** INTRODUCTION :- In Mining, we always try to Achieve Higher Production by applying Highly Efficient Machines/Equipment and Modern...

SPACE MINING Space Mining The costs run high and the returns are not immediate but extraterrestrial mining is now within the realms of...

Cartridge - An individual closed shell, bag, or tube of circular cross section containing explosive material. Cartridge Count (Stick...

Air Blast - the airborne shock wave or acoustic transient generated by an explosion. Ammonium Nitrate - The ammonium salt of nitric acid...

PRODUCTIVITY pro·duc·tiv·i·ty Latin Origin /ˌprōˌdəkˈtivədē Productivity is the commonly relation between the output volume and the...

Heinrich Theory In 1931, H.W. Heinrich was the first who view mine accidents in scientific way. He analysed some 75000 accidents and give...

AXIAL FLOW FAN It consists of a shaft with a hub (Boss). A number of blades are attached to the hub. The salient constructional features...

UNSAFE ACTS, UNSAFE CONDITIONS, NEAR MISS and ACCIDENT

BREAK DETECTOR It is used to detect cracks or breaks in blasting hole in U/G Mines. Regulation require that no shot hole shall be charged...

PRESSURE 1mmHg=13.6mmwg=133.3N/m²(pa) 1mmwg=9.81N/m²(pa) 1atm=10.36m of water = 760 MM of mercury 1 bar = 10⁵ pa = 1 atm 1mmwg=1kg/m²...

Mining Terminology The following three terms are closely related - MINES : An excavation made in the earth to extract minerals. MINING :...

Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is world's leading...