Opencast Mining MCQs Questions & Answers

Opencast Mining MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Opencast Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Opencast Mining chapter is particularly important for students studying mining engineering. Page-1 section-3

The average loading performance per loader in manual quarry is nearly of (1.1 m³ capacity).

A) 2 tubs B) 3 tubs C) 4 tubs D) 6 tubs

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Answer & Solution

Answer: Option C

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Subgrade drilling length is generally.

A) 0.5 - 3 m B) Upto 0.5 m C) 2 - 5 m D) 5 - 8 m

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Answer & Solution

Answer: Option A

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One of the example for hydraulic excavator is . . . . . . . .

A) Tractor shovel B) Poclain shovel C) Dipper shovel D) Drag line

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Answer & Solution

Answer: Option B

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The maximum air consumption in wagon drill

A) 2 - 6 m³/s min B) 8 - 19 m³/s min C) 19 - 22 m³/s min D) 25 - 30 m³/s min

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Answer & Solution

Answer: Option B

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The limiting dip for shovel dumper combination.

A) 3° B) 4° C) 5° D) 6°

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Answer & Solution

Answer: Option B

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The searching for ore called

A) Sinking B) Exploration C) Exploitation D) Prospecting

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Answer & Solution

Answer: Option D

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The method of driving trenches depends on

A) Equipment used B) Cross section of Trench C) Physical property of ground D) All these

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Answer & Solution

Answer: Option D

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Front end loader also called . . . . . . . .

A) Pay loader B) Dipper shovel C) Tripper D) AMSO

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Answer & Solution

Answer: Option A

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Toe problem can be eliminated by

A) Deep drilling B) Subside drilling C) Subgraded drilling D) Back break

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Answer & Solution

Answer: Option C

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Bench height - 12 m, burden - 4 m, spacing - 5 m, explosive per hole - 120 kg, density of rock - 2600 kg/m² is the power factor in tonne/kg is . . . . . . . .

A) 2 B) 4.6 C) 5.2 D) 7.3

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Answer & Solution

Answer: Option C

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