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.

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.