Q17
As per extant regulation under CMR 1957 and MMR 1961 what is to be confirmed by the Shotfirer before a shot hole is charged, stemmed and fired?
A.
no coal should be there at face
B.
there should not be any misfire
C.
inflammable gas should be under danger limit
D.
all persons in the vicinity should have taken proper shelter
AnswerAnswer: Option D
Solution
Answer: Option D
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