MtM Research Day Quiz
Quiz by Nicole Uys
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- Q 1/14Score 0
The DRC is the second biggest producer of copper in Africa.
29falsetrue
- Q1
The DRC is the second biggest producer of copper in Africa.
falsetrueTrue or False15s - Q2
A non-listed activity has less than 100 000 tons of ore on the property and requires an atmospheric emission license (AEL) to operate
falsetrueTrue or False15s - Q3
What is the most cost-effective media able to dissolve all of the PGMs?
HNO3
H2SO4
HCl
HClO4
15s - Q4
Which one of these analyses did Conchita use to compliment her QEMSCAN data?
TEM
XRD
Zetapotential
LA-ICP-MS
15s - Q5
Which key stage in the PGM processing flow sheet is the hydrometallurgy team trying to eliminate to create a process that is more sustainable and economical?
Smelting and converting
Flotation
Crushing and milling
BM leaching
15s - Q6
The South African National Mine Closure Risks and Opportunities Atlas can be used on smartphones, tablets and desktops/laptops
truefalseTrue or False15s - Q7
Which of the following companies are ICMM members?
Harmony
BHP
Vedanta
Ivanhoe
15s - Q8
The construction of tailings dams poses risks to:
The mining community
The environment
The mining company
All of the above
15s - Q9
Mercury amalgamation is widely used in artisanal mining because of low cost, simplicity of use, and high extraction of gold, as high as 90%.
falsetrueTrue or False15s - Q10
Which of the 3 is the lesser challenge faced in ewaste recovery?
Possibly high capital costs
The chemistry involved
The supply/access to ewaste
15s - Q11
The probable explanation of the effect of the alcohols on the leaching of chalcopyrite is:
The stabilisation of cuprous ion
The formation of different surface products
The cleaning of the oxidation products from the surface
The complexation of Iron
15s - Q12
Copper mining in the Northern Cape dates back to the 1800s
truefalseTrue or False15s - Q13
Does agglomeration of clay particles improve the permeability of a clay heap?
truefalseTrue or False15s - Q14
Which of the following is NOT a critical metal
Platinum
Neodymium
Copper
Cobalt
15s
