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Metallurgy MCQs Practice Sheet 1

1. Which one of the following is not an ore of aluminium?

(a)    Bauxite

(b)    Corundum

(c)    Epsomite

(d)    Cryolite

2. Aluminium metal is purified by:

(a)    Hoo;e’s process

(b)    Hall’s process

(c)    Serpeck’s process

(d)    Baeyer’s process

3. In the alumino – thermite process, Al acts as

(a)    An oxidising agent

(b)    A flux

(c)    Solder

(d)    A reducing agent

4. Which of the following reaction forms the basis of Goldschmith alumino – thermite process?

(a)    2Al + N2
® 2AIN

(b)    2Al + 3Cl2
® 2AlCl3

(c)    2Al + 6HCl ® 2AlCl3 + 3H2

(d)    2Al + Fe2O3
® Al2O3 + 2Fe

5. The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite (Na3AlF6) is:

(a)    As a catalyst

(b)    To lower the temperature of the melt and to make fused mixture very conducting

(c)    To decrease the rate of oxidation of carbon at the anode

(d)    None of the above

6. Copper is extracted from sulphide ore using the method

(a)    Carbon reduction

(b)    Carbon monoxide reduction

(c)    Auto reduction

(d)    None of these

7. In the extraction of copper from copper pyrites, iron is removed as

(a)    FeSO4

(b)    FeSiO3

(c)    Fe3O4

(d)    Fe2O3

8. Froth floatation process is used for the concentration of the ore of

(a)    Fe

(b)    Al

(c)    Cr

(d)    Cu

9. In the extraction of copper, metal is formed in the Bassemer converted due to reaction

(a)    Cu2S + 2Cu2O ® 6Cu + SO2

(b)    Cu2S + 2Cu + S

(c)    Fe + Cu2O ® 6Cu + FeO

(d)    2Cu2O ® 4Cu + O2

10. High purity copper metal is obtained by

(a)    Carbon reduction

(b)    Hydrogen reduction

(c)    Electrolytic reduction

(d)    Thermite reduction

11. Silica is added to roasted copper ore during extraction in order to remove

(a)    Cuprous sulphide

(b)    Ferrous oxide

(c)    Ferrous sulphide

(d)    Cuprous oxide

12. In the electrolytic refining of copper, Ag and Au are found

(a)    On anode

(b)    In electrolyte solution

(c)    In anode mud

(d)    In cathode mud

13. Blister copper is

(a)    Pure copper

(b)    Ore of copper

(c)    Alloy of copper

(d)    Impure copper

14. Silver can be separated from lead by

(a)    Fractional crystallization

(b)    Amalgamation

(c)    Cupellation

(d)    Addition of zinc (Parke’s method)

15. Percentage of silver in the alloy german silver is

(a)    2.5%

(b)    1.5%

(c)    10 %

(d)    0%

16. AgCl on fusion with sodium carbonate, gives

(a)    Ag2CO3

(b)    Ag2O

(c)    Ag

(d)    Ag2C2

17. An alloy which does not contain copper is

(a)    Bronze

(b)    Magnalium

(c)    Brass

(d)    Bell metal

18. Cinnabar is the ore of

(a)    Zn

(b)    Cd

(c)    Hg

(d)    Ag

19. Heamatite ore is concentrated by

(a)    Gravity separation method

(b)    Forth floatation

(c)    Amalgamation

(d)    Hand picking

20. The material mixed before ore is subjected for smelting in the extraction of iron are

(a)    Cake and silica

(b)    Coke and limestone

(c)    Limestone and silica

(d)    Coke, limestone and silika

Answer keys:

1.    c    2.    a    3.    d    4.    d    5.    b

6.    c    7.    b    8.    d    9.    a    10.    c

11.    b    12.    c    13.    d    14.    d    15.    d

16.    c    17.    b    18.    c    19.    a    20.    b

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JAM Exam Last Ten Year Question Papers (JAM Academy ludhiana)08566833393

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Joint Admission Test (JAM)  is a national level entrance exam which is conducted jointly by the Indian Institute of Science Bangalore(IISc) and Indian Institute of Technology(IITs). IIT JAM exam is conducted for admissions to M.Sc ,Ph.D degrees, & joint Ph.D dual degree.

To crack IIT JAM Exam one needs to have the right approach & strategy to prepare for exam, and most importantly hard-work and dedication in preparation for the IIT JAM too.

