Page 1
2013 MINING ENGG. –MN
MN 1/15
MN:MINING ENGINEERING
Duration: Three Hours Maximum Marks:100
Please read the following instructions carefully:
General Instructions:
1. Total durati on of e x ami n a t ion is 180 minutes (3 hour s ) .
2. The c l ock wi ll be set a t the s e rv er. T he c ou ntdown t imer i n th e top rig ht c o rne r o f sc r e en w ill
display the remaining time available for you to complete the ex aminatio n. W hen the timer
re a c hes zero, the examin ation w i ll en d by i tself. Y ou w ill not be required to end or submit your
exa m ination.
3. The Que s ti on P alette d is played o n th e ri g ht side o f s c r e en w il l show the s t atus o f each q ues t ion
using o ne of t he fo llow i ng sy m bols:
You have not visited the question yet.
You have not answered the question.
You have answered the question.
You have NOT answered the question, but have marked the
question for review.
You have answered the question, but marked it for review.
The Ma r k ed f o r R e v ie w s t atus f or a q uestion simp ly i ndicates that you would like to look at that
question a g ain. If a question is answered and Marked for Review, your answer for that
question will be considered in the evaluation.
Navigating to a Question
4. To a ns w e r a que s tion, do the following :
a. Click on th e ques t ion number in th e Que s tion P a l ette to go to t hat questio n di re c t ly.
b. Select an answer for a multiple choice type question. Use the v irtual n umeric k e y p a d to
en t er a num be r as ans w e r fo r a n um e ric a l t ype qu est ion.
c. Click on Save and Next to s ave you r a ns w e r f o r the cu rrent q uestion an d then g o to t h e
ne xt qu estion.
d. Click on Mark for Review and Next to save your answer for the current question, ma rk
it f or review, and then go to the ne xt question.
e. Caution: Note that your answer for the current question will not be saved, if you
navigate to another question directly by clicking on its question number.
5. You ca n v i ew all the questions by clicking on t he Question Paper button. Note that the options
for multiple choice typ e questions w i ll not be shown.
Page 2
2013 MINING ENGG. –MN
MN 1/15
MN:MINING ENGINEERING
Duration: Three Hours Maximum Marks:100
Please read the following instructions carefully:
General Instructions:
1. Total durati on of e x ami n a t ion is 180 minutes (3 hour s ) .
2. The c l ock wi ll be set a t the s e rv er. T he c ou ntdown t imer i n th e top rig ht c o rne r o f sc r e en w ill
display the remaining time available for you to complete the ex aminatio n. W hen the timer
re a c hes zero, the examin ation w i ll en d by i tself. Y ou w ill not be required to end or submit your
exa m ination.
3. The Que s ti on P alette d is played o n th e ri g ht side o f s c r e en w il l show the s t atus o f each q ues t ion
using o ne of t he fo llow i ng sy m bols:
You have not visited the question yet.
You have not answered the question.
You have answered the question.
You have NOT answered the question, but have marked the
question for review.
You have answered the question, but marked it for review.
The Ma r k ed f o r R e v ie w s t atus f or a q uestion simp ly i ndicates that you would like to look at that
question a g ain. If a question is answered and Marked for Review, your answer for that
question will be considered in the evaluation.
Navigating to a Question
4. To a ns w e r a que s tion, do the following :
a. Click on th e ques t ion number in th e Que s tion P a l ette to go to t hat questio n di re c t ly.
b. Select an answer for a multiple choice type question. Use the v irtual n umeric k e y p a d to
en t er a num be r as ans w e r fo r a n um e ric a l t ype qu est ion.
c. Click on Save and Next to s ave you r a ns w e r f o r the cu rrent q uestion an d then g o to t h e
ne xt qu estion.
d. Click on Mark for Review and Next to save your answer for the current question, ma rk
it f or review, and then go to the ne xt question.
e. Caution: Note that your answer for the current question will not be saved, if you
navigate to another question directly by clicking on its question number.
5. You ca n v i ew all the questions by clicking on t he Question Paper button. Note that the options
for multiple choice typ e questions w i ll not be shown.
2013 MINING ENGG. –MN
MN 2/15
Answering a Question
6. Proce d ure f o r a n s w e r ing a multiple ch oice typ e question:
a. T o s e l ect y o ur ans wer, c l i ck on th e button of one of th e optio ns
b. To deselect your chosen answer, click on the button of the chos e n o ption again or c lic k
on th e Clear Response b utto n
c. T o c h a nge y o ur chos en answer, c lick o n th e button of a nothe r o ption
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is selected for a question that is Marked for Review, that answer will be
considered in the evaluation.
