• info@mineportal.in
  • +91 8804777500
  • Download Mine Portal Application
Test Series Discussion Forum User Notes Apply for teaching faculty or volunteer PRP Calculator Register Login
    Logo
    • Home
    • FIRST/SECOND CLASS
      • COAL
        • TEST SERIES
        • SYLLABUS
        • EXAM PAPER ANALYSIS
      • METAL
        • TEST SERIES
        • SYLLABUS
        • EXAM PAPER ANALYSIS
      • COMMON STUDY MATERIAL
        • DAILY MINING QUE
        • THINGS TO KNOW
        • SUCCESS STORY/REPORT CARD
      • COAL FMC/SMC EXAM PAPERS
        • 2015
        • 2021
        • 2021 (DEC)
      • METAL FMC/SMC EXAM PAPERS
        • 2021
        • 2021 (DEC)
        • 2024
      • RESULT/NOTIFICATION
        • 2020
        • 2021
        • 2022
    • OM/MS/SURVEYOR
      • TEST SERIES
        • OVERMAN EXAM
        • SIRDAR EXAM
        • SURVEYOR
      • SYLLABUS & EXAM PATTERN
        • OVERMAN EXAM
        • MINING SIRDAR EXAM
        • SURVEYOR
      • OM EXAM PAPERS & ANALYSIS
        • 2017
        • 2018
        • 2019
        • 2021
        • 2023
        • 2024
      • MS EXAM PAPERS & ANALYSIS
        • 2017
        • 2018
        • 2020
        • 2021
        • 2022
        • 2023
        • 2024
      • SURVEYOR PREVIOUS YEARS PAPERS
        • 2016
        • 2020
        • 2018
        • 2022
        • 2023
      • NEWS/RESULT
        • 2020
        • 2022
        • 2024
      • STUDY MATERIAL
        • SHORT NOTES
    • MATE/FOREMAN
      • TEST SERIES
        • MINE FOREMAN
        • MINING MATE
      • SYLLABUS
        • MINING MATE
        • MINE FOREMAN
      • FOREMAN EXAM PAPERS
        • MISCELLANEOUS
        • 2021
        • 2023
      • MINE MATE EXAM PAPERS
        • 2021
        • 2023
      • BLASTERS EXAM PAPERS
        • 2021
        • 2023
      • NEWS/RESULT/NOTES
        • 2022
        • NOTES
    • GATE MINING
      • TEST SERIES
      • EXAM SYLLABUS
        • 2017
        • 2018
        • 2019
        • 2020
        • 2021
        • 2022
        • 2023
      • EXAM PAPERS/ANALYSIS
        • 2007-2019
        • 2020
        • 2021
        • 2022
        • 2023
        • 2024
      • GATE REPORT/CUT OFF/RTI
        • 2018
        • 2019
        • 2020
        • 2021
        • 2022
        • 2023
      • SUCCESS STORY
        • 2018
        • 2022
      • GENERAL QUERY
        • HOW TO PREPARE
        • BOOKS TO BE FOLLOWED
        • EXAM PATTERN/UPDATES
        • PSUs RECRUITMENT
        • COLLEGE M.TECH CUT OFF
      • GATE SPECIFIC NOTES
    • CIL & SUBSIDIARIES
      • CIL NON-EXE TO EXE EXAM
        • TEST SERIES
        • NOTIFICATION/NEWS
        • SYLLABUS
        • SHORT NOTES
        • EXAM PAPER
      • BCCL CLERICAL EXAM
        • TEST SERIES
        • NOTIFICATION/NEWS
        • SYLLABUS/EXAM PATTERN
        • SHORT NOTES
      • CIL RELATED NEWS/INFO
        • 2024
        • MISCELLANEOUS
    • COAL INDIA MT
      • PREVIOUS YEARS PAPERS
        • PERSONNEL & HR
        • PROBATION CLOSER EXAM
        • MINING
        • COAL PREPARATION
        • FINANCE
      • SYLLABUS
        • 2017
        • 2020
        • 2025
      • STUDY MATERIAL
