Important Measuring Instruments Multiple Choice Questions and Answers

31. According to application, instruments are classified as

   A.Switch board

   B.Portable

   C.Both (a) and (b)

   D.Moving coil

   E.Moving iron

   F.Both (d) and (e)

32. ........... instruments are those which measure the total quantity of electricity delivered in a particular time

   A.Absolute

   B.Indicating

   C.Recording

   D.Integrating

33. .......... is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another,

   A.Tangent galvanometer

   B.Meggar

   C.Current transformer

   D.None of the above

34. Which of the following devices may be used for extending the range of instruments

   A.Shunt

   B.Multipliers

   C.Current transformers

   D.Potential transformers

   E.All of the above

35. In majority of instruments damping is provided by

   A.Fluid friction

   B.Spring

   C.Eddy currents

   D.All of the above

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