7. Proce d u re fo r ans w e ring a nu me ric al ans w e r t ype ques tion :
a. T o enter a n umber as y o u r an s w e r , u se the vi r t ua l nume r ical key pad
b. A fracti on ( eg. , -0 .3 o r - . 3) c an b e ent e red as an ans w e r w it h o r without ‘0’ bef o r e the
decim a l poi n t
c. T o c l ear y our ans w er, cli c k on t he Clear Response butto n
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is entered for a question that is Marked for Review, that answer will be
considered in the evaluation.
8. To change your answer to a question that has already been answe r e d, f ir st select that q ue s t ion
for ans w e r in g a n d the n follow th e p r ocedu r e for a n sweri n g th at typ e o f qu es tion.
9. Note th a t ONLY Q uestions f or whi ch answers are s a ve d or marke d for revi ew a f te r ans w e r ing
will be cons i d ere d for ev a luatio n.
Page 3
2013 MINING ENGG. –MN
MN 1/15
MN:MINING ENGINEERING
Duration: Three Hours Maximum Marks:100
Please read the following instructions carefully:
General Instructions:
1. Total durati on of e x ami n a t ion is 180 minutes (3 hour s ) .
2. The c l ock wi ll be set a t the s e rv er. T he c ou ntdown t imer i n th e top rig ht c o rne r o f sc r e en w ill
display the remaining time available for you to complete the ex aminatio n. W hen the timer
re a c hes zero, the examin ation w i ll en d by i tself. Y ou w ill not be required to end or submit your
exa m ination.
3. The Que s ti on P alette d is played o n th e ri g ht side o f s c r e en w il l show the s t atus o f each q ues t ion
using o ne of t he fo llow i ng sy m bols:
You have not visited the question yet.
You have not answered the question.
You have answered the question.
You have NOT answered the question, but have marked the
question for review.
You have answered the question, but marked it for review.
The Ma r k ed f o r R e v ie w s t atus f or a q uestion simp ly i ndicates that you would like to look at that
question a g ain. If a question is answered and Marked for Review, your answer for that
question will be considered in the evaluation.
Navigating to a Question
4. To a ns w e r a que s tion, do the following :
a. Click on th e ques t ion number in th e Que s tion P a l ette to go to t hat questio n di re c t ly.
b. Select an answer for a multiple choice type question. Use the v irtual n umeric k e y p a d to
en t er a num be r as ans w e r fo r a n um e ric a l t ype qu est ion.
c. Click on Save and Next to s ave you r a ns w e r f o r the cu rrent q uestion an d then g o to t h e
ne xt qu estion.
d. Click on Mark for Review and Next to save your answer for the current question, ma rk
it f or review, and then go to the ne xt question.
e. Caution: Note that your answer for the current question will not be saved, if you
navigate to another question directly by clicking on its question number.
5. You ca n v i ew all the questions by clicking on t he Question Paper button. Note that the options
for multiple choice typ e questions w i ll not be shown.
2013 MINING ENGG. –MN
MN 2/15
Answering a Question
6. Proce d ure f o r a n s w e r ing a multiple ch oice typ e question:
a. T o s e l ect y o ur ans wer, c l i ck on th e button of one of th e optio ns
b. To deselect your chosen answer, click on the button of the chos e n o ption again or c lic k
on th e Clear Response b utto n
c. T o c h a nge y o ur chos en answer, c lick o n th e button of a nothe r o ption
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is selected for a question that is Marked for Review, that answer will be
considered in the evaluation.
7. Proce d u re fo r ans w e ring a nu me ric al ans w e r t ype ques tion :
a. T o enter a n umber as y o u r an s w e r , u se the vi r t ua l nume r ical key pad
b. A fracti on ( eg. , -0 .3 o r - . 3) c an b e ent e red as an ans w e r w it h o r without ‘0’ bef o r e the
decim a l poi n t
c. T o c l ear y our ans w er, cli c k on t he Clear Response butto n
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is entered for a question that is Marked for Review, that answer will be
considered in the evaluation.
8. To change your answer to a question that has already been answe r e d, f ir st select that q ue s t ion
for ans w e r in g a n d the n follow th e p r ocedu r e for a n sweri n g th at typ e o f qu es tion.
