Diamonds and Diamond Grading Final
300 - Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. The concentration of diamonds within a pipe is called...
a. drift
b. ore grade
c. overburden
d. rough grade - ANSWER B. ore grade
2. Which of the following is not a diamond inclusion?
a. cloud
b. feather
c. gas bubble
d. included crystal - ANSWER C. gas bubble
3. A mine's potential profitability depends in part on...
A. its ore grade
B. its location on a craton
C. having a small, compact pipe
D. a good kimberlite-to-lamproite ratio - ANSWER A. its ore
grade
4. The Argyle mine is famous for diamonds that are...
A. pink
, B. blue
C. large
D. colorless - ANSWER A. pink
b.
5. Visible light is...
a. also called brilliance
b. the result of dispersion
c. a form of radiant energy
d. a type of ultraviolet radiation - ANSWER C. a form of radiant
energy
6. Dirt and clay are washed from diamond-bearing ore by...
a. cleaners
b. agitators
c. scrubbers
d. grease belts - ANSWER C. scrubbers
7. A horizontal tunnel drilled through a diamond pipe is called a...
a. path
b. drift
c. shaft
d. channel - ANSWER B. drift
8. Most modern diamond mining operations are...
a. done with simple hand tools
b. small in scale and not very expensive
c. large in scale and extremely expensive
, d. performed in temperature controlled environments - ANSWER C.
large in scale and extremely expensive
9. The largest percentage of world diamond production (by weight) is mined
in...
a. Brazil
b. Angola
c. Australia
d. Indonesia - ANSWER C. Australia
10.African diamonds are recovered from...
a. pipe deposits only
b. alluvial deposits only
c. marine deposits only
d. pipe, alluvial and marine deposits - ANSWER D. pipe, alluvial, and
marine deposits
11.During emplacement, if diamonds are exposed to high temperature along
with decreased pressure for a long period, they will...
a. melt
b. explode
c. vaporize
d. convert to graphite - ANSWER D. convert to graphite
12.A profitable mine...
a. is close to a source of water
b. has a high percentage of micro diamonds
, c. meets governmental and environmental regulations
d. produces diamonds whose value is higher than the mine's operating
costs - ANSWER D. produces diamonds whose value is higher
than the mine's operating cost
13.Diamond rough suitable for use in jewelry is called...
a. cuttable
b. grade A
c. top quality
d. jewelry quality - ANSWER A. cuttable
14.Diamond rough suitable for use in tools, drills and abrasives is...
a. cuttable quality
b. industrial quality
c. primarily from marine deposits
d. a byproduct of the exploration process - ANSWER B. industrial
quality
15.Gravity sorting separates diamonds from...
a. river gravels
b. lighter materials
c. heavier materials
d. indicator materials - ANSWER B. lighter materials
16.The first step in exploring for diamonds is to...
a. collect bulk samples of ore
b. search for ancient volcanoes
c. look for the oldest parts of the earth's crust
300 - Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. The concentration of diamonds within a pipe is called...
a. drift
b. ore grade
c. overburden
d. rough grade - ANSWER B. ore grade
2. Which of the following is not a diamond inclusion?
a. cloud
b. feather
c. gas bubble
d. included crystal - ANSWER C. gas bubble
3. A mine's potential profitability depends in part on...
A. its ore grade
B. its location on a craton
C. having a small, compact pipe
D. a good kimberlite-to-lamproite ratio - ANSWER A. its ore
grade
4. The Argyle mine is famous for diamonds that are...
A. pink
, B. blue
C. large
D. colorless - ANSWER A. pink
b.
5. Visible light is...
a. also called brilliance
b. the result of dispersion
c. a form of radiant energy
d. a type of ultraviolet radiation - ANSWER C. a form of radiant
energy
6. Dirt and clay are washed from diamond-bearing ore by...
a. cleaners
b. agitators
c. scrubbers
d. grease belts - ANSWER C. scrubbers
7. A horizontal tunnel drilled through a diamond pipe is called a...
a. path
b. drift
c. shaft
d. channel - ANSWER B. drift
8. Most modern diamond mining operations are...
a. done with simple hand tools
b. small in scale and not very expensive
c. large in scale and extremely expensive
, d. performed in temperature controlled environments - ANSWER C.
large in scale and extremely expensive
9. The largest percentage of world diamond production (by weight) is mined
in...
a. Brazil
b. Angola
c. Australia
d. Indonesia - ANSWER C. Australia
10.African diamonds are recovered from...
a. pipe deposits only
b. alluvial deposits only
c. marine deposits only
d. pipe, alluvial and marine deposits - ANSWER D. pipe, alluvial, and
marine deposits
11.During emplacement, if diamonds are exposed to high temperature along
with decreased pressure for a long period, they will...
a. melt
b. explode
c. vaporize
d. convert to graphite - ANSWER D. convert to graphite
12.A profitable mine...
a. is close to a source of water
b. has a high percentage of micro diamonds
, c. meets governmental and environmental regulations
d. produces diamonds whose value is higher than the mine's operating
costs - ANSWER D. produces diamonds whose value is higher
than the mine's operating cost
13.Diamond rough suitable for use in jewelry is called...
a. cuttable
b. grade A
c. top quality
d. jewelry quality - ANSWER A. cuttable
14.Diamond rough suitable for use in tools, drills and abrasives is...
a. cuttable quality
b. industrial quality
c. primarily from marine deposits
d. a byproduct of the exploration process - ANSWER B. industrial
quality
15.Gravity sorting separates diamonds from...
a. river gravels
b. lighter materials
c. heavier materials
d. indicator materials - ANSWER B. lighter materials
16.The first step in exploring for diamonds is to...
a. collect bulk samples of ore
b. search for ancient volcanoes
c. look for the oldest parts of the earth's crust
