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Page 1

2013                                                                                                                                                                                                  MINING ENGG. –MN
MN 1/15
MN:MINING ENGINEERING

Duration: Three Hours        Maximum Marks:100

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

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

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

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

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

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

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)

## GATE Past Year Papers for Practice (All Branches)

380 docs|127 tests
 Use Code STAYHOME200 and get INR 200 additional OFF

## GATE Past Year Papers for Practice (All Branches)

380 docs|127 tests

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