QUIZ MINING ENGINEERING and DIPLOMA

WELCOME TO  MINING ENGINEERING 

HERE THE QUESTIONS FOR YOU MINING ENGINEERS   (Q1  to Q11) AND 

(ANSWERS ARE BELOW THE QUESTIONS)  

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Q1) 

The immediate roof is called..?

1)  3m above the seam

2)  6m above the seam

3)  6m below the seam

4)  3m below the seam

 

Q2)

Phenomena of the rocks in imediate roof bend downwards under their own weight and tend to separate from one another is known as ..?

1)  subsidence

2)  pressure arch

3)  bed separation

4)  roof bending

Q3)

The pressure arch in L/W workings have its aprex or crest at a min height above the seam at nearly .... times the length of face?

1)  1

2)  2

3)  3

4)  4

Q4)

The depression of ground surface and the structures is called?

subsidence

pressure arch

bed separation

roof bending

Q5)

L/W faces with caving have caused difficulties in roof control ar depth of less than nearly..?

1)  100m

2)  200m

3)  300m

4)  400m

Q6)

In hydraulic oil the % of emulsion oil is?

1)  1

2)  3

3)  4

4)  5

Q7)

The number of props required to support one square metre of the roof area is?

1)  one

2)  two

3)  three

4)  prop density

Q8)

The max gap between two chock shield supports is..?

1)  250mm

2)  200mm

3)  150mm

4)  none of the above

Q9)

In roof stiching the face should not be advanced more than ....m from the last tensioned rope?

1)  4m

2)  3m

3)  2.4m

4)  2m

Q10)

The anchorage support of the roof stiching is ?

1)  5 te

2)  7 te

3)  10 te

4)  12 te

Q11)

The gradient in the cross cut should not be less than?

1)  1 in 4

2)  1 in 8

3)  1 in 10

4)  1 in 12

ANSWERS FOR ABOVE QUESTIONS 

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

Q6)  4   Q7)  4    Q8)   3   Q9)  3     Q10)  3     Q11)  4

TRUE STORY AND REAL FACTS OF KGF

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