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This section includes 172 Mcqs, each offering curated multiple-choice questions to sharpen your Uncategorized topics knowledge and support exam preparation. Choose a topic below to get started.
151. |
The Galaxy QC and M box with IG technology are used to |
A. | plot the inclusions in side a rough diamond |
B. | no windowing is required |
C. | scan even heavy coated diamonds |
D. | all of the above |
Answer» E. | |
152. |
Which machine is used to weight the diamond accurately ? |
A. | weighing balance |
B. | proportion scope |
C. | sarin machine |
D. | helium machine |
Answer» B. proportion scope | |
153. |
What is black spot in the diamond..? |
A. | black inclusion |
B. | red inclusion |
C. | green inclusion |
D. | colourless inclusion |
Answer» B. red inclusion | |
154. |
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» C. facets in many places | |
155. |
What should be the Whitner's proportion of mapping on rough diamonds |
A. | thick |
B. | thin |
C. | medium |
D. | only on half part of diamond |
Answer» D. only on half part of diamond | |
156. |
What are the various technology available for scanning diamond through softwares |
A. | galaxy |
B. | m box |
C. | ig |
D. | all of the above |
Answer» E. | |
157. |
Which Diamond Simulant shows doubling and strong dispersion |
A. | zircon |
B. | diamond |
C. | synthetic moissanite |
D. | strontiam titanate |
Answer» D. strontiam titanate | |
158. |
How many Lower girdle fecets are there in a Round Brilliant cut Diamond? |
A. | 24 |
B. | 8 |
C. | 16 |
D. | 32 |
Answer» D. 32 | |
159. |
Which is Symmetry Features in a polished diamond |
A. | off centre table |
B. | burn mark |
C. | scratch |
D. | natural skin |
Answer» B. burn mark | |
160. |
In which diamond rough generally more trigons are found? |
A. | australian |
B. | syndicate |
C. | zimbabwean |
D. | indian |
Answer» C. zimbabwean | |
161. |
What kind of diamond by size and value be checked by IG Technology |
A. | roughs with heavy inclusions |
B. | low color low clarity rough |
C. | valuable rough with less inclusions |
D. | small size rough |
Answer» B. low color low clarity rough | |
162. |
What kind of diamond by size and value be checked by Mbox Technology |
A. | roughs with heavy inclusions |
B. | valuable rough with less inclusions |
C. | low color low clarity rough |
D. | small size rough |
Answer» C. low color low clarity rough | |
163. |
What kind of diamond by size and value be checked by Galaxy Technology |
A. | small size rough |
B. | low color low clarity rough |
C. | roughs with heavy inclusions |
D. | valuable rough with less inclusions |
Answer» D. valuable rough with less inclusions | |
164. |
Which Technology requires opening of window, for scanning a diamond |
A. | galaxy |
B. | i g technology |
C. | m.box |
D. | none of the above |
Answer» D. none of the above | |
165. |
After mapping a diamond in the planner machine |
A. | whitener is cleaned with acetone |
B. | diamond is washed |
C. | diamond is kept in the packet |
D. | none of the above |
Answer» B. diamond is washed | |
166. |
What is the dark spot in the diamond..? |
A. | black inclusion |
B. | red inclusion |
C. | green inclusion |
D. | colourless inclusion |
Answer» B. red inclusion | |
167. |
Which countrys rough is found mostly with opaque coated layer? |
A. | australian |
B. | namibia |
C. | lisotho |
D. | sierra lone |
Answer» E. | |
168. |
Diamond Simulant are lower in which property in comparison to diamond |
A. | hardness |
B. | dispersion |
C. | sg |
D. | ri |
Answer» B. dispersion | |
169. |
A diamond can break if the planner does not take into considertaion |
A. | colour |
B. | coating |
C. | blemish |
D. | stress |
Answer» E. | |
170. |
Can we see diamond in the dark or not? |
A. | yes |
B. | no |
C. | sometimes |
D. | don t know |
Answer» C. sometimes | |
171. |
If immersion technology is not used, how can it be seen inside a coated diamond |
A. | by coating |
B. | by opening window |
C. | by simple mapping |
D. | none of the above |
Answer» C. by simple mapping | |
172. |
Replanning of a Diamond can be based on |
A. | repairs required |
B. | increase value |
C. | optimising proportions |
D. | all of the above |
Answer» E. | |