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3D Printing and DesignWhen choosing a material for a medical device that will be surgically implanted, which performance requirement is the absolute primary consideration? (i) High Shore Hardness (ii) Excellent Surface Finish (iii) Biocompatibility (iv) Low Cost2025?mManufacturing TechnologyIn mould and die design, which material is most commonly used for high-volume production due to its wear resistance? (i) Mild Steel (ii) High-Speed Steel (iii) Tool Steel (iv) Aluminum Alloy20262mEngineering MaterialsChoose the correct option: Which statement about hardness testing is most appropriate for steels? (i) Rockwell hardness directly gives Young's modulus (ii) Brinell hardness can be empirically related to ultimate tensile strength (iii) Vickers hardness is expressed in HRC units (iv) Hardness tests are unrelated to strength20252mBio MEMSWhich parameter is particularly important in determining the flow regime inside a microfluidic channel? (i) Reynolds number (ii) Atomic number (iii) Optical wavelength only (iv) Melting point20262m
PreviousSelective assembly is adopted to (i) Increase machining time (ii) Reduce manufacturing cost while maintaining fit (iii) Eliminate inspection (iv) Increase toleranceNextIn microscale machining, process metrology primarily focuses on (i) Dimensional accuracy at macro level (ii) Tool life prediction only (iii) Nano-level surface finish and micro-feature accuracy (iv) Reducing cutting fluid usage
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