McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 1. |
When Planning a rough diamond the inclusion should be Is it right to plan a rough diamond with a Inclusion in the Centre of the table |
| A. | in the centre of culet |
| B. | in the centre of table |
| C. | beneath the crown facets near the girdle |
| D. | in the kite facets |
| Answer» C. beneath the crown facets near the girdle | |
| 2. |
What is the primary aim of a computer planner |
| A. | optinum plan to get the maximum value of the rough |
| B. | calculate several alternative projections of shape |
| C. | calculate several alternative projections of clarity |
| D. | all of the above |
| Answer» D. all of the above | |
| 3. |
What precautions are to be taken by planner |
| A. | no inclusion at the culet |
| B. | no cavity on the crown and table |
| C. | not sure about the inclusion go for window opening first |
| D. | all of the above |
| Answer» D. all of the above | |
| 4. |
Why is computer rough planning done in a rough diamond? |
| A. | to capture inclusions & blemishes |
| B. | to capture the diamond colour |
| C. | for removing the blemishes |
| D. | for cutting the diamond |
| Answer» A. to capture inclusions & blemishes | |
| 5. |
PlannerCollects the bruted diamond packet from the supervisor & match the specifications of the diamonds such as………… |
| A. | shape, size and weight & quantity |
| B. | clarity colour weight |
| C. | clarity colour quantity |
| D. | shape colour weight |
| Answer» A. shape, size and weight & quantity | |
| 6. |
Planner can see plannning options based on |
| A. | shape |
| B. | size |
| C. | cut |
| D. | all of the above |
| Answer» D. all of the above | |
| 7. |
Planner observes the Diamond carefully for |
| A. | shape / size of rough diamond |
| B. | color of the diamond |
| C. | inclusions |
| D. | all of the above |
| Answer» D. all of the above | |
| 8. |
Valuation in software can be decided by |
| A. | 4c |
| B. | grading laboratory |
| C. | company norms |
| D. | all of the above |
| Answer» D. all of the above | |
| 9. |
If required natural skin or extra facet should be placed in which part of the pavillion |
| A. | in girdle |
| B. | on culet |
| C. | between facets |
| D. | between lower girdle facets |
| Answer» A. in girdle | |
| 10. |
What do you mean by Planning |
| A. | analyzing of rough diamond for getting best polished diamond with the best clarity grade out of the rough stone. |
| B. | analyzing of rough diamond for getting best colour with the best clarity grade out of the rough stone. |
| C. | analyzing of rough diamond for getting best symmetry with the best clarity grade out of the rough stone. |
| D. | analyzing of rough diamond for getting best proportions with the best colour grade out of the rough stone. |
| Answer» A. analyzing of rough diamond for getting best polished diamond with the best clarity grade out of the rough stone. | |
| 11. |
What is the importance of Planning a rough Diamond |
| A. | manual planning |
| B. | planning on softwares to get best yield and value |
| C. | direct 4p |
| D. | none of the above |
| Answer» B. planning on softwares to get best yield and value | |
| 12. |
What is the importance of Planning a rough Diamond on software |
| A. | fast |
| B. | more options choice |
| C. | inlusions plotting |
| D. | all of the above |
| Answer» D. all of the above | |
| 13. |
For computer planning the Planner has to take into consideration |
| A. | stress |
| B. | colour |
| C. | coating |
| D. | blemish |
| Answer» A. stress | |
| 14. |
Why is stress checked in a rough diamond? |
| A. | to plan for saving loss accrdingly while cutting |
| B. | to polish the diamond |
| C. | to check the colour of rough diamond |
| D. | to check the shape of rough diamond |
| Answer» A. to plan for saving loss accrdingly while cutting | |
| 15. |
Stress is seen in the diamond in which colors? |
| A. | red |
| B. | rainbow colors |
| C. | green |
| D. | blue |
| Answer» B. rainbow colors | |
| 16. |
Stress is observed in a diamond with which instrument |
| A. | polariscope |
| B. | 10 x eye glass |
| C. | m-box |
| D. | microscope |
| Answer» A. polariscope | |
| 17. |
If UV flourescence is there in a rough diamond, what will be its effect on the colour of the polished diamond |
| A. | colour will be one grade down |
| B. | colour will be one grade up |
| C. | no change |
| D. | none of the above |
| Answer» A. colour will be one grade down | |
| 18. |
Diamond flouresces in which colour under UV |
| A. | pink |
| B. | blue |
| C. | orange |
| D. | none of the above |
| Answer» B. blue | |
| 19. |
What is the work of QC operator |
| A. | inclusions in light contrast that are are not detected by the software have to be plotted by the qc operator, manually |
| B. | verify that the inclusions plotted by the software are correct |
| C. | delete the inclusions that are wrongly plotted by the software |
| D. | all of the above |
| Answer» D. all of the above | |
| 20. |
Replanning of a Diamond can be based on |
| A. | repairs required |
| B. | increase value |
| C. | optimising proportions |
