C) run
21. The new equipment has to________
A) been set up
B) be set up
C) set up
22. To get this job, an education in the sphere of metrology and some professional experience _________
A) required
B) will require
C) is required
23. Commercial enterprises ___________ by government.
A) don’t run
B) isn’t run
C) aren’t run
24. Some businesses _________ in hiring young qualified specialists.
A) interested
B) interest
C) are interested
25. To get reliable results, all physical characteristics ______
A) has to be measured
B) should be measured
C) is to be measured
26. In this process of measurement high precision and accuracy ________
A) is required
B) required
C) requires.
27. After the measurement uncertainty evaluation, the traceability protocol _________ drawn up.
A) should be
B) must have been
C) could be
28. X-ray spectroscopy ________ (operate) by a team of specialists.
A) is operated
B) will operate
C) operated
29. Traceability ____ most often __________ by calibration.
A) is obtaining
B) was obtained
C) is obtained
30. All standards _____ _________ by national metrological institutes.
A) usually coordinate
B) are usually coordinated
C) have usually been coordinated
31. The metrology and calibration work __________ by documentation.
A) is always accompanied
B) always accompanies
C) have always accompanied.
32. The documentation can __________ into two types; one related to the task and the other related the administrative program.
A) divide
B) be divided
C) have been devided
33. Task documentation _________ calibration procedures and the data collected.
A) includes
B) B) is included
C) C) have been included
34. The circumference of a great circle of the Earth (about 40,000 km) ___________ to large distances.
a) is often compared
b) often compares
c) has often compared
35. The difference (0.17%) between the two Earth circumference circles (through the pole and along the equator) is insignificant at the low precision that these quantities _________ to.
a) is typically given
B) are typically given
c) typically give
36. The definitions of both the nautical mile and the kilometre __________ from the Earth's circumference as measured through the poles.
a) are originally derived
B) were originally derived
c) originally derived
37. The nautical mile ___________ as 1/21,600 of the Earth's circumference, or about 1,852.22 metres.
a) defined
b) has been defined
c) was defined
38. The kilometre _________ as 1/10,000 of the distance from a pole to the equator, or as 1/40,000 of the Earth's circumference as measured through the poles.
a) has originally been defined
b) has originally defined
c) was originally defined
39. This definition ____________ the kilometre's length approximately 1,000.197 metres, whereas it is exactly 1,000 metres (approximately 3,281 feet), of course.
a) has been made
b) made
c) was made
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