Technical Test For Medical Device Components【basic】
- 1.How would rigidity (stiffness performance) change if number of filar of ACTONE is increased with same ID & OD?
- A.
Decrease
- B.
Increase
- C.
No change
- 2.How would torque performance generally change when Radius Bend is small ?
- A.
Become worse
- B.
Become better
- C.
No change
- 3.Customer desires to make ACTONE less rigid while keeping same ID and OD. What would you tell them?
- A.
We cannot make less rigid and more
- B.
Let’s decrease number of filar
- C.
Let’s increase number of filar
- 4.ACTONE can be made of SS304 and SS316. How torque performance and rigidity would differ?
- A.
SS304 has better torque and lower rigidly
- B.
SS316 has better torque and higher rigidity
- C.
No above
- 5.Customer desires to improve surface friction performance of torque coil. What would you tell them?
- A.
We will do PTFE coating, it would not affect torque performance
- B.
We will do PTFE coating, however, it would affect torque performance
- C.
We will do PTFE coating, torque performance would be better
- 6.Which ACTONE tends to get wires frayed?
- A.
More filar count
- B.
Less filar count
- C.
No impact (the same)
- 7.Customer would like to know if ACTONE’s performance changes in case, they change the pitch wider. What would you tell them?
- A.
We cannot change pitch.
- B.
Rigidity gets higher, tends to get wire frayed and impact torque performance
- C.
Rigidity gets higher, torque performance gets worse and other no impact
- 8.Which wire rope is stiffer 1X7 or 1X19 ?
- A.
1X7
- B.
1X19
- C.
Same
- 9.Which are correct chemical components for SS304 ?
- A.
Cr, Ni, Mo, Fe
- B.
Cr, Ni, Si, Fe
- C.
Cr, Ni, Ti, Al
- 10.
Metal Strength: －What is the area that returns to former shape after releasing the load on the Stress Strain Diagram?- A.
Plastic area
- B.
Metal area
- C.
Non-metal area
- D.
Elastic area
- 11.
Metal Strength: What is the name of the point that does not increase the load but increase the strain on the Stress Strain Diagram?
- A.
Breaking point
- B.
Yield point
- C.
Proportion point
- D.
Lower point
- 12.SS316 is adding the element of _______to SS304.
- A.
Carbon
- B.
Oxygen
- C.
Molybdenum
- D.
Hydrogen
- 13.How do you calculate the tensile strength?
- A.
Breaking load/OD
- B.
Breaking load /Length
- C.
Breaking load /Section area
- 14.Which one has the most elongation?
- A.
Torque Coil
- B.
Conventional Coil (Regular Coil)
- C.
Flat Wire Coil
- 15.Which one has the highest rigidity if OD is same?
- A.
Core Wire
- B.
Flat Wire Coil
- C.
ACTONE Swaging
- 16.Which wire rope has the highest rigidity if OD is same for all below?
- A.
１×3
- B.
1×7
- C.
1×19
- 17.Please choose the most appropriate grinding rate in regards to the center-less grinding for ACTONE.
- A.
30－40％
- B.
10－20％
- C.
50－60％
- 18.Which material has the highest tensile strength?
- A.
NITI
- B.
SS
- C.
Platinum
- 19.Which is the correct combination that GMA can do for compounding of resin ?
- A.
ETFE, PEEK, FEP, Pebax, PE
- B.
ETFE, FEP, Pebax, PE, PTFE
- C.
ETFE, PFA, Polyamide, PU, PE
- 20.Which are 3 materials that can be used for Single Lumen tube in GMA ?
- A.
Nylon, PTFE, PU
- B.
PE, PU, ETFE
- C.
PU, PE, PTFE
- 21.Which coatings are available for ACTONE, TQC in GMA ?
- A.
PE, Pebax, PTFE
- B.
PU, Pabox, PE
- C.
PTFE, PA, Pebax
- 22.Which is the correct answer regarding GMA's PTFE thin layer tube ?
- A.
The thickness is 16-24 (both side) micron, coated by extrusion and shipped as cut product.
- B.
The thickness is 5-100 (both side) micron, coated by dipping method and shipped as spool.
- C.
The thickness is 16-24 (both side) micron, coated by dipping method and shipped as spool.
- 23.Which is the correct answer regarding GMA's PTFE tube ?
- A.
It is manufactured in extrusion and the coating for ACTONE is availble.
- B.
It is not manufactured in GMA and manufactured by the other facility.
- C.
It is manufactured in extrusion and maily used as material for micro catheter.
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.png "Metal Strength: What is the name of the point that does not increase the load but increase the strain on the Stress Strain Diagram?")
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