MINING ENGINEERING

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HERE THE QUESTIONS FOR YOU MINING ENGINEERS   (Q1  to Q10) AND 

(ANSWERS ARE BELOW THE QUESTIONS)  

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Q1) 

Shuttle cars are the transporting media for ?

1)  Longwall

2)  Bord and pillar

3)  Open cast

4)  Hydraulic mining

 
Q2)

The groove made by coal cutting machine is called as ?

1)  web

2)  cuthole

3)  channel

4)  none

Q3)

The minimum factor of safety in design pillar in bord and pillar mining?

1)  1

2)  2

3)  3

4)  4

With strong roof and unyielding floor tends to?

1)  Crush the roof

2)  Heave the floor

3)  Crush the sides of pillars

4)  Spontaneous heating

Q4)

For designing pillars.....is used?

1)  coward's diagram

2)  proximate analysis

3)  nomographs

4)  none of the above 

Q5)

The daily advance in development of galleries by continuous miner?

1)  20m

2)  30m

3)  40m

4)  50m 

Q6)

Maximum roof exposure for caving is?

1)  30 to 50 sq.m

2)  60 to 90 sq.m

3)  90 to 100 sq.m

4)  100 to 120 sq.m

Q7)

Maximum roof exposure for stowing is?

1)  30 to 50 sq.m

2)  60 to 90 sq.m

3)  90 to 100 sq.m

4)  100 to 120 sq.m

Q8)

The maxmimum compressive strength of cavable roof?

1)  300 kg/sq.cm

2)  400 kg/sq.cm

3)  500 kg/sq.cm

4)  600 kg/sq.cm

Q9) 

The limiting depth for the bord and pillar mining is?

1)  200 m

2)  300 m

3)  400 m

4)  500 m

Q10)

Heading advancing parallel to cleats are called?

1)  bord

2)  wall

3)  slice

4)  none

ANSWERS FOR ABOVE QUESTIONS 

Q1)  2         Q2)  1        Q3)  2         Q4)   3        Q5)     3

Q6)  2        Q7)  3        Q8)  3         Q9)   2        Q10)    2 

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