GAS TESTING EXAM

SHORT NOTES

NOTES CONTAIN FOLLOWING TOPICS
1.0 TESTING OF METHANE OR FIREDAMP
2.0 INDIAN REGULATIONS PERTAINING TO METHANE CONCENTRATION
3.0 METHODS OF DETECTING METHANE
3.1 Flame Safety Lamp
3.1.1 Working Principle of Flame Safety Lamp
3.1.2 Manufacturers of Flame Safety Lamp in India
3.1.3 Approval by DGMS

NOTE CONTAIN FOLLOWING TOPICS
1.0 HISTORY OF FLAME SAFETY LAMP
2.0 SAFETY FEATURES OF FLAME SAFETY LAMP
3.0 FUNCTION OF VARIOUS PARTS OF FLAME SAFETY LAMP
3.1 DETECTION OF GAS WITH FLAME SAFETY LAMP
3.1.1 ACCUMULATION TEST
3.1.2 PERCENTAGE TEST
4.DESCRIPTION ABOUT METHANOMETER
5. CO DETECTOR
6.PRECAUSTION AGAINST INFLAMMABLE & NOXIOUS GAS
7.CLASSIFICATION OF COAL SEAM INTO IT’S DEGREENESS
8. TABLE OF MINE GASES & THEIR MEASURING INSTRUMENT
9.MINE GASES & THEIR PHYSIOLOGICAL EFFECTS
10.DIFFERENCE BETWEEN IGNITION & EXPLOSION
11.DIFFERENCE BETWEEN INFLAMMABILITY & LAG ON IGNITION
12. IGNITION, CROSSING POINT TEMPERATURE
13. METHANOMETER OPERATING PRINCIPLE
14. DESCRIPTION OF MINE GASES-CO,CO2,SO2,NOx,H2Ss

NOTES CONTAIN
1.0 METHANE
1.1 Physical Properties
1.2 Explosibility Curve of Methane
1.3 Lag on Ignition
1.4 Classification of Coal Mines based on Methane Emission
1.5 Occurrence of Methane
1.6 Desorption of Methane and its Emission to Underground Openings