Realtime Measurement and Instrumentation Multiple choice Questions and Answers pdf

21    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
Ans: b

22.    The household energy meter is
(a)     an indicating instrument
(b)     a recording instrument
(c)    an integrating instrument
(d)     none of the above
Ans: c

23.    The pointer of an indicating instrument should be
(a)     very light
(b)     very heavy
(c)    either (a) or (b)
(d)    neither (a) nor (b)
Ans: a

24.    The chemical effect of current is used in
(a)     D.C. ammeter hour meter
(b)     D.C. ammeter
(c)    D.C. energy meter
(d)    none of the above
Ans: a

25.    In majority of instruments damping is provided by
(a)    fluid friction 
(b)    spring
(c)    eddy currents
(d)    all of the above
Ans: c

26.    An ammeter is a
(a)     secondary instrument
(b)     absolute instrument
(c)    recording instrument
(d)    integrating instrument
Ans: a

27.    In a portable instrument, the controlling torque is provided by
(a)     spring
(b)     gravity
(c)     eddy currents
(d)     all of the above
Ans: a

28.    The disc of an instrument using eddy current damping should be of
(a)    conducting and magnetic material
(b)    non-conducting and magnetic material
(c)    conducting and non-magnetic material
(d)    none of the above
Ans: c

29.    The switch board instruments
(a)     should be mounted in vertical position
(6)     should be mounted in horizontal position
(c)    either (a) or (b)
(d)    neither (a) nor (b)
Ans: a

30.    The function of shunt in an ammeter is to
(a)    by pass the current
(b)    increase the sensitivity of the ammeter
(c)    increase the resistance of ammeter
(d)    none of the above
Ans: a

Read More Questions:
 Measurement and Instrumentation MCQs Part1
Measurement and Instrumentation MCQs Part2

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