BARC EE : Full Syllabus Test - 13

A step up chopper is required to deliver a voltage of 330 V from 110 V dc source. If the conduction time of chopper is 200 µs, then turn off time for chopper is

The equivalent inertia constant (in MJ/MVA) on a common base 100 MVA for shown figure is __________.

A synchronous phase modifier supplies which of the following power?

The resonant frequency of the series circuit shown in the figure below is

In dc generator, field flashing is done for:

A lead compensator

1) Speeds up the transient response

2) Increase the margin of stability of a system

3) Helps to increase the system error constant though to a limited extent.

Which of the above statements are correct?

Which of the following statements are true?

1. Accuracy is the measure reproducibility of readings.

2. Precision of an instruments is not guaranteed for accuracy.

3. If output is proportional to input, instrument is called linear.

Newton-Raphson method with respect to Gauss-seidel method is:

The induced emf in the linear region of a series generator is given as E_a = 0.4 I_s. The generator has R_s=0.03 Ω and R_a=0.02Ω. It is used as a booster between 240 V station bus bar and a feeder of 0.25 Ω resistance. The voltage between the far end of the feeder and bus bar at a current of 300 A is

For moving coil deflecting torque in μNm is _______ provided, number of turns = 100, coil width = 20 mm, coil depth = 30 mm, Gap flux density = 0.1 Wb/m².current=10ma.

The reduced incidence matrix for a network is given as

Which of the following sets constitute a tree?

The injective of VARs is require for which of the following purpose?