      • SUCCESS STORY/INTERVIEW QUE
        • ON-CAMPUS PLACEMENT
        • 2012
        • 2017
        • 2020
      • NEWS/FAQ/ADVICE/RTI/CUT-OFF
        • GENERAL
        • 2017
        • 2020
        • 2021
        • 2022
        • 2023
        • 2025
      • RESULT
        • YEAR_2020
        • YEAR_2022
    • GAS TESTING
      • STUDY NOTES
        • SHORT NOTES
        • EXAM QUESTIONS
      • SUCCESS STORY
        • 2017
        • 2018
      • SYLLABUS/NEWS/FAQ
      • GAS TESTING EXAM LIST
        • 2020
    • MINING NOTES
      • LEGISLATION
        • COAL MINE REGULATIONS
        • METAL MINE REGULATIONS
        • OHSWC CODE/MINES ACT
        • MINE RULES
        • MINE RESCUE RULES
        • MINE VTC RULES
        • CIRCULAR/NSC/BYE LAWS
        • CEA
        • MMDR-MCDR
      • MINING VARIOUS TOPICS PPTs
        • COMPUTER APPLICATIONS
        • MINE VENTILATION & ENV
        • MINE MACHINERY
        • MINING MEHODS
        • MINE SURVEYING
        • EXPLOSIVE & BLASTING
        • MISCELLANEOUS
        • MINE MANAGEMENT
      • IIT(BHU) STUDENTS' NOTES
        • MINE MACHINERY
        • ELECTRICAL ENGINEERING
        • MINE ENVIRONMENT
        • ROCK MECHANICS
        • MINE SURVEYING
        • MINING METHODS
        • MINE ECONOMICS & PLANNING
        • MINE GEOLOGY
      • MINE MANAGEMENT-FIRST-AID etc
        • MINE MANAGEMENT NOTES
        • FIRST AID
        • EIA
      • ROCK MECHANICS
        • ROCK PROPERTIES
        • ROCK MECHANICS
      • MINING METHODS & GEOLOGY
        • COAL MINING
        • METAL MINING
        • EXPLOSIVES
      • MINE VENTILATION & ENVIRONMENT
        • MINE FIRE
        • MINE VENTILATON
        • MINE ENVIRONMENT
      • MINE SURVEYING & MACHINERY
        • MINE SURVEYING
        • MINE MACHINERY
      • MISCELLANEOUS
        • FORMULAES
    • DGMS MATERIAL
      • CIRCULAR/BYE LAWS
        • MISCELLANEOUS
        • 1935-2018
        • 2019
        • 2020
        • 2021
      • DGMS FORM & FORMATS
        • VARIOUS FORMS
        • MEDICAL CERTIFICATE
        • GAS TESTING
        • CHARACTER CERTIFICATE
        • EXPERIENCE CERTIFICATE
        • AFFIDAVIT
        • MINE RULES-FORMS
      • DGMS STANDARD NOTE
        • 2016
        • 2017
        • 2018
        • 2019
        • 2020
      • THINGS TO KNOW
        • FIRST AID
        • DGMS ADDRESS
        • DGMS EXAM ELIGIBILITY
        • FORM FILLING GUIDELINES
        • HELPLINE
      • NEWS/RTI/FAQs/NOTIFICATION
        • 2025
        • 2020
        • 2023
        • 2024
    • More categories
      • MINING INFO/PAPERS
        • COAL INDIA NEWS
        • APPRENTICE
        • NEWS/UPDATE
        • INTERVIEWS
        • COLLEGE SEMESTER EXAM
        • MISCELLANEOUS
        PSU/COMPANIES
        • NMDC
        • BPSC
        • TATA STEEL
        • UPPSC MINING INSPECTOR
        • ODISHA Jr MINING OFFICER
        • JHARKHAND MINING INSPECTOR
        • HPSC MINING OFFICER
        • MOIL
        • MIZORAM ASSISTANT CONTROLLER
        • RJPSC
        • SCCL
        • MPSC
        • TNPSC
        • RSSB
        • MECON
        • KERALA
        • THDC
        • CGPSC
        • ECET MINING
        • GPCL

