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Measurement and Instrumentation

Measurement and Instrumentation
Dynamic errors are caused by

 observational error
 human error
 instrument not responding fast
 environmental error

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Measurement and Instrumentation
The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as

 (400 ± 3) A
 (400 ± 1) A
 (400 ± 2.24) A
 (400 ±5) A

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 6%
 3%
 4%
 5%

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Measurement and Instrumentation
An analog ammeter is

 an absolute instrument.
 a recording instrument.
  an indicating instrument.
 a controlling instrument.

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Measurement and Instrumentation
PMMC Instrument can be used for

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

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Measurement and Instrumentation
The Metric System is also called as:

 SI
None of these
 CGS
 MKS system

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MORE MCQ ON Measurement and Instrumentation

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