Deck 6: Diamond Processing and Crystal Structures

Question 1

What is the use of vacuum in sarin machine?

A)to clean diamond
B)to release diamond
C)to hold diamond on the platform
D)to capture image of diamond

Answer 1

to hold diamond on the platform

Question 2

Planner has to give consideration to

A)spectrum analysis for betterweight
B)spectrum analysis for better clarity
C)spectrum analysis for better colour
D)spectrum analysis for selection of direction of the cutting and facets for better colour

Answer 2

spectrum analysis for selection of direction of the cutting and facets for better colour

Question 3

Spectrum Analysis in a rough diamond needs

A)windowing
B)parallel set of windows
C)facets in many places
D)all of the above

Answer 3

parallel set of windows

Question 4

The factor of CUT gives to a diamond…………………..

A)maximum brilliance and symmetry
B)maximum clarity & colour
C)maximum weight and colour
D)all of above

Question 5

Which bruting process can be achieved by 4P

A)table & girdle
B)pavillion
C)crown
D)all above

Question 6

The correct process of procesing the rough diamond is

A)polishing/sawing/cleaving/planning marking/assortment /grading
B)sawing/cleaving/polishing/assortment /planning marking/grading
C)assortment/ sawing/cleaving/planning marking/polishing/grading
D)assortment/planning marking sawing/cleaving/polishing/grading

Question 7

Polariscope is used to observe which effect in Diamond

A)stress
B)colour
C)clarity
D)none of the above

Question 8

Microcscope is used to observe diamonds for

A)inclusions
B)blemishes
C)symmetry
D)all of above

Question 9

How many faces / Points/Edges does a Cube shape have

A)faces - 6 point : 8 edges : 12
B)faces - 12 point : 6 edges : 24
C)faces - 6 point : 6 edges : 12
D)faces - 6 point : 8 edges : 24

Question 10

How many faces / Points/Edges does a Octahedron shape have

A)faces - 12 point : 6 edges : 24
B)faces - 6 point : 6 edges : 12
C)faces - 6 point : 8 edges : 24
D)faces - 8 point : 6 edges : 12

Question 11

How many faces / Points/Edges does a Dodecahedron shape have

A)faces - 12 point : 6 edges : 24
B)faces - 12 point : 6 + 8 edges : 24
C)faces - 6 point : 6 + 8 edges : 24
D)faces - 8 point : 6 + 8 edges : 24

Question 12

Triangular Marking on the surface of rough diamond are called as

A)trigons
B)graining
C)twinning
D)macle

Question 13

How many faces are there in an Octahedron Crystal

A)2
B)4
C)6
D)8

Question 14

What is the shape of the Crystal faces in an Octahedron Crystal

A)rectangle
B)triangular
C)round
D)hexagonal

Question 15

How many 4 point Junctions are there in an Octahedron Crystal

A)2
B)4
C)6
D)8

Question 16

How many 03 point junctions are there in an Octahedron Crystal

A)0
B)2
C)4
D)6

Question 17

How many edges are there in an Octahedron Crystal

A)4
B)8
C)12
D)16

Question 18

How many faces are there in a cube

A)4
B)6
C)8
D)10

Question 19

how many edges are there in a cube

A)4
B)8
C)10
D)12

Question 20

How many 03 point junctions are there in cube

A)0
B)1
C)4
D)8

Question 21

How many 04 point junctions are there in a cube

A)0
B)1
C)8
D)12

Question 22

How many edges are there in a rhombododecahedron shaped diamond rough

A)0
B)2
C)12
D)24

Question 23

How many faces are there in a rhombododecahedron shaped diamond rough

A)0
B)2
C)12
D)24

Question 24

How many 03 point junctions are there in a rhombododecahedron shaped diamond rough

A)0
B)2
C)4
D)8

Question 25

How many 04 point junctions are there in a rhombododecahedron shaped diamond rough

A)0
B)2
C)4
D)6