Mining Equipment and Technology Quiz

Equipment and Technology

• Side Discharge Loader (SDL) and Load Haul Dump (LHD) are both chain-mounted equipments.
• Mass production technologies for underground (UG) mining include SDL, LHD, and also PSLW.
• Tyre-mounted equipments available include Pay Loader, Grader, and Dozer.
• Largest Shovel-Dumper combination in Coal India Limited (CIL) is 42cum + 240T.

Capacities and Sizes

• Largest capacity shovel-dumper combination deployed in CIL is at the Gevra OCP.
• CIL's largest Rope Shovel size is 42cum.
• The largest Dumper size in CIL is 360T.
• The world’s largest Rope Shovel size is 63cum.
• The largest boom length of a Dragline globally is 150 m.
• The largest size of hydraulic shovels in CIL is 18cum.
• The largest hydraulic shovel in the world has a capacity of over 50cum.
• CIL's largest Drill size is 381mm.
• The largest Dozer in CIL has 850hp.

Mining Technologies

• LHD stands for Load Haul Dump.
• Mass production technologies for underground mining include Longwall, SDL, LHD, and Bord & Pillar.
• Intermittent mining technology is associated with Bord & Pillar.
• The largest bucket capacity for Dragline in CIL is 35cum.
• The world's largest Dragline has a bucket capacity of 129cum.
• High Wall Mining is located in WCL; Shortwall mining is used in SECL.
• In-pit crushing & conveying technology is utilized in Piparwar OCP.

Production and Operations

• CIL operates 17 coal washeries.
• Surface Miners can handle both coal and overburden (OB).
• SDL and LHD are utilized for loading operations in UG mining.
• Surface Miner, Longwall, and Bucket Wheel Excavator do not require blasting.

Industry Applications

• Low Temperature Carbonization Coke (LTC Coke) is utilized by various industries including steel, cement, and power plants.
• Coking coal includes Prime Coking, Medium Coking, and Semi Coking types.

Corporate and Statistics

• CIL was awarded Maharatna status on 11th April 2011.
• CIL was the 5th company to achieve Maharatna status, following ONGC, IOC, and SAIL.
• Total manpower of CIL as of 1st March 2011 was 3.84 lakh.
• CIL operated a total of 471 mines as of 1st April 2011.
• After expansion, Gevra OCP will be the largest in CIL.

Partnerships and Subsidiaries

• MCL has established joint ventures MJSJ and MNH.
• CIL established a foreign subsidiary, CIAL, in Mozambique.
• CIAL stands for Coal India Africa Limited and is a CIL subsidiary.

Classification and Types of Coal

• Coal is classified based on calorific value mainly into coking coal, non-coking coal, semi coking coal, and NEC coal.
• Coking coal is primarily classified based on its properties.

Test your knowledge on mining equipment and mass production technologies used in underground operations. This quiz covers essential questions about chain-mounted and tyre-mounted equipment, as well as specific companies and their deployments in the field. Enhance your understanding of mining machinery and its applications.