Name of the University : Jadavpur University
Department : Metallurgical Engineering
Degree : B.E
Subject Name : Geology And Mineral Beneficiation
Year/Sem : II/I
Website : jaduniv.edu.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/dspace.jdvu.ac.in/5463-Geology%20and%20Mineral%20Beneficiation.pdf
Geology & Mineral Beneficiation Question :
Bachelor Of Metallurgical Engineering Examination, 2012 :
( 2nd Year, 1st Semester )
Time : Three Hours
Related : Jadavpur University Foundry Metallurgy B.E Question Paper : www.pdfquestion.in/5462.html
Full Marks – 100
(50 Marks for each Group)
Use a separate Answer-Script for each Part :
Part – I :
Group – A :
Answer any 5 : (Five) 5×5=25
1. Write about internal structure of the Earth. How do you know about internal structure of the Earth? 3+2=5
2. Define mineral and crystal. How does crystallization occur? 3+2=5
3. What is magma? What is rock? Give examples of rock. How does sedimentary rock form? Give example of sedimentary rock. 1+2+2=5
4. Write differences between extrusive and intrusive igneous rocks. Give examples. 4+1=5
5. Write with neat sketches about the types of geometric operation by which homogeneous patterns can be generated. 5
6. Explain enantiomorphous and glide reflection. What is the difference between symmetry operations and symmetry elements? 3+2=5
7. Write with neat sketches about the rotoinversion operation. 5
8. Write chemical composition and main uses of following minerals :
Olivine, calcite, feldspar, talc, chromite, serpentine, gypsum,sphalerite, chalcopyrite, galena.
Group – B :
9. Answer any Five questions : 5×5=25
a) What is ‘Clark value’? Is it same for each element? Do you consider the phenomenon of ore deposition as a ‘normal’ or an ‘abnormal’ consequence in nature?
b) Define ‘Ore’ mineral. Why definition of ore is technology dependent? Discuss why size and quantity of ore are two important parameters to define any ore-deposit.
c) Discuss briefly about different processes involved in magmatic ore deposit.
d) What is ‘hydrothermal deposit’? What are the factors that control precipitation from hydrothermal solutions?
e) Discuss about the process of metasomatic replacement. What metal and non-metal resources are probably deposited through metasomatic replacement?
f) What is ‘placer deposit’? Enumerate in detail the basis for differentiating placer deposit.
g) Why Chromite is considered as ‘strategic’ mineral? Briefly discuss about the grades and associated rocks of Chromite deposits of India.
h) Which deposit is considered the principal producer of lead-zinc ore in India? Discuss about the associated rocks, origin and grade of ore of this deposit.
Part – II :
Q. No.1 and any two questions from the rest
10. i) Distinguish between mineral and ore. 2×5=10
ii) Write the several factors on which the economy of extraction is dependent.
iii) Distinguish between comminution and sizing.
iv) Define concentration and classification.
v) Distinguish between Angle of nip and contact angle.
11. Derive : 10+10
a) i) Terminal velocity of coarse particles in a suspension.
ii) The condition required to ensure nip between a pair of rolls
Describe :
b) i) Various laws of comminution.
ii) Functional diagram of a double toggle jaw crusher.
12. i) State the principle of classification. Describe the selective flotation with an example. 8+12
ii) Describe the different types of Ball Mills.
13. Short notes : 7+7+6
i) Gyratory crusher
ii) Wilfley Table
iii) Wet drum-type magnetic separator
Syllabus :
Geology And Mineral Beneficiation Laboratory :
Symmetry elements, Identification of minerals and as per the theory subject Met/Geo/T/212 (Geology Part)
Minerals Beneficiation Laboratory :
As per theory subject Met/Geo/T/212 (Minerals beneficiation part)
Machine Design And Drawing :
Basic idea of design, factor of safety, modes of failure, theories of failure, design under static and fatigue loading. Design of Cotter/knuckle Joint, threaded and riveted joint, eccentric loading. Shaft coupling (rigid / flexible). Belt-pulley drive. Pressure vessel.