Sheet Glass Manufacture: The Float Process – IELTS Reading Answers

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Updated On Apr 16, 2021

Sheet Glass Manufacture: The Float Process – IELTS Reading Answers

Contents

1 Sheet Glass Manufacture: The Float Process
2 Answers

You should spend 20 minutes on questions 1-13, based on your reading of the given passage.

Sheet Glass Manufacture: The Float Process

sheet glass - 1

sheet glass - 2

sheet glass - 3

sheet glass - 4

sheet glass - 5

Answers

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The answers to questions 1-13 are given below along with their explanations.

Question Number	Answer	Keywords	Location of Keywords
1	spinning	The first successful method, clear, flat glass, spinning	Para 1, lines 3-4
2	(perfectly) unblemished	effective, glass, not touched, surfaces between, soft, hard, stayed, unblemished	Para 1, lines 5-6
3	labour/labour-intensive	However, process, long time, labour intensive	Para 1, last 2 lines
4	thickness	This allowed glass, any thickness, made non-stop	Para 2, lines 3-4
5	marked	rollers, leave both sides, glass marked	Para 2, lines 4-5
6	(molten) glass	pouring molten glass, molten tin	Para 4, line 2
7	tin	best metal, tin.	Para 3, last line
8	rollers	any thickness, rollers, leave, glass marked	Para 2, lines 4-5
9	TRUE	metal, melt, less than, about 600°C, could not boil, below, about 1500°C	Para 3, lines 5-7
10	NOT GIVEN
11	FALSE	14 months, non-stop production, costing, £100,000 a month, before, produced any usable glass	Para 5, lines 2-3
12	TRUE	product, changed dramatically, single thickness, 6.8 mm, range from sub-millimetre to 25 mm, ribbon, marred, inclusions, bubbles, optical perfection	Para 7, first 3 lines
13	TRUE	Inspection technology allows more than 100 million measurements a second, across the ribbon, locating flaws, unaided eye, unable to see	Para 7, lines 7-8

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