Regarding efficiency of roof bolting some circulars were issued which of the following statement is true as per cir 5/2002 and 11/2002?
A. efficiency of bolt should be monitored regularly
B. anchorage testing machine design should be conducive to testing strength of bolts
C. results of anchorage testing machine should be analysed adequately
D. intensive training should be given to timber men
Answer: Option B
This Question Belongs to Mining Engineering >> Mine Rules And Regulations
Which of the following services is recommended as special department?
A. sanitation services
B. recreational services
C. welfare services
D. occupational health services
What action would be taken as per DGMS Circular for immediate support of slips and weak planes?
A. put props as required at the place
B. set roof bolts at 3 × 3 mesh
C. place shall be temporarily supported followed by permanent supports
D. place shall be supported permanent supports before engaging persons to work
While choosing mutually exclusive projects which type of project gets priority for selection?
A. project with largest negative value
B. project with largest positive value
C. project with good cash flow
D. project with cumulative cash flow with negative and positive number
A. 3 + 0.25%
B. 5 + 0.25%
C. 7 + 0.25%
D. 9 + 0.25%
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