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11) Blasting gallery method of coal mining is not suitable for working seam having thickness less than.......?
Ans: Less than 7 meter
12) What should be the minium shelter area under the provisions of Mines Rules, 1955?
Ans: 14 Sq. meter
13) Which mining equipment is suitable for over casting operation?
Ans: Dragline
14) Which section of the Mines Act, 1952 and rule of the mines rules 1955 restricts the employment of persons for not more then 6 days in week?
Ans: Section 28 of the Mines Act & Rule 47 of MMR, 1955
15) First Mines Rescue Station in India was set up at...?
Ans: Sitarampur, west Bengal
16) In which area of a mine, chances of air blast is maximum?
Ans: Blasting Gallery
17) In mining terms, joining of two winding rope is called....?
Ans: Splashing
18) Who shall be held responsible for complying the provisions of regulation 177 of the coal mines regulations, 1957?
Ans: ShortFirer
19) Which device is used to mesure the cooling power of the air in mining perspective?
Ans: Kata Thermometer
20). What is the meaning of depillaring in reference of coal mining?
Ans: Extraction of coal from the pillars formed during the process of develpoment.
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