Explore topic-wise MCQs in Uncategorized topics.

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.

101.

In India where are Diamonds mined?

A. panna
B. hyderabad
C. golconda
D. bihar
Answer» B. hyderabad
102.

Rainbow colors from a diamonds crown are called as

A. fire
B. spectrum
C. dispersion
D. rainbow
Answer» D. rainbow
103.

Diamonds are yellow in colour due to presence of

A. boron
B. nickle
C. chromium
D. nitrogen
Answer» E.
104.

What is called as a mechanical facet

A. girdle
B. table
C. crown facet
D. culet
Answer» E.
105.

One carat is equal to how many grams

A. 0.20 gm
B. 0.50 gm
C. 0.10 gm
D. 0.05 gm
Answer» B. 0.50 gm
106.

Off Centre Culet is factor of

A. cut
B. polish
C. colour
D. symmetry
Answer» E.
107.

Culet can also be called a ... ..facet?

A. top
B. bottom
C. right
D. mechanical
Answer» E.
108.

One carat is equal to how many cents ?

A. 100
B. 1000
C. 10
D. 20
Answer» B. 1000
109.

What is the first thing you should do if you discover a fire?

A. ensure your own safety.
B. alert the police.
C. alert the fire department.
D. none of above
Answer» B. alert the police.
110.

Open culet is a factor of

A. damage
B. polish
C. symmetry
D. carat
Answer» D. carat
111.

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» C. light whitener coating
112.

The Table size of polished diamond is

A. 0.53
B. 0.54
C. 0.55
D. 0.56
Answer» B. 0.54
113.

How many edges are there in a rhombododecahedron shaped diamond rough

A. 0
B. 2
C. 12
D. 24
Answer» E.
114.

Symmetry in diamond is important for

A. maximum brilliance
B. maximum heat
C. maximum hardness
D. maximum colour
Answer» B. maximum heat
115.

Triangular Marking on the surface of rough diamond are called as

A. trigons
B. graining
C. twinning
D. macle
Answer» B. graining
116.

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» D. assortment/planning marking sawing/cleaving/polishing/grading
117.

Which is a inclusion in a polished diamond

A. fungi
B. kori chamdi
C. ghasarka
D. lukhas
Answer» B. kori chamdi
118.

How many facets are there in a Double cut Diamond?

A. 57
B. 56
C. 61
D. 17
Answer» B. 56
119.

The Total depth of polished .

A. 0.58
B. 0.59
C. 0.6
D. 0.61
Answer» B. 0.59
120.

What do you call the point where Arrow Facets Meet

A. table
B. girdle
C. culet
D. pavillion
Answer» D. pavillion
121.

Microcscope is used to observe diamonds for

A. inclusions
B. blemishes
C. symmetry
D. all of above
Answer» E.
122.

Culet is visible in a diamond from which facets

A. all pavillion facets
B. all crown facets
C. from girdle
D. only from table
Answer» E.
123.

How many facets are there in R.B.C cut diamond..?

A. 57
B. 58
C. 57+1 table
D. 57+ 1 culet
Answer» E.
124.

Extra facet is caused by

A. bad mood
B. bad salary
C. bad pavillion depth
D. bad symmetry
Answer» E.
125.

What is the Girdle ?

A. part between table & culet
B. part between table & crown
C. part between crown & culet
D. part between crown & pavillion
Answer» E.
126.

The ideal diamoneter of a 01 carat diamond is

A. 5 mm
B. 5.5 mm
C. 6 mm
D. 6.5 mm
Answer» E.
127.

Why Inclusion should not be there in culet

A. looks of diamond become poor
B. culet is delicate
C. fitted inside jewellery
D. affects processing of diamond
Answer» B. culet is delicate
128.

When is reflection of girdle visible within the table

A. weak crown
B. shallow pavillion
C. deep pavillion
D. strong crown
Answer» C. deep pavillion
129.

Planner has to keep in mind company policy of

A. maximising yield
B. maximising clarity
C. market trends
D. all of the above
Answer» E.
130.

How many total facets are there in the Pavillion?

A. 24
B. 32
C. 24+1
D. 33
Answer» D. 33
131.

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» E.
132.

The crown height of a polished diamond is ..

A. 0.15
B. 0.16
C. 0.17
D. 0.18
Answer» D. 0.18
133.

Which eye glass is generally used to observe the diamond..?

A. 8x
B. 14x
C. 25x
D. 10x
Answer» E.
134.

Polariscope is used to observe which effect in Diamond

A. stress
B. colour
C. clarity
D. none of the above
Answer» B. colour
135.

The Pavillion depth of a polished diamond is .

A. 0.41
B. 0.42
C. 0.43
D. 0.44
Answer» D. 0.44
136.

Diamond looks black when viewed from table because of

A. shallow pavillion
B. deep pavillion
C. ideal pavillion
D. strong crown
Answer» C. ideal pavillion
137.

How many uper girdle facets are there in a Round Brilliant cut Diamond?

A. 8
B. 24
C. 55
D. 16
Answer» E.
138.

How many kite facets (Bezel) are there in a Round Brilliant cut Diamond?

A. 17
B. 24
C. 32
D. 8
Answer» E.
139.

Which facet is a very big in a Round Brilliant cut Diamond?

A. table
B. pavillion
C. kite
D. arrow
Answer» B. pavillion
140.

How many star facets are there in a Round Brilliant cut Diamond?

A. 24
B. 32
C. 8
D. 16
Answer» E.
141.

How many Arrow facets are there in a Round Brilliant cut Diamond?

A. 24
B. 8
C. 16
D. 32
Answer» C. 16
142.

The diameter of R.B.C cut diamond is what %age of girdle ?

A. 0.5
B. 0.75
C. 0.45
D. 1
Answer» E.
143.

Girdle not Round is a factor of

A. rough
B. polish
C. symmetry
D. shape
Answer» D. shape
144.

Inclusion plotting in the softwares is

A. always perfect
B. needs to be checked manually
C. not reliable
D. none of the above
Answer» C. not reliable
145.

The ideal girdle thickness of a diamond should be ..

A. 0.09 - 1.0%
B. 1-2%
C. 2-3%
D. 3-4%
Answer» D. 3-4%
146.

How many facets are there in single cut diamond..?

A. 16
B. 17
C. 16+1
D. 17+1
Answer» D. 17+1
147.

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» E.
148.

What is the line that separates the top and bottom in a polished Diamond called?

A. crown
B. girdle
C. pavillion
D. culet
Answer» C. pavillion
149.

What is cloudy and milky in the diamond..?

A. group of dense pinpoints within a diamond blocking light
B. cloud in diamond
C. milk in diamond
D. pinpoint in diamond
Answer» B. cloud in diamond
150.

What is the ideal crown angle of a polished diamond .

A. 32.5
B. 33.5
C. 34.5
D. 35.5
Answer» D. 35.5