3D Printing: Design Fundamentals - Module 2 Assessment Question Title * 1. Which of the following sentences are correct? (2 answers required) Multi Jet Fusion has a broader selection of materials than Selective Laser Sintering Multi Jet Fusion has lower surface roughness than Selective Laser Sintering Multi Jet Fusion has a larger build envelope than Selective Laser Sintering Multi Jet Fusion has a longer build time than Selective Laser Sintering Multi Jet Fusion has more isotropic mechanical properties than Selective Laser Sintering Next Question Title * 2. The Selective Laser Sintering manufacturing process...(1 answer required) does not need support structures and uses a NO2 laser needs support structures and uses a NO2 laser does not need support structures and uses a CO2 laser needs support structures and uses a CO2 laser Next Question Title * 3. What is the minimum recommended channel gap? (1 answer required) 0.5mm in Selective Laser Sintering and 0.5mm in Multi Jet Fusion 0.5mm in Selective Laser Sintering and 1.0mm in Multi Jet Fusion 1.0mm in Selective Laser Sintering and 0.5mm in Multi Jet Fusion 1.0mm in Selective Laser Sintering and 1.0mm in Multi Jet Fusion Next Question Title * 4. Which of the following sentences about vapour smoothing is correct? (1 answer required) It improves water tightness It improves the surface finish to fully mimic an injection moulded part It improves the surface finish and hides pre-existing part defects It decreases the elongation at break Next Question Title * 5. Which of these parts may be at risk of warp? (1 answer required) 150mm long part in unfilled nylon 150mm long part in filled nylon 250mm long part in unfilled nylon 250mm long part in filled nylon Next Question Title * 6. Please provide your contact details below to receive your CPD certificate (if you achieve the pass criteria) Name Company Country Email Address Next Question Title * 7. Please tick this box if you would like to be contacted by Protolabs to receive information about our products and services, as further detailed in our Privacy Notice. Agree Next SUBMIT ANSWERS