Which of the following services is recommended as special department?
A. sanitation services
B. recreational services
C. welfare services
D. occupational health services
Select an option to see the answer and solution.
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
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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
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As per DGMS Circular 5/2014, what percentage of methane in inflammable gas should be used for conducting incendivity tests?
A. 3 + 0.25%
B. 5 + 0.25%
C. 7 + 0.25%
D. 9 + 0.25%
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As per Cir, what would be prudent and desirable when a slip or weakness is exposed?
A. place shall be temporarily supported and shall be replaced by permanent supports at earliest
B. place of weakness shall be supported by cross-bar
C. extensometer reading shall be monitored regularly
D. blasting shall be regularised
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How many types of Circulars are issued from time to time by DGMS In our country?
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In such area prone to airblast what adequate numbers of convergence recorders are installed in the vicinity of pillar extraction?
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As per which DGMS Circular the extant provision is given about all persons in the vicinity should have taken proper shelter?
A. 7/2001
B. 7/2002
C. 5/2002
D. 11/1977
Select an option to see the answer and solution.
Accidents due to failure of slope in an opencast mine is described in which DGMS Circular?
A. 2/2001
B. 3/2001
C. 2/2002
D. 3/2002
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Which DGMS Cir states about anchorage strength of roof bolt?
A. 3/1996
B. 6/1993
C. 6/1994
D. 3/1993
Select an option to see the answer and solution.
As per which circular immediate supports are required for slips, weaknesses in immediate roof?
A. 9/1977
B. 5/1977
C. 2/2002
D. 5/2003
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What is the depth to be achieved for an excavation to be called a coal mine?
A. The depth of such excavation measured from its highest to its lowest point should not be less than 15m
B. The depth of such excavation measured from its highest to its lowest point should not be less than 10m
C. The depth of such excavation measured from its highest to its lowest point should not be less than 5m
D. The depth of such excavation measured from its highest to its lowest point should not be less than 30m
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What is the periodicity of joint survey by user and manufacturer of cage suspension gear stipulated in DGMS Circular 1/2015?
A. 3 months
B. 6 months
C. 12 months
D. 24 months
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As per DGMS Circular 6/2013, mining companies should engage CMPDIL or any educational institution for keeping active surveillance for longer period of time for which of the below mentioned technology?
A. Longwall
B. Highwall
C. Sublevel
D. Blasting gallery
Select an option to see the answer and solution.
In order to support freshly exposed roof and sides in coal mines full column grouted roof bolts preferably be used as support as per which DGMS circular?
A. 2/1997
B. 7/1977
C. 4/2002
D. 5/2002
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As per DGMS stipulation on freshly exposed roof which of the following statement is true in the context of minimum damage due to blasting?
A. first row of supports should contain at least one strategically placed cog
B. two rows of vertical props
C. two rows of cross-bars
D. bolts of lrn × lm mesh
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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
Select an option to see the answer and solution.
The provision given on weak immediate roof including supporting lips of ledges adequately by artificial means i.e. by a set of 2 or 3 cross bars duly kept lagged is from which circular?
A. 3/1975
B. 15/1959
C. 59/1973
D. 5/1975
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In order to have appropriate health and safety management system which of the following tool is used?
A. standing orders
B. emergency action plan tool for health
C. quality control cell
D. risk management tool
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During roof bolt installation which of the following measures should be kept in mind?
A. Roadway should not be sagged
B. Strata dilation is to be monitored
C. Bolt angle should be normal to the bedding plane
D. Overburden pressure should be kept in view
Select an option to see the answer and solution.