a) Reduction b) Oxidation c) Either (a) or (b) above d) None of these Ans: (c)
a) Dependent upon the geographical factors b) Independent of the geographical factors c) Requires large quantity of water d) Both (b) and (c) above Ans: (d)
a) -150°C b) +150°C c) 0°C d) 350°C Ans: (d)
a) No charging currents b) No skin effect c) Improved line regulation d) All of these Ans: (d)
a) Self excited b) Induction motor drive c) Separately excited d) None of these Ans: (c)
a) Saturable reactor b) Integrated circuit c) Microprocessors d) Any of these Ans: (d)
a) To improve power factor b) To improve efficiency c) To reduce the fault level d) To improve voltage regulation Ans: (c)
a) Load flow b) Power factor c) Voltage d) All of these Ans: (a)
a) Low impedance b) Low resistance c) High impedance d) High resistance Ans: (b)
a) 49.5 to 50.5 Hz b) 49 to 51 Hz c) 48 to 52 Hz d) 47.5 to 52.5 Hz Ans: (d)