Mining Engineering · all questions

Mine Legislation and General Safety
practice.

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347

Questions

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Q141

Explosive are carried from magazine to underground through a

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Q142

The diameter of the drum of any winding engine installed before 25^th October 1955 shall be not less than 'a' times of the diameter of the rope. 'a' is given by

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Q143

The space between the frame of every ventilation door and roof and sides of the roadway shall be built up with masonary or concert not less than . . . . . . . . centimeter thickness.

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Q144

What should be the maximum limit of aggregate horsepower of all heavy earthmoving machinery used in an opencast mine, when appointment of Engineer having degree or equivalent qualification in electrical or mechanical engineering recognized by the Central Government is made mandatory by the CMR 2017?

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Q145

In the event of emergency at underground mine Superintendent shall perform rescue & recovery work & within 'A' days shall send a report to the RI or CI of mines. 'A' is given by

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Q146

The owner, agent or manager shall submit the annual return on or before . . . . . . . . day if February in every year in respect of the preceding year in the form and method specific by the CI for the purpose

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Q147

While using rescue apparatus, the leader shall carry a watch to record the pressure of compressed oxygen at an interval of 'A' minutes. A is given by

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Q148

In first or second or third degree gassy mines, the velocity of air at immediate out bye ventilation connection from the face to be . . . . . . . . m/min.

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Q149

A thickness of the lid not less than . . . . . . . . centimeters.

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Q150

Every working place/face, the floor and sides of roadway within . . . . . . . . meters than of shall be, unless naturally wet throughout, regularly washed down to prevent accumulation of dust.

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Q151

The length of the flat base piece is not less than . . . . . . . . centimeter.

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Q152

The boundries of the mines shall not be changed except with the . . . . . . . . permission of the chief inspector.

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Q153

Where floor cog or roof cog is taken, the shorter props shall be replaced by . . . . . . . . props.

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Q154

How many officials or competent persons of mine the Chairman as per rule 29U shall nominate?

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Q155

How many years of practical experience of below ground mines is mandatory for getting appointment of rescue superintendent?

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Q156

The internal combustion engines or steam boiler shall not be used in mine . . . . . . . .

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Q157

When do the manager submit annual return if working there of is discontinued over a period of exceeding sixty days?

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Q158

Before erecting cogs in depillaring area, props shall be errected at the . . . . . . . . of each cog

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Q159

The manager of every mine, where need of dust respirators might arise, shall provide the workers on

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Q160

Who else, apart from Owner, Agent or Manager shall report to the Chief Inspector in writing when he is convinced that the persons employed in a mine is suffering from a disease notified under subsection (1) of section 25 of Mines Act 1952?

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