IIT JAM Exam Previous Years Question Papers with Solutions can be downloaded from the links below and after checking IIT JAM exam previous year question papers year by year the candidates would  get an clear idea about the patterns and the type of questions asked in the examinations.

JAM 2016 examination will be conducted for the seven test papers, namely: Biological Sciences (BL), Biotechnology (BT), Chemistry (CY), Geology (GG), Mathematics (MA), Mathematical Statistics (MS) and Physics (PH). The three different patterns of questions would follow in all these respective papers:

Multiple Choice QuestionsMultiple Select QuestionsNumerical Answer Type Questions

JAM 2016 IS being organized by Indian Institute of Technology Madras (IIT Madras), this time and IIT JAM will be held on February 7, 2016.

To get access to JAM Exam last Ten Year Question Papers and IIT JAM Previous Year Question Papers Solved with Answers PDF Free Download , click on

IIT JAM 2015 Question Papers with Answer Keys

TEST PAPER (TEST PAPER CODE)QUESTION PAPERANSWER KEYBiological Sciences (BL)BL QPBL KeyBiotechnology (BT)BT QPBT KeyChemistry (CY)CY QPCY KeyGeology (GG)GG QPGG KeyMathematics (MA)MA QPMA KeyMathematical Statistics (MS)MS QPMS KeyPhysics (PH)PH QPPH Key

IIT JAM 2014 Question Papers

TEST PAPER(TEST PAPER CODE)QUESTION PAPERBiological Sciences (BL)BL QP(2014)Biotechnology (BT)BT QP(2014)Chemistry(CY)CY QP(2014)Geology (GG)GG QP(2014)Mathematics (MA)MA QP(2014)Mathematical Statistics (MS)MS QP(2014)Physics(PH)PH QP(2014)

 

IIT JAM 2013 Question Papers

TEST PAPER(TEST PAPER CODE)QUESTION PAPERBiological Sciences (BL)BL QP(2013)Biotechnology (BT)BT QP(2013)Chemistry(CY)CY QP(2013)Geology (GG)GG QP(2013)Mathematics (MA)MA QP(2013)Mathematical Statistics (MS)MS QP(2013)Physics(PH)PH QP(2013)

 

IIT JAM Previous Years Question Papers PDF Free Download

1IIT-JAM-Question-Paper–2008-Physics..pdf1IIT-JAM-Question-Paper–2008-Mathematics..pdf1IIT-JAM-Question-Paper–2007-Physics..pdf1IIT-JAM-Question-Paper–2007-Mathematics..pdf1IIT-JAM-Question-Paper–2007-Chemistry..pdf1IIT-JAM-Question-Paper–2006–Physics..pdf1IIT-JAM-Question-Paper–2006-Mathematics..pdf1IIT-JAM-Question-Paper–2006-Chemistry..pdf1IIT-JAM-Question-Paper–2005-Physics..pdf1IIT-JAM-Question-Paper–2005-Mathematics..pdf1IIT-JAM-Question-Paper–2005-Chemistry..pdf

 

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IIT JAM 2016 Examination Centers

ZONE	CITIES
IISc Bangalore	Bengaluru,Hubli, Kollam, Kottayam, Kozhikode, Mangalore, Palakkad, Thrissur
IIT Bombay	Ahmedabad, Goa, Hyderabad, Mumbai, Nagpur, Nanded, Nasik, Pune, Vadodara
IIT Delhi	Delhi-NCR, Faridabad, Ghaziabad, Gurgaon, Hisar, Indore, Jaipur, Jammu, Jodhpur, New Delhi
IIT Guwahati	Asansol-Durgapur, Dhanbad, Guwahati, Jorhat, Kalyani, Patna, Siliguri
IIT Kanpur	Agra, Allahabad, Bareilly, Bhopal, Kanpur, Lucknow, Varanasi
IIT Kharagpur	Bhubaneswar, Kharagpur, Kolkata, Raipur, Ranchi, Vijayawada, Visakhapatnam
IIT Madras	Chennai, Coimbatore, Ernakulam, Madurai, Thiruvananthapuram, Tiruchirapalli,Tirunelveli ,Warangal
IIT Roorkee	Dehradun, Jalandhar-Phagwara, Kurukshetra, NOIDA, Mohali-Rupnagar-Fatehgarh Sahib, Moradabad, Roorkee-Muzaffarnagar

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