Year 2023

Week # 2 Quiz 1

Q1. For ground fault, we prefer

Q2. As per “Electricity Act 2003” the National Load Dispatch Center shall not engage in,

Q3. The rotor voltage of a slip-ring induction motor gives 120 oscillations per minute when the motor is connected to 3-phase, 50Hz supply. The percentage slip of the rotor is

Q4. A three phase synchronous motor will have

Q5. The step response of a system with transfer function \(G(s) = \frac{1}{(Ts+1)}\) attains more than 98% of its final value in time t equal to

Q6. If \(f_1\) and \(f_2\) are half-power frequencies, such that \(f_2> f_1\), then the bandwidth B =__________.

Q7. The effect of adding poles and zeros can be determined quickly by

Q8. As the size of a thermal generating unit increases,the capital cost per KW of installed capacity

Q9. The step response of a system is \((1+e^{-3t})\). It is cascaded with another control block with impulse response of \(e^{-2t}\). The transfer function of the cascaded combination is

Q10. The resolution of an instrument is the