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Timekeeper: Invention of the Marine Chronometer – IELTS Reading Answers
Answer questions 1-14 based on the given reading passage.
Timekeeper: Invention of the Marine Chronometer
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The answers to questions 1-14 are given below along with their explanations.
| Question Number | Answer | Keywords | Location of Keywords |
|---|---|---|---|
| 1 | E | – | Entire Para E |
| 2 | A | they might face a great number of risks, shipwreck, running out of supplies before arriving | Para A, lines 2-3 |
| 3 | E | Britain’s first-class clockmaker, provided, financial aid, early-stage work on sea clocks | Para E, lines 7-8 |
| 4 | G | a safe, pragmatic, navigation at sea, next century and half | Para G, last 2 lines |
| 5 | B | The longitude, term, used to measure the distance, covered from one’s home, another place, without the limitations of naturally occurring baseline | Para B, first 3 lines |
| 6 | TRUE | Theoretically, knowing the longitude position was quite simple | Para B, lines 10-11 |
| 7 | FALSE | To determine longitude, navigators had no choice but to measure the angle with the naval sextant between Moon centre and a specific star | Para B, lines 3-4 |
| 8 | NOT GIVEN | ||
| 9 | Local time | local time (easily identified by checking the position of the Sun) | Para C, lines 2-3 |
| 10 | 2.8 seconds | error, required timekeeping, within 2.8 seconds a day | Para D, lines 4-5 |
| 11 | lubrication | revolutionary because it required no lubrication | Para E, lines 4-5 |
| 12 | a/the sextant | principal contestant, English mathematician, John Hadley, sextant | Para F, first 2 lines |
| 13 | angles | sextant, tool, people adopt, calculation, location of ships or planes | Para F, lines 2-4 |
| 14 | Marine chronometer | made the final decision, format and productions system, marine chronometer | Para G, lines 4-5 |
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