Vidyalelo
Mining Engineering · all questions

Introduction to Mining Engineering
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

403

Questions

21/21

Page

Pick an option on a question to see the right answer and solution.

Q401

Open question
In shovel loading of broken iron ore, if loading cycle time of the shovel of 5 m3 bucket capacity, is 60 seconds, bucket fill ratio is 0.8, rock looseness factor is 1.5 and shovel working time utilization factor is 0.6, then the hourly output of the shovel in m3/hr will be

Select an option to see the answer and solution.

Q402

Open question
Every part of underground coal mine which is not naturally wet or which is not isolated by explosion-proof stopping shall be treated with the incombustible dust having not more than the following % of free silica

Select an option to see the answer and solution.

Q403

Open question
"Goaf" in relation to Bord & Pillar or L/W working means a place

Select an option to see the answer and solution.

Prev192021