MINING ENGINEERING

WELCOME TO  MINING ENGINEERING 

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

(ANSWERS ARE BELOW THE QUESTIONS)  

CLICK ON THE LINK  TO JOIN WhatsApp (GROUP) 

https://chat.whatsapp.com/BjrBq2zCwy5LWhMDUjYlwT     ( OR) 

CLICK HERE

Q1) 

The sludge or cuttings in the borehole are removed withe help of ?

1)  corebarrel 

2)  sludger

3)  retainingkey

4)  bulldog 

  

 

Q2)

Manual drilling is possible upto max depth of.....m? 

1)  15

2)  30

3)  45

4)  60

Q3)

Single tube core barrel is suitable for recovering core from rocks of ?

1)  soft

2)  friable

3)  homogeneous

4)  hard

Q4)

Bore hole deviation is .....deg for 30m?

1)  1

2)  2

3)  3

4)  4

Q5)

In freezing method os sinking the removal of ice wall after completion of siking by sending hot brine through holes is known as ..?

1)  defreezing

2)  silicatisation

3)  postfreezing

4)  thawing

Q6)

In cementation method the purpose of treating holes with chemicals-silicate of soda and alluminium sulfate is ..?

1)  To reduce the friction

2)  To seal cracks

3)  quick setting of cement

4)  none

Q7)

An underground roadway through stone connecting 2 or more coal seams is ..?

1)  tunnel

2)  crossmeasuredrift

3)  crosscut

4)  staplepit

Q8)

As per indian standerds deep mines means if the seam lying depth from surface is..?

1)  Less than 200m

2)  200-450

3)  450-600m

4)  above 600m

Q9)

In deg I mines the % of inflammable gas is ..?

1)  lessthan 0.1

2)  0.1to1

3)  1-10

4)  above10

Q10)

Which explosive is blasted by safety fuse?

1)  ANFO

2)  slurry

3)  NG

4)  Gunpowder

Q11)

The VOD of premix is?

1)  5000 m/s

2)  7000 m/s

3)  3500 m/s

4)  3200 m/s

ANSWERS FOR ABOVE QUESTIONS 

Q1)  2   Q2)  2    Q3)  3    Q4)   2   Q5)  4     

Q6)  1   Q7)  2    Q8)   2   Q9)  1     Q10)  4    Q11)  2

CLICK HERE FOR COAL INDIA GENERAL KNOWLEDGE QUESTION PAPER 2019

THANKS FOR VISITING US........ 

WELLCOME