NIT Raipur: B. Tech. in Mining Engineering Introduce yourself. Have you ever visited any mine? In your project on Risk Assessment, what did you do? Tell me about the project in brief. Why did you choose mining? Have you ever seen any limestone mine? Tell me about the explosives which are used in mine. Is there any rule related to blasting operations and explosives? You have to perform controlled blasting. Which factors should be considered for that? You have done a project on Coal Grades and Coal beneficiation. Tell me about the different coal grades. Are you aware about the raw materials used for production of cement? Tell me about the toughest situation which you faced till now.  Are you an introvert or extrovert?  How many friends do you have? Which machines are used after the blasting has been completed at the face? Do you have any idea about the capacity of those machines?