Important Measuring Instruments Multiple Choice Questions and Answers

11. In an instrument hysteresis means

   A.The inaccuracy due to change in temperature

   B.The reliability of the instrument

   C.The repeatability of the instrument

   D.The change in same reading when input is first increased and then decreased

12. The static error band of an instrument implies

   A.The error introduced in low varying inputs

   B.The error produced when the pen is stopped at some deflection

   C.The accuracy of the instrument^e (input voltage)

   D.The irrepeatibility of the instrument

13. Electrodynamic types of instruments are used commonly for the measurement of

   A.Current

   B.Resistance

   C.Voltage

   D.Power

   E.None of the above

14. The bandwidth of an amplifier is approximately

   A.Proportional to its upper 3dB frequency

   B.Product of its 3dB frequencies

   C.Inversely proportional to its upper 3dB frequency

   D.None of the above

15. Moving parts of instruments are supported in ....... bearings

   A.Jewelled

   B.Ball

   C.Roller

   D.Bush

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