a) 21/2% b) 15% c) 25% d) 40% Ans: (a)
a) 20 km. b) 60 km. c) 120 km. d) 300 km. Ans: (b)
a) The receiving end power factor is leading b) The sending end power factor is leading c) The receiving end power factor is unity d) The sending end power factor is unity Ans: (c)
a) Short line b) Medium line c) Long line d) Either (a) or (b) Ans: (b)
a) Decrease in power factor and voltage b) Increases in power factor and voltage c) Increases in power factor but decreases in voltage d) Increases in voltage but decreases in power factor Ans: (b)
a) Short transmission line b) Medium transmission line c) Long transmission line d) High power line Ans: (a)
a) Short transmission line b) Medium transmission line c) Long transmission line d) Ultra high voltage line Ans: (c)
a) A straight line b) A parabola c) An ellipse d) A circle Ans: (d)
a) 50 Ω b) 75 Ω c) 400 Ω d) 800 Ω Ans: (c)
a) Decreases, decreases b) Increases, decreases c) Decreases, remains unlatered d) Increases, increases Ans: (c)