    Additional Links

    • Home
    • About us
    • Discussion Forum
    • User Notes
    • Mineportal Notes
    • Video Lectures
    • Mining Dictionary
    • Mining Jobs
    • Take Free Test
    • Offers
    • Terms of Use
    • FAQ

    Connect With Us

    Download The App

    • Download Mine Portal Application

    EXPLOSIVES

    • Home
    • MINING NOTES
    • MINING METHODS & GEOLOGY
    • EXPLOSIVES
    COMPLETE NOTES ON DRILLING & BLASTING_NPTEL

    25 Jan, 2025

    COMPLETE NOTES ON DRILLING & BLASTING_NPTEL

    • 25-01-2025
    • 763

    NOTES ON DRILLING AND BLASTING AS PREPARED BY NPTELCLASSIFICATION OF DRILLING MACHINESRotary...

    Read more
    UNDERGROUND BLASTING PART-I

    14 Jun, 2023

    UNDERGROUND BLASTING PART-I

    • 14-06-2023
    • 1755

    IntroductionBlasting is a controlled process that involves the use of explosives to break rock...

    Read more
    UNDERGROUND BLAST DESIGN PART-I

    14 Jun, 2023

    UNDERGROUND BLAST DESIGN PART-I

    • 14-06-2023
    • 4053

    IntroductionUnderground blast design refers to the careful planning and execution of blasting...

    Read more
    DETONATING FACTOR AND SPECIFIC DRILLING

    13 Jun, 2023

    DETONATING FACTOR AND SPECIFIC DRILLING

    • 13-06-2023
    • 3611

    Detonating factor ( DF) is the amount of rock or ore fragmented per number of detonators used...

    Read more
    CONTROLLED BLASTING-PART-III

    13 Jun, 2023

    CONTROLLED BLASTING-PART-III

    • 13-06-2023
    • 3556

    MUFFLE BLASTINGFly-rock is another important adverse impact of blasting operations, specially,...

    Read more
    UNDERGROUND BLAST TECHNIQUES- PART-II

    13 Jun, 2023

    UNDERGROUND BLAST TECHNIQUES- PART-II

    • 13-06-2023
    • 2382

    Burn cutA series of parallel holes are drilled closely spaced at right angles to the face. One...

    Read more

    Total: 12 | Showing from: 1 - 6

      Category

      • COAL MINING
      • METAL MINING
      • EXPLOSIVES
      Logo

      Mine Portal is the favourite choice of thousands of mining professional aspirants for online DGMS Managership competency exam preparation. Our popular products include Online Test Series ...
      Read More

      CATEGORIES

      • FIRST/SECOND CLASS
      • MINING NOTES
      • MATE/FOREMAN
      • OM/MS/SURVEYOR
      • GATE MINING
      • DGMS MATERIAL

      Recent

      • cil-system-exam-paper-2021
        CIL SYSTEM EXAM PAPER 2021
      • rpsc-ame-geology-exam-2025-que-paper-andamp-answer-key
        RPSC AME GEOLOGY EXAM 2025 QUE PAPER & ANSWER KEY
      • cil-non-exe-to-exe-welfare-andamp-personnel-exam-paper-2021
        CIL NON-EXE TO EXE WELFARE & PERSONNEL EXAM PAPER 2021

      © Copyright 2025. All Rights Reserved by Mine Portal, Design & developed by Mehta Websolution

      Open with

      Avatar

      Mineportal App

      Avatar

      Continue with browser

      Login with social

      Login to your registered account!

      • Login With Password
      • Login With OTP
      Lost your password?

      Not a member yet? Register now

      Email not verified? Verify Email

      Register with social

      Register a new account

      Are you a member? Login now

      Mobile phone verification

      Change Number

      Don't receive the code?

      Forgot Password

      Loading...

      Are you a member? Login now

      Social Login

      We haven't get your email address or mobile number from your social account.

      Mobile phone verification

      Change Number

      Don't receive the code?

      Resend Verification Link

      Loading...

      Are you a member? Login now

      Recover Password

      Don't receive the code?

      Reset Password

      Mobile phone verification

      Don't receive the code?

      Join Us On WhatsApp

      Note: Join for exam which you are preparing. To maintain uniqueness and diversification of group a person can only join one group. Any member found joining multiple groups will be removed.

      JOIN CHAT

      Join Us On Telegram

      Note: Join for exam which you are preparing. To maintain uniqueness and diversification of group a person can only join one group. Any member found joining multiple groups will be removed.

      JOIN CHAT