GIA Diamonds and Diamond Grading Assignment 8 Questionnaire with Answers
4 views 0 purchase
Course
Diamond grading
Institution
Diamond Grading
Why polish "windows" on the surface of frosted diamond rough?
A. Retain weight
B. View inclusions
C. Improve brilliance
D. Remove growth marks - Answer-B. View inclusions
What improved the precision and efficiency of diamond cutting in the 1980s?
A. Laser processing
B. Motorized sawing
C....
GIA Diamonds and Diamond Grading
Assignment 8 Questionnaire with
Answers
Why polish "windows" on the surface of frosted diamond rough?
A. Retain weight
B. View inclusions
C. Improve brilliance
D. Remove growth marks - Answer-B. View inclusions
What improved the precision and efficiency of diamond cutting in the 1980s?
A. Laser processing
B. Motorized sawing
C. Automated cleaving
D. Mechanized bruting - Answer-A. Laser processing
What enabled the mass production of faceted diamonds?
A. Cast-iron polishing wheel
B. Motorized diamond saw
C. Coated iron wires
D. Diamond dust - Answer-B. Motorized diamond saw
What splitting method does not rely on crystal directions?
A. Cleaving
B. Polishing
C. Laser sawing
D. Blade sawing - Answer-C. Laser sawing
What device allows cutters to adjust angles during polishing?
A. Saw blade
B. Scaife
C. Tang
D. Dop - Answer-C. Tang
What step polishes the final facets of a diamond?
A. Brillianteering
B. Blocking
C. Bruting
D. Coning - Answer-A. Brillianteering
Why did cutters first make a table cut?
A. Ease of cut
B. Avoid chips
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
