CoalDust Explosion 👉Coal dust, when suspended in air, is capable of bursting into explosion & propogate it even in the absence of...

Fire Damp Explosion Presence of firedamp in air between 5.4% to 14.8% forms an explosive mixture. if suitable source of Ignition is...

Mine Explosion An explosion is a sudden combustion process of great intensity, accompanied(साथ में) by release of large quantities of...

•Mixture of Gases:- Fire Damp:- It is a mixture of methane & other trace amount of other gases. Black Damp/ Choke Damp:- Mixture of...

Spontaneous Heating:-It is defined as the process of self heating resulting eventually in its ignition without the application of...

•Flameproof Apparatus:- Flameproof Apparatus means an electrical apparatus - whose electrical parts that can ignite an explosive...

Methane Explosibility Curve If you want to find out the flammability of methane-air mixtures, explosibility curve of methane is extremely...

UNSAFE ACTS, UNSAFE CONDITIONS, NEAR MISS and ACCIDENT

•Ignition temperature:- The minimum/lowest temperature at which any substance or gas starts to burn. Ignition temp.of methane is usually...

Composition of Atmospheric Air : Exposure LIMITS - Threshold limit values (TLV): It is the maximum/minimum concentration of constituent...

CLASSIFICATION OF COAL MINES- Degree of gassiness (A/c to Emission of gas) 1. % of Inflammable gas on the general body of air. 1st degree ...