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BARC EE : Full Syllabus Test - 11

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Question 1

A long shunt compound wound motor is having shunt field resistance, series field resistance and armature resistance of 300 Ω, 0.8 Ω and 0.6 Ω respectively. If the motor is drawing 60A at 500V, What is the voltage drop across series field resistance?

Question 2

Consider a voltmeter of 50 μA, full scale deflection. Then the sensitivity of voltmeter is___ kΩ/V.

Question 3

The impulse response of LTI system is. The given LTI system is:

Question 4

Satisfactory turn off of a thyristor takes place if the reverse bias period of the device, after its current has become zero, is

Question 5

The electrostatic stress in a cable is

Question 6

In a 4 pole, 50 Hz, slip ring induction motor, if the voltage of 18 V is injected in phase opposition with the standstill rotor emf of 72 V, then the rotor speed at no-load is

Question 7

An RC coupling circuit act as:

Question 8

What is the advantage of cable transmission?

Question 9

For type-A chopper circuit, the source voltage is given as VS = 200 volt duty ratio = 0.3 and load parameters as R = 10Ω, L = 10 mH, E = 10 volt. Calculate the value of average output current in Amps (if it is continuous conduction)

Question 10

A 50Hz, 400 V, 20 kW, 6 pole induction motor has full load slip of 5%. Find the developed torque

Question 11

For an oscilloscope Lissajous pattern, 5 Horizontal and 2 vertical tangencies are observed. The vertical input frequency is _______Hz if Horizontal input frequency is 1000 Hz.

Question 12

A power system consists of 2 areas (Area 1 and Area 2) connected by a single tie line. It is required to carry out a load flow study on this system. While entering the network data, the tie-line data (connectivity and parameters) is inadvertently left out. If the load flow program is run with this incomplete data

Question 13

The incidence matrix of a graph is as given below:

The graph is

Question 14

For an SCR, dV/dt protection is achieved using

Question 15

The Y-Bus matrix of a 4-bus system in per unit is given below,, the buses having shunt element are
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Nov 22ESE & GATE EE