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Measurement and Instrumentation

Measurement and Instrumentation
A CRO can display

DC signals
AC signals
Both AC and DC signals
Time invariant signals

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Measurement and Instrumentation
A first order instrument is characterized by

 Static sensitivity and time constant
 Static sensitivity, damping coefficient and natural frequency of oscillations
 Static sensitivity and damping coefficient
 Time constant only

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Measurement and Instrumentation
The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ?

 ±3.5%
 ± 1.5%
 ± 2.5%
 ± 1%

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Measurement and Instrumentation
In induction type ammeter, _____ damping is provided.

Air friction
None of the listed here
Fluid friction
Eaddy current

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Measurement and Instrumentation
PMMC Instrument can be used for

None of the listed here
Both AC and DC
DC work only
AC work only

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Measurement and Instrumentation
The operating voltage of a megger is about

12 V
6 V
40 V
100 V

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MORE MCQ ON Measurement and Instrumentation

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