PTE · Describe Image

Masks in History and Industry: PTE Describe Image practice questions

4 original Describe Image questions. Question 1 is free to record, play back and compare with a sample answer right here; log in free to practise the rest in the BandLadder app.
  • 4 questions
  • Question 1 free, no login
  • PTE Academic and PTE Core
1

Surgical Mask Material Composition

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Look at the image below. You have 25 seconds to study it, then 40 seconds to describe in detail what it shows.

Material Composition of Standard Surgical Masks (%). Spunbond Polypropylene 60, Meltblown Filter Layer 25, Nose Wire and Clips 10, Elastic Ear Loops 5.

Material Composition of Standard Surgical Masks (%)
  • Spunbond Polypropylene: 60%
  • Meltblown Filter Layer: 25%
  • Nose Wire and Clips: 10%
  • Elastic Ear Loops: 5%
View the data
CategoryValue (%)
Spunbond Polypropylene60
Meltblown Filter Layer25
Nose Wire and Clips10
Elastic Ear Loops5

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Questions 2–4

Look at the image below. You have 25 seconds to study it, then 40 seconds to describe in detail what it shows.

Read them here; log in to answer and check them.

2

Particulate Filter Efficiency Over Time

Filter Efficiency by Particle Size (%). Standard Respirator: 0.1 um 92, 0.3 um 88, 0.5 um 94, 1.0 um 98, 2.5 um 99, 5.0 um 100. Basic Cloth Mask: 0.1 um 20, 0.3 um 15, 0.5 um 28, 1.0 um 45, 2.5 um 62, 5.0 um 75.

Filter Efficiency by Particle Size (%)
0204060801000.1 um0.3 um0.5 um1.0 um2.5 um5.0 um
  • Standard Respirator
  • Basic Cloth Mask
View the data
0.1 um0.3 um0.5 um1.0 um2.5 um5.0 um
Standard Respirator9288949899100
Basic Cloth Mask201528456275
3

Archaeological Funerary Mask Discoveries

Preserved Funerary Masks by Region and Medium. Columns: Region, Gold Foil, Terracotta, Wood, Stone. Eastern Mediterranean, 120, 45, 15, 30. Andean Highlands, 85, 20, 10, 60. Nile Valley, 150, 65, 90, 40. Mesoamerica, 10, 35, 25, 110.

Preserved Funerary Masks by Region and Medium
RegionGold FoilTerracottaWoodStone
Eastern Mediterranean120451530
Andean Highlands85201060
Nile Valley150659040
Mesoamerica103525110
4

N95 Respirator Testing Sequence

Respirator Quality Certification Procedure. Stage 1: Raw Fabric Inspection. Stage 2: Aerosol Penetration Testing. Stage 3: Inhalation Resistance Check. Stage 4: Headband Tensile Stress Test. Stage 5: Final Sterilisation and Packaging.

Respirator Quality Certification Procedure
  1. 1.Raw Fabric Inspection
  2. 2.Aerosol Penetration Testing
  3. 3.Inhalation Resistance Check
  4. 4.Headband Tensile Stress Test
  5. 5.Final Sterilisation and Packaging

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