Syllabus for Gas Testing Exam

 

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Syllabus

Unit 1

 

Air Composition

 

1.1

General atmospheric Air and its composition

 

1.2

Mine air and its composition

 

1.3

Damps in mines and its threshold limits

 

1.4

Degree of gassiness

Unit 2

 

Occurrence of Firedamp

 

2.1

Composition of Firedamp

 

2.2

Coalification process

 

2.3

Emission of methane into mines

 

2.4

Coward's diagram

 

2.5

Ignition temperature and prevention of firedamp

Unit 3

 

Flame Safety Lamp

 

3.1

History of Flame Safety Lamp

 

3.2

Components of flame safety lamp and its role

 

3.3

Air flow in safety lamp

 

3.4

assemble and dismantle of the safety lamp

 

3.5

accessories of the safety lamp

 

3.6

Handling of safety lamp

 

3.7

Maintenance of safety lamp

 

3.8

Fuel or oil in safety lamp

 

3.9

Precautions with use of safety lamp

Unit 4

 

Flame and Fire

 

4.1

Class of Fire

 

4.2

Types of fire extinguishers

 

4.3

Types of flames

 

4.4

Gas cap and fuel cap

 

4.5

Testing with flame safety lamp

 

4.6

Identification of percentage of firedamp from safety lamp

 

4.7

Identification of Oxygen deficiency from safety lamp

 

4.8

Identification of presence of blackdamp from safety lamp

Unit 5

 

Automatic Detectors

 

5.1

Working principal of methanometer

 

5.2

Wheatstone bridge circuit of methanometer

 

5.3

Test procedure

Unit 6

 

Physiological effect of mine gases

 

6.1

Oxygen Physiological effect, source, Detection,

threshold limit as par regulation

 

6.2

Carbon dioxide Physiological effect, source, Detection,

threshold limit as par regulation

 

6.3

Carbon monoxide Physiological effect, source, Detection,

threshold limit as par regulation

 

6.4

Nitrous fumes Physiological effect, source, Detection,

threshold limit as par regulation

 

6.5

Sulphur dioxide Physiological effect, source, Detection,

threshold limit as par regulation

 

6.6

Hydrocarbons, Aldehydes and acroleins Physiological effect,

source, Detection, threshold

limit as par regulation

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