Mining Technical

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HISTORY OF COAL INDIA LIMITED || CIL 2021

October 17, 2021

HISTORY OF COAL INDIA LIMITED CIL HQ With dawn of the Indian independence a greater need for coal production was felt in the First Five Year Plan. In 1951 the Working Party for the coal Industry was set up which included representatives of coal industry, labour unions and government which suggested the amalgamation of small and fragmented producing units. Thus the idea for a nationalized unified coal sector was born. Integrated overall planning in coal mining is a post-independence phenomenon. National Coal Development Corporation was formed with 11 collieries with the task of exploring new coalfields and expediting development of new coal mines. Factors which led up to Nationalization of Coal Industry in India Nationalization of coal industry in India in the early seventies was a fall out of two related events. In the first instance it was the oil price shock, which led the country to take up a close scrutiny of its energy options. A Fuel Policy Committee set up for this purpose ide

WCL SIRDAR VACANCY 2021-MINING TECHNICAL

October 17, 2021

WCL SIRDAR VACANCY 2021 On 11.10.2021, WCL announced job notification for the post of Mining Sirdar has been released officially. Diploma pass Can apply for this job openings. Candidates who meet the eligibility criteria alone can apply on the official website westerncoal.in. The application process ends on 20.11.2021.

Winding in mines

August 05, 2018

ØTypes of Winding system:- A. On the basis of construction: a)Drum Winding b)Friction/Koepe Winding c)Balanced weight winding B. On the basis of power supplied: a)Electric winding b)Compressed air winding c)Steam winding ØEquipment of winding (वाइंिडं ग में प्रयोग होने वाले उपकरण): 1.Headgear 2.Cage 3.Headgear Pulley 4.Winding rope 5.Winding drum/sheave 6.Guides 7.Keps and folding platform 8.Dogs 9.Suspension gear 10.Electric motor or steam engine vHeadgear :- shaft के ऊपर लोहे या concrete से बना एक ऊँ चा फ़्रे म होता है िजसके ऊपर की तरफ़ pulley लगी होती है जो cage को उपर नीचे लाने में मदद करती है,इसी frame को headgear कहते है{you are reading mining technical study material} •Types of headgear:- •1. 2-post type : कोयला खानो के िलए नहीं 2.4- post type:- Drum/Friction winding में प्रयोग 3.6-post type:- drum winding के िलए vHeadgear pulley:- यह एक pulley होती है जो headgear के ऊपर लगी रहती है जो घुमकर cage को ऊपर नीचे करती है  Guides:-shaft में cage side से टकर

Important Books for any Mining Examination || My opinions || Buy Online

March 19, 2018

List of Important 📚 books for Mining Examination ➡️ List of important books 📚 ✅ For Diploma or Degree in Mining Engineering. ➡️ Buy online 👉 CLICK HERE TO BUY ALL THESE 18 books online @special discounts from any state 1.Elements of Mining Technology volume 1:- https://goo.gl/ SVMTvD 2.Elements of Mining Technology Volume 2 :- https://goo.gl/ sD1RAQ 3.Elements of Mining Technology volume 3:- https://goo.gl/ f2jU85 4.Principle and Practices of Modern Coal Mining by RD Singh :- https://goo.gl/ KWsEMG 5.The Mines Act 1952 (English) :- https://goo.gl/ Q9yGDX 6.Mine Ventilation by GB Mishra:- https://goo.gl/ uXWtuV 7.Mine Rules 1955:- https://goo.gl/ SxfYkM 8.Mining MCQ for exams: https://goo.gl/ wmPffe 9.Mining surveying II:- https://goo.gl/ wHBWhG 10.Advanced opencast Mining methods:- https://goo.gl/ kpPaGd 11.Mine machinery II :- https://goo.gl/ 1V41Mr 12.Metal Mining book :- https://goo.gl/ mwwRnt 13.Mine machinery I :- h

Duties of overman || coal mine regulation 2017

February 28, 2018

Watch this video on Youtube :https://www.youtube.com/watch?v=sxvRyoEOTEE Regulation 47: Duties & responsiblities of overman The duties of overman basically revolve around three things: 1. Proper working of his district 2. Saftey of his district 3. Discipline in his district For Discipline For Discipline For Descipline 1. O/M shall follow the rules given by his superior officials. 2. He shall be responsible for control and charge to the mine parts assigned to him. 3.He shall follow the duties assigned by the manager 4. he shall always keep the tracings of his district on duty, and keep tracings up to date 5. He shall enforce in his district the provisions of the Act, regulations and orders. 6 He shall give directions as may be necessary to ensure compliance with those provisions, and to secure the safety of the district and the safety and pr

Different Fire Indices || overman examination || Mine Environment

February 19, 2018

* Important fire Indices For Overman exams * 1. Grahm’s Ratio -: CO produced ——————————- O2 consumed Index value:- Less than 0.5% :- Normal More than 0.5% but less than 1% :- Existence of Fire More than 1% but less than 2%:- Fire in advance stage More than 3%:- Active fire 2.Young’s Ratio:- CO2 Produced —————- O2 consumed Index value:- Less than 25:- Normal 25-50:- superficial heating More than 50:- heating 3.Oxides of Carbon Ratio :- CO —— CO2 Index value:- More than 2:- Normal 2- 13Superficial Heating More than 13:- Blazing Fire 4. Willet Ratio :- CO produced % ——————————- Black Damp + combustible Gas Index value :- Ratio increases with increase in temperature 5. Justin & Kim’s Ratio(Hydro Carbon Ratio) : {1.01(THC)-CH4}1000 ———————————- THC+C { THC= Total Hydro Carbon in ppm,CH4 in ppm,C=0.01ppm} Index Value:- 0-50 :- Normal 50-100:- possible spice of Heating More than 100 :- Hot Zone 6.Jone