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 ? ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2.66 %. 2 %. 1 %. 3.33 %. 2.66 %. 2 %. 1 %. 3.33 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Squareroot of the current Square of the current Sine of the measurand Current Squareroot of the current Square of the current Sine of the measurand Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction None of the listed here Permanent magnet Fluid friction Air friction None of the listed here Permanent magnet Fluid friction ANSWER DOWNLOAD EXAMIANS APP
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