Ibmt statusation office
The test for the jewellery staff knowledge competition contains a revised version of the answer
Staff knowledge competition test
Name: counter no. Ibt5ab-ibmt08-ibmt2c-zzt18
The test for the jewellery staff knowledge competition contains a revised version of the answer
Staff knowledge competition test
Name: counter number: score:
1. The term diamonds is derived from the greek language “adamas”, which means that it is hard and inert. Diamonds are known as “()” and are the world's most precious jewels
A, king of the jade stones b, king of the gems c, queen of the gems d, princess of the gems
Diamonds are the hardest minerals in nature, their hardness is characterized by heterogeneity and their hardness varies from direction to direction, so its hardness is moth ()
A, 7 b, 8 c, 9d, 10
3. Because the diamond composition is single and pure, the density of diamonds is stable and not very variable. Only a fraction of the diamonds containing more impurities and parcels show a slight change in density, a characteristic that is also important in the identification process, so its density is ()
A, 3. 52 b, 3. 33 c, 3
4. Diamonds are the most refractive minerals in natural colourless and transparent minerals, so well polished diamonds have a strong light and brightness, so their refractive rate is (...)
A, 2. 417 b, 2. 5 c, 2. 6 d, 2. 817
5. Diamonds are the most colour-dispersed minerals in the natural colourless and transparent gems, with a strong “fire colour” adding infinity to the diamond, and an important basis for eye-to-eye identification of diamonds, so that it is ()
A, 5b, 6c, 0. 044d, 4
6. The main chemical component of diamonds is c, and the most common trace element of diamonds is ()
A bob b silicon c n2d calcium
7. Diamonds have the largest moustache, with a moustache of 9 in goonyu and a 10 degree hardness of double the 9 degree hardness ()
A 100b 150c 200d 250
8. The hardness of the diamonds is significant and therefore generally used to grind ()
A special blade b laser c diamond d stainless steel wheel
9- the company's first synthetic gem diamond in 1970 ()
A-swiss aseab, united kingdom of great britain and northern ireland
10, 3 g equals carat()
A 10b12c 15d 18
11. Quantities of diamonds are generally specified in precise terms ()
Acd, that's not right
12. Our mass rating for polished diamonds is greater than or equal to ct()
Ac
