Measurement and Instrumentation An analog ammeter is a recording instrument. a controlling instrument. an absolute instrument. an indicating instrument. a recording instrument. a controlling instrument. an absolute instrument. an indicating instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by observational error human error instrument not responding fast environmental error observational error human error instrument not responding fast environmental error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.065 ± 0.056 ± 0.045 ± 0.054 ± 0.065 ± 0.056 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Potential transformers Power transformers Current transformers Either of the above Potential transformers Power transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
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