McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 101. |
Majority of Diamond cutting & polishing centres in India are in |
| A. | mumbai |
| B. | surat |
| C. | jaipur |
| D. | delhi |
| Answer» B. surat | |
| 102. |
The ideal diamoneter of a 01 carat diamond is |
| A. | 5 mm |
| B. | 5.5 mm |
| C. | 6 mm |
| D. | 6.5 mm |
| Answer» D. 6.5 mm | |
| 103. |
Diamond Sight Holders go to which City to view DTC sight |
| A. | london |
| B. | dubai |
| C. | johannesburg |
| D. | gabron |
| Answer» D. gabron | |
| 104. |
The ability of a mineral to resist scratch from other mineral is called as |
| A. | scratch |
| B. | hardness |
| C. | toughness |
| D. | resistance |
| Answer» B. hardness | |
| 105. |
The hardness of diamond is |
| A. | high |
| B. | extremely high |
| C. | medium |
| D. | extremely low |
| Answer» B. extremely high | |
| 106. |
Rainbow colors from a diamonds crown are called as |
| A. | fire |
| B. | spectrum |
| C. | dispersion |
| D. | rainbow |
| Answer» C. dispersion | |
| 107. |
Which Diamond Simulant shows doubling and strong dispersion |
| A. | zircon |
| B. | diamond |
| C. | synthetic moissanite |
| D. | strontiam titanate |
| Answer» C. synthetic moissanite | |
| 108. |
Diamond Simulant are lower in which property in comparison to diamond |
| A. | hardness |
| B. | dispersion |
| C. | sg |
| D. | ri |
| Answer» A. hardness | |
| 109. |
Diamond & Graphite are made up from |
| A. | boron |
| B. | carbon |
| C. | nitrogen |
| D. | oxygen |
| Answer» B. carbon | |
| 110. |
Diamond is formed beneath the earths surface at what temperature |
| A. | 150⁰ to 180⁰ |
| B. | 1500⁰ to 1800⁰ |
| C. | 15000⁰ to 18000⁰ |
| D. | none of the above |
| Answer» B. 1500⁰ to 1800⁰ | |
| 111. |
Which word is included in the diamond 4Cs |
| A. | conditioner |
| B. | cream |
| C. | carat |
| D. | coolant |
| Answer» C. carat | |
| 112. |
Which word is included in the diamond 4Cs |
| A. | cucumber |
| B. | carton |
| C. | cardboard |
| D. | cut |
| Answer» D. cut | |
| 113. |
Which word is included in the diamond 4Cs |
| A. | cutter |
| B. | card |
| C. | colour |
| D. | crate |
| Answer» C. colour | |
| 114. |
Which word is included in the diamond 4Cs |
| A. | candy |
| B. | cash |
| C. | clarity |
| D. | cover |
| Answer» C. clarity | |
| 115. |
Color Grading of Diamond starts from alphabet |
| A. | a |
| B. | b |
| C. | c |
| D. | d |
| Answer» D. d | |
| 116. |
The last color grade of a diamond is denoted by alphabet |
| A. | l |
| B. | z |
| C. | k |
| D. | d |
| Answer» B. z | |
| 117. |
Highest Clarity Grade of a diamond is |
| A. | imperfect |
| B. | very slightly included |
| C. | slightly included |
| D. | flawless |
| Answer» D. flawless | |
| 118. |
The Lowest Clarity Grade of a Diamond Is |
| A. | i 3 |
| B. | vs |
| C. | si |
| D. | if |
| Answer» A. i 3 | |
| 119. |
Off Centre Culet is factor of |
| A. | cut |
| B. | polish |
| C. | colour |
| D. | symmetry |
| Answer» D. symmetry | |
| 120. |
Girdle not Round is a factor of |
| A. | rough |
| B. | polish |
| C. | symmetry |
| D. | shape |
| Answer» C. symmetry | |
| 121. |
Open culet is a factor of |
| A. | damage |
| B. | polish |
| C. | symmetry |
| D. | carat |
| Answer» C. symmetry | |
| 122. |
Symmetry in diamond is important for |
| A. | maximum brilliance |
| B. | maximum heat |
| C. | maximum hardness |
| D. | maximum colour |
| Answer» A. maximum brilliance | |
| 123. |
Presence of Boron Gives what colour to Diamond |
| A. | black |
| B. | yellow |
| C. | blue |
| D. | brown |
| Answer» C. blue | |
| 124. |
Inclusion plotting in the softwares is |
| A. | always perfect |
| B. | needs to be checked manually |
