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Electronic and Electrical Measurements and Instruments (Electrical Engineering) - MCQs


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Q19.
The errors introduced by an instrument fall in which category?
  • A. systematic errors
  • B. random errors
  • C. gross errors
  • D. environmental errors

    Discuss    
Q20.
The difference between the indicated value and the true value of the quantity is
  • A. gross error
  • B. absolute error
  • C. dynamic error
  • D. relative error

    Discuss    
Q21.
Which one of the following decides the time of response of an indicating ?
  • A. deflecting system
  • B. controlling system
  • C. damping system
  • D. pivot and jewel bearings

    Discuss    
Q22.
An indicating instrument is more sensitive if its talk to weight ratio is
  • A. much higher than unity
  • B. of the order of unity
  • C. much less than unity
  • D. made deflection dependent

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Q23.
An example of a first order instrument is
  • A. potentiometer
  • B. transformer
  • C. thermo coupling dipped in a liquid
  • D. mass spring dashpot system

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Q24.
Torque/weight ratio of an instrument indicates
  • A. selectivity
  • B. accuracy
  • C. fidelity
  • D. sensitivity

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