The rate of emission of inflammable gas per tons of coal produced exceeds . . . . . . . . but does not exceed . . . . . . . . m3 in second degree gassy mines.
A. 0.1, 10
B. 0.01, 10
C. 0.05, 5
D. 0.001, 0.10
Answer: Option A
A. 0.1, 10
B. 0.01, 10
C. 0.05, 5
D. 0.001, 0.10
Answer: Option A
A. 8 hours
B. 24 hours
C. Weak
D. Month
Who are responsible for implementation of the code of practice in the roadway conveyors
A. Surveyor
B. Under manager
C. Engineer
D. Manager
A. Abonded working
B. Disused working
C. Unused works
D. Discontinued working
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