ESE EE 2021 Technical Quiz 11 (App update required to attempt this test)

Which of the following option is correct about the signal, y(t) = X(sin(t)) is:

For an amplitude modulated (AM) signal each side Band and Carrier powers are given by 2 kW and 8 kW. Modulation in % is:

Statement I: Differential relay is used for protection of generator, transformer windings

Statement II: Differential relay can detect through faults along with internal faults.

Consider a periodic signal

The value of exponential fourier coefficient c₂ is____

Which device is used for converting variable speed alternator voltage to onstant frequency output voltage for use as power supply in aircrafts or ships?

A 6-pole three phase alternator is running is speed of 800 rpm. It is supplying power to a 4-pole three phase induction motor having full load slip of 2%. The speed of rotor field with respect to rotor structure at full load is:

An LVDT shows an output voltage of 5 V for a displacement of 5 mm. The output is connected to a 20 V voltmeter through an amplifier with amplification factor of 200. The sensitivity of instrument is

What is the value of I in the given circuit?

Total harmonic distortion for single-phase full bridge inverter is

In time domain, the relative stability is measured by maximum overshoot and damping ratio. In frequency domain, the relative stability is measured by