railway UPMRC SCTO 2024 Mock Test Electrical and Electronics Measurements Basic Characteristics of an Instrument
Consider the following statements:
1. Correctness in measurement requires both accuracy and precision.
2. Reproducibility and consistency are expressions that best describe precision in measurements.
3. It is not possible to have precise measurements which are not accurate.
4. An instrument with ±2% accuracy is better than another with ±5% accuracy.
Which of the above statements are correct?1
1, 2, 3 and 4
2
1, 2 and 3
3
1, 2 and 4
4
3 and 4