Coal Mining MCQs Questions & Answers

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Each section contains 100 MCQs on Coal Mining .

The front abutment exertsa peak pressure . . . . . . . . meters in advance of the L/W face

A) 1 to 1 B) 1 to 2 C) 1 to 4 D) 1 to 3

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The water tank have a capacity required for hydraulic stowing . . . . . . . . days requirement of water.

A) 1 B) 2 C) 3 D) 6

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Lignite deposits in tertiary rocks of Neyveli is of

A) Miocene period B) Eocene period C) Pleistocene period D) Oligocene period

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Seam thickness suitable for plough operation.

A) 0.2 - 2 m B) 0.6 - 3 m C) 1 - 3 m D) 3 - 8 m

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Stowing pipe range consists of mainly . . . . . . . .

A) Shaft range B) Under ground roadways range C) Face pipe range D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The line passing through all the corners of the stook under extraction at a time called

A) Line of goaf B) Line of extraction C) Line of face D) All of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

By installation of booster punp instowing causes

A) Decrease the pressure of sane and slury B) Increases flow C) Slow down the water flow D) Pipe breaks

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Area of cross section of steel rods are

A) 30 mm² B) 35 mm² C) 36 mm² D) 38 mm²

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Double tube core barrel helps in

A) Recovery of drill cuttings B) Exploratory drilling C) Better recovery of core D) None

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Over riding of pillars, premature collapse cover due to presence of

A) Strong coal B) Shale roof C) Watering strata D) Strong thick massive sand stone

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Coal Mining MCQs Questions & Answers | Mining Engineering