a) Line voltage b) Line current c) Current flowing in the body d) None of the above Ans: (c)
a) Delta-delta connection b) Delta-star connection c) Star-delta connection d) Star-star connection Ans: (a)
a) Delta-delta connection b) Delta-star connection c) Star-delta connection d) Star-star connection Ans: (d)
a) Invar b) Nichrome c) Elinvar d) Perminvar Ans: (d)
a) Current b) Voltage c) Rate of the change of the current d) Rate of the change of voltage e) Power Ans: (b)
a) 180° C b) 150° C c) 200° C d) 105° C Ans: (a)
a) Ra = R1R2+ R2R3+ R1R3 /R3 b) Ra = R3/R1+ R2 c) Ra = R3/R1 R2 + R2R3+ R1R3 d) Ra = R1 + R2 + R3 /R1 + R2 Ans: (a)
a) Near the transformer b) Away from the transformer c) Near the circuit breaker d) Away from the circuit breaker Ans: (a)
a) Using machines of high impedance b) Connecting lines in series c) Connecting lines in parallel d) Reducing the excitation of the machines Ans: (c)
a) Recovery voltage b) Restriking voltage c) Rate of rise restriking voltage d) Active recovery voltage Ans: (c)