Mining Engineering · all questions

Introduction to Mining Engineering
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Q101

If the orebody is large, rib pillars are left at the ends (sides) of the stope, a sill pillar at the bottom and a crown pillar at the top. Sometimes these pillars are recovered in subsequent mining. Name the suitable method of mining

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Q102

Stacker is commonly used to work in association with

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Q103

The costliest stoping method is

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Q104

Which of the following has direct impact on the turnout of face loading machine?

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Q105

In Metalliferous mines, during extraction of ore and any other mineral, the working height of the bench shall not exceed A m and angle of slope should not exceed B m from the horizontal. A & B are given by

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Q106

Positive Set Valve (PSV) is used to overcome the operator error in

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Q107

A coal seam in India is said to be thick when the thickness is more than

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Q108

Which of the following is an item of u/g coalmine support?

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Q109

Which of the following occur first in underground coal mines?

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Q110

The ratio of length of explosive column to the hole diameter which will work as a spherical charge, is

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Q111

Deflagration is

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Q112

Can you guess on the minimum production per day by a 10 m³ electric rope shovel with 85 tonne dumper in India?

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Q113

Setting of unloader valve of power pack can be changed by

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Q114

Sublevel caving with semi-mechanized wire-netting system was first practiced in which of the following colliery in India with the help of French mining engineers?

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Q115

The point beyond which the mineral/coal can not be economically extracted is called

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Q116

In Khaskaranpura, the cutting of narrow drivages with the help of coal picks is known as

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Q117

In the above question. the safety factor of the pillar is

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Q118

Use of oxyacetylene flame wielding/cutting can be done in 3^rd degree gassy mine, if

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Q119

Maximum number of faces available for working in a shift in a 5 heading bord and pillar development district is

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Q120

In Bord & Pillar panels worked in conjunction with hydraulic stowing, extract line preferred is

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