Important Measuring Instruments Multiple Choice Questions and Answers

46. For better results a strain gauge should have low

   A.Resistance value

   B.Gauge factor

   C.Resistance temperature co-efficient

   D.All of the above

47. A dummy strain gauge is used to

   A.Improve the stability of the system

   B.Compensate for temperature variations

   C.Increase the sensitivity of measuring system

   D.None of the above

48. Difference amplifier has

   A.No drift due to high common mode gain

   B.No drift due to symmetrical property

   C.Drift

   D.None of the above

49. A dummy bridge employing strain gauge provides ..........

   A.Linearity

   B.Stability

   C.Temperature compensation

   D.None of the above

50. Rosette gauges are used to

   A.Amplify strain values

   B.Measure variable strain

   C.Compensate for temperature variations

   D.Measure strain in more than one direction

< 1 2 3 4 5 6 7 8 9 10