| C. | not reliable |
| D. | none of the above |
| Answer» B. needs to be checked manually | |
| 125. |
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» B. by opening window | |
| 126. |
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» C. to hold diamond on the platform | |
| 127. |
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» D. spectrum analysis for selection of direction of the cutting and facets for better colour | |
| 128. |
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» B. parallel set of windows | |
| 129. |
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 |
| Answer» A. maximum brilliance and symmetry | |
| 130. |
Which bruting process can be achieved by 4P |
| A. | table & girdle |
| B. | pavillion |
| C. | crown |
| D. | all above |
| Answer» D. all above | |
| 131. |
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 |
| Answer» C. assortment/ sawing/cleaving/planning marking/polishing/grading | |
| 132. |
Polariscope is used to observe which effect in Diamond |
| A. | stress |
| B. | colour |
| C. | clarity |
| D. | none of the above |
| Answer» A. stress | |
| 133. |
Microcscope is used to observe diamonds for |
| A. | inclusions |
| B. | blemishes |
| C. | symmetry |
| D. | all of above |
| Answer» D. all of above | |
| 134. |
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 |
| Answer» A. faces - 6 point : 8 edges : 12 | |
| 135. |
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 |
| Answer» D. faces - 8 point : 6 edges : 12 | |
| 136. |
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 |
| Answer» B. faces - 12 point : 6 + 8 edges : 24 | |
| 137. |
Triangular Marking on the surface of rough diamond are called as |
| A. | trigons |
| B. | graining |
| C. | twinning |
| D. | macle |
| Answer» A. trigons | |
| 138. |
How many faces are there in an Octahedron Crystal |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 139. |
What is the shape of the Crystal faces in an Octahedron Crystal |
| A. | rectangle |
| B. | triangular |
| C. | round |
| D. | hexagonal |
| Answer» B. triangular | |
| 140. |
How many 4 point Junctions are there in an Octahedron Crystal |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 141. |
How many 03 point junctions are there in an Octahedron Crystal |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» A. 0 | |
| 142. |
How many edges are there in an Octahedron Crystal |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 16 |
| Answer» C. 12 | |
| 143. |
How many faces are there in a cube |
| A. | 4 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» B. 6 | |
| 144. |
how many edges are there in a cube |
| A. | 4 |
| B. | 8 |
| C. | 10 |
| D. | 12 |
| Answer» D. 12 | |
| 145. |
How many 03 point junctions are there in cube |
| A. | 0 |
| B. | 1 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 146. |
How many 04 point junctions are there in a cube |
| A. | 0 |
| B. | 1 |
| C. | 8 |
| D. | 12 |
| Answer» A. 0 | |
| 147. |
How many edges are there in a rhombododecahedron shaped diamond rough |
| A. | 0 |
| B. | 2 |
| C. | 12 |
| D. | 24 |
| Answer» D. 24 | |
| 148. |
How many faces are there in a rhombododecahedron shaped diamond rough |
| A. | 0 |
| B. | 2 |
| C. | 12 |
| D. | 24 |
| Answer» C. 12 | |
| 149. |
How many 03 point junctions are there in a rhombododecahedron shaped diamond rough |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 150. |
How many 04 point junctions are there in a rhombododecahedron shaped diamond rough |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» D. 6 | |
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