Question 1

Planner has to give consideration to

Accepted Answer

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 D

Question 2

How many edges are there in a rhombododecahedron shaped diamond rough

Accepted Answer

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

Question 3

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

Accepted Answer

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 B

Question 4

how many edges are there in a cube

Accepted Answer

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

Question 5

How many 03 point junctions are there in cube

Accepted Answer

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

Question 6

How many faces are there in an Octahedron Crystal

Accepted Answer

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

Question 7

Microcscope is used to observe diamonds for

Accepted Answer

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

Question 8

How many 4 point Junctions are there in an Octahedron Crystal

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

How many 04 point junctions are there in a cube

Accepted Answer

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

Question 11

How many edges are there in an Octahedron Crystal

Accepted Answer

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

Question 12

Which bruting process can be achieved by 4P

Accepted Answer

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

Question 13

Polariscope is used to observe which effect in Diamond

Accepted Answer

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

Question 14

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

Accepted Answer

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 15

How many faces are there in a cube

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

Triangular Marking on the surface of rough diamond are called as

Accepted Answer

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

Question 19

What is the use of vacuum in sarin machine?

Accepted Answer

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

Question 20

The correct process of procesing the rough diamond is

Accepted Answer

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

Exam 6: Diamond Processing and Crystal Structures