Mining Machinery MCQs Questions & Answers

Mining Machinery MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mining Machinery. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mining Machinery chapter is particularly important for students studying mining engineering. Page-1 section-5

Space factor of locked coil rope is . . . . . . . .

A) 30 - 40% B) 40 - 50% C) 50 - 60% D) 75%

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Answer & Solution

Answer: Option D

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The Alluminium body of the coal drill weights . . . . . . . .

A) 17.5 kgf B) 23 kgf C) 21.5 kgf D) 24 kgf

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Answer & Solution

Answer: Option A

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Expected out put from a continuous miner in underground.

A) 1500 tpd B) 1000 tpd C) 500 tpd D) 100 tpd

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Answer & Solution

Answer: Option A

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The rope speed is generally . . . . . . . . km/h in direct rope haulage.

A) 4 B) 8 C) 6 D) 12

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Answer & Solution

Answer: Option D

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Drill rod fits in drill chuck by . . . . . . . . joint the bit attached to the rod by . . . . . . . .

A) Bonnet, ring B) Lap, spring C) Butt, wrapping D) Bayonet, wire nail

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Answer & Solution

Answer: Option D

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For hoisting in deep mines, the type of drum employed as it reduces the net starting torque.

A) Cylindro conical B) By-cylindro conical C) Cylindrical D) None

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Answer & Solution

Answer: Option B

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If U and V are the velocities of water at two points in a pipe line, the difference in pressure energy to water is P =

A) $$\frac{{{{\text{V}}^2}}}{{2{\text{g}}}} + \frac{{{{\text{U}}^2}}}{{2{\text{g}}}}$$ B) $$\frac{{{{\text{V}}^2}}}{{2{\text{g}}}} - \frac{{{{\text{U}}^2}}}{{2{\text{g}}}}$$ C) $$\frac{{{{\text{V}}^2}}}{{\text{g}}} - \frac{{{{\text{U}}^2}}}{{\text{g}}}$$ D) $$\frac{{{{\text{V}}^2} - {{\text{U}}^2}}}{{3{\text{g}}}}$$

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Answer & Solution

Answer: Option B

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The head volume curve is considered to be true characteristic of the pump as it depends only on the . . . . . . . .

A) Impeller design B) Volute C) Casing D) Speed

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Answer & Solution

Answer: Option A

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The type of motor employed in endless haulage . . . . . . . .

A) Slip ring B) Squirrel cage C) Shut D) None

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Answer & Solution

Answer: Option B

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Triangular distribution plate is made of . . . . . . . .

A) Alluminium B) Nicel steel C) Mild steel D) Galvonised iron

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Answer & Solution

Answer: Option C

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