9. Note th a t ONLY Q uestions f or whi ch answers are s a ve d or marke d for revi ew a f te r ans w e r ing
will be cons i d ere d for ev a luatio n.
2013 MINING ENGG. –MN
MN 3/15
Paper specific instructions:
1. There are a total of 65 questions carrying 100 marks. Questions are of multiple choice type or
numerical answer type. A multiple choice type question will have four choices for the answer with
only one correct choice. For numerical answer type questions, the answer is a number and no choices
will be given. A number as the answer should be entered using the virtual keyboard on the monitor.
2. Questions Q.1 – Q.25 carry 1mark each. Questions Q.26 – Q.55 carry 2marks each. The 2marks
questions include two pairs of common data questions and two pairs of linked answer questions. The
answer to the second question of the linked answer questions depends on the answer to the first
question of the pair. If the first question in the linked pair is wrongly answered or is not attempted,
then the answer to the second question in the pair will not be evaluated.
3. Questions Q.56 – Q.65 belong to General Aptitude (GA) section and carry a total of 15 marks.
Questions Q.56 – Q.60 carry 1mark each, and questions Q.61 – Q.65 carry 2marks each.
4. Questions not attempted will result in zero mark. Wrong answers for multiple choice type questions
will result in NEGATIVE marks. For all 1 mark questions, ? mark will be deducted for each wrong
answer. For all 2 marks questions, ? mark will be deducted for each wrong answer. However, in the
case of the linked answer question pair, there will be negative marks only for wrong answer to the
first question and no negative marks for wrong answer to the second question. There is no negative
marking for questions of numerical answer type.
5. Calculator is allowed. Charts, graph sheets or tables are NOT allowed in the examination hall.
6. Do the rough work in the Scribble Pad provided.
Page 4
2013 MINING ENGG. –MN
MN 1/15
MN:MINING ENGINEERING
Duration: Three Hours Maximum Marks:100
Please read the following instructions carefully:
General Instructions:
1. Total durati on of e x ami n a t ion is 180 minutes (3 hour s ) .
2. The c l ock wi ll be set a t the s e rv er. T he c ou ntdown t imer i n th e top rig ht c o rne r o f sc r e en w ill
display the remaining time available for you to complete the ex aminatio n. W hen the timer
re a c hes zero, the examin ation w i ll en d by i tself. Y ou w ill not be required to end or submit your
exa m ination.
3. The Que s ti on P alette d is played o n th e ri g ht side o f s c r e en w il l show the s t atus o f each q ues t ion
using o ne of t he fo llow i ng sy m bols:
You have not visited the question yet.
You have not answered the question.
You have answered the question.
You have NOT answered the question, but have marked the
question for review.
You have answered the question, but marked it for review.
The Ma r k ed f o r R e v ie w s t atus f or a q uestion simp ly i ndicates that you would like to look at that
question a g ain. If a question is answered and Marked for Review, your answer for that
question will be considered in the evaluation.
Navigating to a Question
4. To a ns w e r a que s tion, do the following :
a. Click on th e ques t ion number in th e Que s tion P a l ette to go to t hat questio n di re c t ly.
b. Select an answer for a multiple choice type question. Use the v irtual n umeric k e y p a d to
en t er a num be r as ans w e r fo r a n um e ric a l t ype qu est ion.
c. Click on Save and Next to s ave you r a ns w e r f o r the cu rrent q uestion an d then g o to t h e
ne xt qu estion.
d. Click on Mark for Review and Next to save your answer for the current question, ma rk
it f or review, and then go to the ne xt question.
e. Caution: Note that your answer for the current question will not be saved, if you
navigate to another question directly by clicking on its question number.
5. You ca n v i ew all the questions by clicking on t he Question Paper button. Note that the options
for multiple choice typ e questions w i ll not be shown.
2013 MINING ENGG. –MN
MN 2/15
Answering a Question
6. Proce d ure f o r a n s w e r ing a multiple ch oice typ e question:
a. T o s e l ect y o ur ans wer, c l i ck on th e button of one of th e optio ns
b. To deselect your chosen answer, click on the button of the chos e n o ption again or c lic k
on th e Clear Response b utto n
c. T o c h a nge y o ur chos en answer, c lick o n th e button of a nothe r o ption
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is selected for a question that is Marked for Review, that answer will be
considered in the evaluation.
