Timekeeper: Invention of the Marine Chronometer – IELTS Reading Answers

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Updated On Apr 17, 2021

Timekeeper: Invention of the Marine Chronometer – IELTS Reading Answers

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1 Timekeeper: Invention of the Marine Chronometer
2 Answers

Answer questions 1-14 based on the given reading passage.

Timekeeper: Invention of the Marine Chronometer

marine chronometer - 1

marine chronometer - 2

marine chronometer - 3

marine chronometer - 4

marine chronometer - 5

Answers

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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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