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Measurement and Instrumentation

Measurement and Instrumentation
Systematic errors are

 instrument errors.
 observational errors.
All of these
 environmental errors.

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Measurement and Instrumentation
With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be

500Hz
1kHz
100Hz
50Hz

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Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

 2%
 1%
 4%
 3%

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Measurement and Instrumentation
The internal resistance of an ammeter should be

Very small
Medium
High
Infinity

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Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

 2%
 2.5%
 1.5%
 1%

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Measurement and Instrumentation
Comparison methods are used

 when a high accuracy of measurement is required.
 because they are expensive.
 because they take least time in measurement.
 because they are most simple.

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MORE MCQ ON Measurement and Instrumentation

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