Power Factor Meter Multiple Choice Questions and Answers

31. A power factor meter has

   A.One current circuit and two pressure circuits

   B.One current circuit and one pressure circuit

   C.Two current circuits and one pressure circuit

   D.None of the above

32. The two pressure coils of a single phase power factor meter have

   A.The same dimensions and the same number of turns

   B.The same dimensions and the but different number of turns

   C.The same number of dimension of turns but different dimension

   D.None of the above

33. In a single phase power factor meter the phase difference between the currents in the two pressure coils is

   A.Exactly 0⁰

   B.Approxminately 0⁰

   C.Exactly 90⁰

   D.Approxminately 90⁰

34. In a dynamometer 3-phase power factor meter, the planes of two moving coils are at

   A.0⁰

   B.60⁰

   C.90⁰

   D.120⁰

35. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of

   A.0.1 Hz

   B.0.25 Hz

   C.0.5 Hz

   D.1.5 Hz

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