BARC-2018 EE: Full Syllabus Mock 1 for ESE & GATE EE Exams

Question 1

For the system shown in below figure

The value of system gain ‘k’ for which the steady state error is 30% to a unit step input is ________.

Question 2

For the given nominal-T representation of a transmission line,

the ABCD constants obtained are:
A = 6.25
B = 10.85
C = 2.5
D = 4.5
Determine the sending end impedance and the receiving end impedance, when the other end is open-circuited.

Question 3

A medium is divided into two regions I and II about z = 0 plane as shown in the figure below.

In the interface carries surface current

=

(A/m)
and magnetic flux density in region II

=

+

the magnetic flux density in region I,

is given by

Question 4

In a 3-phase synchronous generator, the induced emf in one of the phases is 4.5 pu. If a current of 14.2 pu flows through the 0.82 pu negative sequence impedance, determine the negative sequence voltage of the phase with respect to the reference bus.

Question 5

Consider a discrete time system whose transfer function is Now consider three systems whose transfer function are
1)
2)
3)
Then which of the above systems will have the same magnitude plot as the system described by transfer function H(e^jω)

Question 6

There is a 20% reduction in amplitude of a wave travelling through a lossy non-magnetic medium, per meter. The wave is operated at 20 MHz and the electric field leads the magnetic field by 25 degrees. What is the value of β?

Question 7

Find the power input supplied by the turbine for maintaining constant frequency if the A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz?

Question 8

A single-phase full bridge inverter with square wave output voltage will have in its output waveform a fifth harmonic component. The maximum value of the fifth harmonic component is equal to x percentage of the source voltage, the value of x is _____%.

Question 9

A separately excited dc machine is coupled to a 50 Hz, three-phase, 4-pole induction machine as shown in figure. The dc machine is energized first and the machines rotate at 1800 rpm. Subsequently the induction machine is also connected to a 50 Hz, three-phase source, the phase sequence being consistent with the direction of rotation. In steady state

Question 10

For a half-wave rectifier circuit with RL source load and supplying power to a DC source from an AC source,

the voltage and current waveforms are shown below.

Determine the value of α at which the diode starts conducting.

Question 11

Which of the following statements is/are correct about INTEL 8085 Microprocessor
(i) RST 4.5 has the lowest priority among hardware interrupts.
(ii) Program counter contains the next instruction to be executed.
(iii) Instruction register holds the opcode of the instruction to be executed.
(iv) $Description: E:\Gate\Gate-EE-14-Dec\12_Mprocesor_EMT_BL-done_files\image135.png$ are time multiplexed?

Question 12

Determine the electric flux density at a point M (x = 2, y = -4, z = 6) produced by a point charge of 75 mC at the point N (ρ = 3.6, ϕ = 146.3 °, z = -4).

Question 13

For the given circuit, determine the value of the feedback resistor, if the output voltage is - 45 V.

The circuit components are given below:
V₁ = 2.5 V, R₁ = 100 kΩ
V₂ = 4.2 V, R₂ = 500 kΩ
V₃ = 3.3 V, R₃ = 1 MΩ

Question 14

Nyquist plot of the open loop transfer function G(s)= K/S(S+1)(S+2) is shown in figure. Range of ‘K’ for closed loop stability is

Question 15

A message signal shown in below figure is applied to the AM modulator with modulation index 62%. If m(t) is a periodic signal then the modulation efficiency is