Energy Meter Multiple Choice Questions and Answers

6. Which of the following meters are not used on D.C. circuits

   A.Mercury motor meters

   B.Commutator motor meters

   C.Induction meters

   D.None of the above

7. Most common form A.C. meters met with in every day domestic and industrial installations are

   A.Mercury motor meters

   B.Commutator motor meters

   C.Induction type single phase energy meters

   D.All of the above

8. Which of the following is an essential part of a motor meter

   A.An operating torque system

   B.A braking device

   C.Revolution registering device

   D.All of the above

9. A power factor meter has ........ control springs

   A.One

   B.Two

   C.Four

   D.No

10. Meter ranges are so selected that the indications are obtained near the

   A.Top of the scale

   B.Bottom of the scale

   C.Middle of the scale

   D.None of the above

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