7. Proce d u re fo r ans w e ring a nu me ric al ans w e r t ype ques tion :
a. T o enter a n umber as y o u r an s w e r , u se the vi r t ua l nume r ical key pad
b. A fracti on ( eg. , -0 .3 o r - . 3) c an b e ent e red as an ans w e r w it h o r without ‘0’ bef o r e the
decim a l poi n t
c. T o c l ear y our ans w er, cli c k on t he Clear Response butto n
d. T o s a v e your ans wer, you MUS T click on th e Save and Next b u tto n
e. T o m ark the questio n for r e view, click on t h e Mark for Review and Next butto n. If an
answer is entered for a question that is Marked for Review, that answer will be
considered in the evaluation.
8. To change your answer to a question that has already been answe r e d, f ir st select that q ue s t ion
for ans w e r in g a n d the n follow th e p r ocedu r e for a n sweri n g th at typ e o f qu es tion.
9. Note th a t ONLY Q uestions f or whi ch answers are s a ve d or marke d for revi ew a f te r ans w e r ing
will be cons i d ere d for ev a luatio n.
2013 MINING ENGG. –MN
MN 3/15
Paper specific instructions:
1. There are a total of 65 questions carrying 100 marks. Questions are of multiple choice type or
numerical answer type. A multiple choice type question will have four choices for the answer with
only one correct choice. For numerical answer type questions, the answer is a number and no choices
will be given. A number as the answer should be entered using the virtual keyboard on the monitor.
2. Questions Q.1 – Q.25 carry 1mark each. Questions Q.26 – Q.55 carry 2marks each. The 2marks
questions include two pairs of common data questions and two pairs of linked answer questions. The
answer to the second question of the linked answer questions depends on the answer to the first
question of the pair. If the first question in the linked pair is wrongly answered or is not attempted,
then the answer to the second question in the pair will not be evaluated.
3. Questions Q.56 – Q.65 belong to General Aptitude (GA) section and carry a total of 15 marks.
Questions Q.56 – Q.60 carry 1mark each, and questions Q.61 – Q.65 carry 2marks each.
4. Questions not attempted will result in zero mark. Wrong answers for multiple choice type questions
will result in NEGATIVE marks. For all 1 mark questions, ? mark will be deducted for each wrong
answer. For all 2 marks questions, ? mark will be deducted for each wrong answer. However, in the
case of the linked answer question pair, there will be negative marks only for wrong answer to the
first question and no negative marks for wrong answer to the second question. There is no negative
marking for questions of numerical answer type.
5. Calculator is allowed. Charts, graph sheets or tables are NOT allowed in the examination hall.
6. Do the rough work in the Scribble Pad provided.
2013 MINING ENGG. –MN
MN 4/15
Q. 1 – Q. 25 carry one mark each.
Q.1 In the Coward flammability diagram, the respective percentages of methane and oxygen at the
nose limit are
(A) 14.2, 0.0 (B) 14.1, 18.2 (C) 5.8, 12.1 (D) 5.0, 19.2
Q.2 If the transpose of a matrix is equal to its inverse, then the matrix is
(A) symmetric (B) orthogonal (C) skew symmetric (D) singular
Q.3 In the Moh’s scale of hardness, the minerals in increasing sequence of hardness are
(A) calcite, gypsum, topaz, diamond
(B) topaz, gypsum, calcite, diamond
(C) calcite, gypsum, diamond, topaz
(D) gypsum, calcite, topaz, diamond
Q.4 A ball of weight W is supported on smooth walls as shown in the following figure. R
1
and R
2
are
reactions from the walls 1 and 2. The free body diagram of the ball is represented by
Q.5 For a 25 mm diameter spherical charge, the maximum allowable charge length in cm is
(A) 15.0 (B) 25.0 (C) 30.0 (D) 150.0
Q.6 Long-hole drilling with crater blasting is used for the construction of
(A) winze (B) shaft (C) raise (D) decline
Q.7 Rill stoping method is a form of
(A) block caving
(B) artificially supported stoping
(C) underhand stoping
(D) overhand stoping
Q.8 Transit theodolite is a
(A) micro-optic theodolite
(B) theodolite with face left and face right reading facilities
(C) theodolite with stadia hairs
(D) theodolite with two vertical circles
1
2
R
2
R
1
W
R
2
R
1
W
R
2
R
1
W
R
2
R
1
W
(A) (B) (C) (D)
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