The rate of emission of gas does not exceed . . . . . . . . tonne of coal produced in gassy seam of first degree.
A. 1 m3
B. 1.5 m3
C. 10 m3
D. 5 m3
Answer: Option A
A. 1 m3
B. 1.5 m3
C. 10 m3
D. 5 m3
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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