| D. | all of the above |
| Answer» D. all of the above | |
| 21. |
If an inclusion is planned in the culet what will be the efect of the same |
| A. | will reflect in all pavillion facets |
| B. | will reflect in all kite facets |
| C. | will reflect in all star facets |
| D. | will reflect in all upper girdle facets facets |
| Answer» A. will reflect in all pavillion facets | |
| 22. |
What do u mean by Marking |
| A. | the location from where the diamond has to sawed or cleaved and outlined |
| B. | mark from a permanent marker pen |
| C. | mark by a laser marking is made |
| D. | all of the above |
| Answer» D. all of the above | |
| 23. |
After mapping and inclusion plotting by software what is the next process |
| A. | inclusion qc |
| B. | laser 4p |
| C. | cleaving |
| D. | remapping |
| Answer» A. inclusion qc | |
| 24. |
If a diamond needs to be cut, the planer |
| A. | marks the sawing plane by marker |
| B. | marks the sawing plane by laser |
| C. | draws the marking on a diagram |
| D. | none of the above |
| Answer» B. marks the sawing plane by laser | |
| 25. |
After Sawing the planner has to |
| A. | replan the diamond |
| B. | check that the earlier plan is still the optimum plan and replan if required thereafter |
| C. | recut the diamond again |
| D. | none of the above |
| Answer» B. check that the earlier plan is still the optimum plan and replan if required thereafter | |
| 26. |
For mapping in Sarin software how is the diamond placed? |
| A. | thick whitener quote |
| B. | without whitener coating |
| C. | light whitener coating |
| D. | none of the above |
| Answer» B. without whitener coating | |
| 27. |
After plan finalisation the planner |
| A. | saves the plan in computer |
| B. | takes a print out of the proposed plan and sticks on packet |
| C. | hands packet to supervisor |
| D. | all of the above |
| Answer» D. all of the above | |
| 28. |
Planner has to keep in mind company policy of |
| A. | maximising yield |
| B. | maximising clarity |
| C. | market trends |
| D. | all of the above |
| Answer» D. all of the above | |
| 29. |
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» A. whitener is cleaned with acetone | |
| 30. |
A diamond can break if the planner does not take into considertaion |
| A. | colour |
| B. | coating |
| C. | blemish |
| D. | stress |
| Answer» D. stress | |
| 31. |
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» C. medium | |
| 32. |
What are the various technology available for scanning diamond through softwares |
| A. | galaxy |
| B. | m box |
| C. | ig |
| D. | all of the above |
| Answer» D. all of the above | |
| 33. |
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» A. roughs with heavy inclusions | |
| 34. |
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» B. valuable rough with less inclusions | |
| 35. |
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» C. roughs with heavy inclusions | |
| 36. |
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» C. m.box | |
| 37. |
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» D. all of the above | |
| 38. |
In which diamond rough generally more trigons are found? |
| A. | australian |
| B. | syndicate |
| C. | zimbabwean |
| D. | indian |
| Answer» B. syndicate | |
| 39. |
Which countrys rough is found mostly with opaque coated layer? |
| A. | australian |
| B. | namibia |
| C. | lisotho |
| D. | sierra lone |
| Answer» D. sierra lone | |
| 40. |
The crown height of a polished diamond is ……….. |
| A. | 0.15 |
| B. | 0.16 |
| C. | 0.17 |
| D. | 0.18 |
| Answer» C. 0.17 | |
| 41. |
The Pavillion depth of a polished diamond is …………. |
| A. | 0.41 |
| B. | 0.42 |
| C. | 0.43 |
| D. | 0.44 |
| Answer» C. 0.43 | |
| 42. |
The Table size of polished diamond is …………………… |
| A. | 0.53 |
| B. | 0.54 |
| C. | 0.55 |
| D. | 0.56 |
| Answer» A. 0.53 | |
| 43. |
The Total depth of polished ………………. |
| A. | 0.58 |
| B. | 0.59 |
| C. | 0.6 |
| D. | 0.61 |
| Answer» A. 0.58 | |
| 44. |
The ideal girdle thickness of a diamond should be ……………….. |
| A. | 0.09 - 1.0% |
| B. | 1-2% |
| C. | 2-3% |
| D. | 3-4% |
| Answer» C. 2-3% | |
| 45. |
What is the ideal crown angle of a polished diamond……. |
| A. | 32.5 |
| B. | 33.5 |
| C. | 34.5 |
| D. | 35.5 |
| Answer» C. 34.5 | |
| 46. |
How many facets are there in single cut diamond..? |
| A. | 16 |
| B. | 17 |
| C. | 16+1 |
| D. | 17+1 |
| Answer» C. 16+1 | |
| 47. |
How many upper girdles are there in the Crown ? |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 12 |
| Answer» B. 16 | |
| 48. |
How many total facets are there in the Pavillion? |
| A. | 24 |
| B. | 32 |
| C. | 24+1 |
| D. | 33 |
| Answer» C. 24+1 | |
| 49. |
What is the line that separates the top and bottom in a polished Diamond called? |
| A. | crown |
| B. | girdle |
| C. | pavillion |
| D. | culet |
| Answer» B. girdle | |
| 50. |
Which is Symmetry Features in a polished diamond |
| A. | off centre table |
| B. | burn mark |
| C. | scratch |
| D. | natural skin |
| Answer» A. off centre table | |
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