ESE 2021 Technical Quiz 2

In a Field Effect Transistor (FET), the maximum voltage that can be applied between any two terminals is given by

In a FM, modulating signal is x(t)  and the deviation produced is 8kHz. The bandwidth of FM signal is

A graphical technique for plotting the closed-loop poles of a rational system functions as a function of the value of gain for both continuous-time and a discrete-time system is

The contents of the accumulator and register 'C' are 2EH and 6CH respectively. The instruction ADD C is used. The values of AC (Auxiliary carry) and P (Parity) flags are

Statement (I): Pole changing speed control method can be applied only on squirrel cage IM

Statement (II): The poles on rotor in SCIM induces equal to the poles of stator.

The power dissipated in a resistor is determined by using a voltmeter and an ammeter which are guaranteed to be accurate within ± 1% of full scale deflection. If the voltmeter reads 90 V on its 150 V range and the ammeters reads 80 mA on its 100 mA range then the limiting error for power calculation is

STATEMENT 1: Tellegen’s theorem states that the power absorbed in any circuit will be equal to the power delivered in the circuit.

STATEMENT 2: Tellegen’s theorem is based on law of conservation of energy.

A three-phase semiconductor is used to charge a 250V battery from 300V, 50 Hz supply. If the internal resistance of battery is 0.2 Ω and load current is 15 A ripple free, the and load current is 15 A ripple free, the firing angle of the converter is:

Each of the next items consist of two statements, one labeled as ‘Statement (I)’ and other as Statement (II). You are to examine these two statements carefully and select the answers to these items using the codes gives below.

Statement (I): Time for one iteration is less in Gauss-Seidel method as compared to Newton-Raphson method but number of iterations are more in Gauss-seidel method.

Statement (II): Number of iterations remains same as system size increases in Gauss-Seidel method.

The nature of filter is