can be the value of a?

Question 55

If a stall sells a pizza at Rs 200 he makes 20% loss if he wants to make 10% profit then at what price (in Rs) should he sell?

Question 56

Who was the first woman cosmonaut of the world?

Question 57

What was the name of Swami Vivekananda’s Guru?

Question 58

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
16, 27, 40, 51, ? , 75

Question 59

Members of which National Association were led by Chandrashekhar Azad and Bhagat Singh?

Question 60

In May 2020, which state government launched an initiative called “Charan Paduka”?