Introduction to Mining Engineering MCQs Questions & Answers

Introduction to Mining Engineering MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Introduction to Mining Engineering. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Introduction to Mining Engineering chapter is particularly important for students studying mining engineering. Page-9 section-3

The area of working face broken per drill hole is termed as

A) drillability B) blasting factor C) drilling factor D) powder factor

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Answer & Solution

Answer: Option B

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The natural and geological conditions of the mineral deposit are as follows
1. ore strength : weak to moderate
2. rock strength : moderate to strong
3. deposit shape : tabular
4. dip : flat
5. depth : shallow to moderate
6. cost of mining : moderate
From the options listed below select the optimal or best suited method possible for the available conditions?

A) cut and fill stoping B) square set stope C) room and pillar mining D) all of the above

Discuss

Answer & Solution

Answer: Option C

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Which of the following is in vogue to calculating depreciation?

A) budgeting control method B) straight-line method C) industries sickness control method D) cost control technique

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Answer & Solution

Answer: Option B

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Gestation period is

A) the time interval between the mining start and production start B) the time interval between the mining start and mining close C) lag on ignition period D) time to reach the breakeven point

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Answer & Solution

Answer: Option A

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As per Indian Electricity Rules, where hand-held portable apparatus is used, the voltage should not exceed

A) 30 V B) 75 V C) 125 V D) 250 V

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Answer & Solution

Answer: Option C

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Extraction to a small sized, irregular and unsystematic underground working is called

A) sublevel stoping B) gophering C) room and pillar mining D) sublevel stoping

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Answer & Solution

Answer: Option B

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Chances of Over-riding of gallery is most with

A) shortwall method B) longwall method C) widestall method D) blasting Gallery method

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Answer & Solution

Answer: Option D

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Which of the following type of SDB is placed outbye of the face?

A) heavy barriers B) light barriers C) intermediate barriers D) any kind of barriers

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Answer & Solution

Answer: Option A

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If the value of ore is Rs. 600 per tonne, production cost Rs. 400 per tonne, and cost of overburden removal Rs. 50 per m³, the break-even stripping ratio in m³/tonne is

A) 4 : 1 B) 3 : 1 C) 1 : 3 D) 1 : 4

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Answer & Solution

Answer: Option A

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Given bench height: 12 m, burden: 4 m, Spacing: 5 m; explosive per hole: 120 kg; density of rock: 2600 kg/m³, the powder factor in tonne/kg is

A) 2.0 B) 4.6 C) 5.2 D) 7.3

Discuss

Answer & Solution

Answer: Option C

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