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Question 1 of 9
1. Question
To assure equivalence of measurements conducted at different labs or destinations, the results of these measurements should be checked against a common reference.
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Question 2 of 9
2. Question
The speed of light in vacuum c is 299 792 458 km/s.
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Question 3 of 9
3. Question
The first International System of Units, with the abbreviation SI, was approved in which year
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Question 4 of 9
4. Question
Mass measurements done in 2023 are supposed to be traceable to the physical sample of 1 kg held at the BIPM.
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Question 5 of 9
5. Question
The new SI symbol for 10 -30 to be known as the quecto is:
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Question 6 of 9
6. Question
On what constants was the initial SI based ?
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Question 7 of 9
7. Question
What does the the acronym “MKS” stand for ?
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Question 8 of 9
8. Question
Which of the following water volumes is the equivalent mass of 1 kg ?
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Question 9 of 9
9. Question
A watt balance compares mechanical power to which of the following ?