1. Energy Fundamentals
Measurement Principles — Quiz
Test your understanding of measurement principles with 5 practice questions.
Practice Questions
Question 1
Which principle ensures that measurement results can be related to national or international standards through an unbroken chain of comparisons?
Question 2
A power meter has a systematic error of +2% and measures an actual consumption of 100\,kWh. What reading will the meter display?
Question 3
In an energy audit, the inlet temperature is measured as $150\pm2.0\,^{\circ}\mathrm{C}$ and the outlet as $90\pm1.5\,^{\circ}\mathrm{C}$. What is the temperature difference and its uncertainty?
Question 4
Which instrument characteristic describes how closely the relationship between input and output remains proportional across the measurement range?
Question 5
What is the primary function of a transducer in an energy measurement system?