Mine Machinary MCQ Questions - Part 01 | Indian Minerology

⚙️ Mine Machinery MCQ Questions – Part 01

1. The main purpose of mine machinery is:

• A. Decoration
• B. Mechanize and increase production efficiency
• C. Reduce workers
• D. None

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Answer: B. Mechanize and increase production efficiency

2. Track haulage in underground mines uses:

• A. Ropes & drums
• B. Conveyors
• C. Pipe systems
• D. Dumpers

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Answer: A. Ropes & drums

3. Endless rope haulage is suitable for:

• A. Flat roads
• B. Long & steep inclined roads
• C. Short level roads
• D. Open pits

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Answer: B. Long & steep inclined roads

4. Main component of rope haulage system:

• A. Drum & Brake
• B. Conveyor belt
• C. Water pump
• D. None

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Answer: A. Drum & Brake

5. For smooth running of haulage, the gradient should not exceed:

• A. 1 in 8
• B. 1 in 10
• C. 1 in 12
• D. 1 in 20

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Answer: B. 1 in 10

6. The device used to disconnect haulage rope in case of over‑speed is:

• A. Drum friction clutch
• B. Detaching hook
• C. Brake drum
• D. Signal bell

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Answer: B. Detaching hook

7. Tubs in haulage tracks are connected by:

• A. Chains or links
• B. Belts
• C. Hooks only
• D. Bolts

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Answer: A. Chains or links

8. The mine-locomotive is powered by:

• A. Steam engine
• B. Compressed air or battery electric
• C. Diesel only
• D. Solar battery

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Answer: B. Compressed air or battery electric

9. Main advantage of endless‑rope haulage:

• A. Continuous transport
• B. Intermittent movement
• C. Manual loading
• D. Low speed

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Answer: A. Continuous transport

10. Haulage signals in mines must be:

• A. Any sound
• B. Distinct, coded and approved by DGMS
• C. Horn only
• D. Telephone based only

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Answer: B. Distinct, coded and approved by DGMS

11. In mechanical haulage, catch pit is provided to:

• A. Collect dust
• B. Catch runaway tubs
• C. Drain water
• D. Store rope

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Answer: B. Catch runaway tubs

12. Main braking device used in haulage drum is:

• A. Pawl and Ratchet
• B. Dynamic brake
• C. Foot brake
• D. Hydraulic clutch

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Answer: B. Dynamic brake

13. Rope testing schedule for haulage ropes as per DGMS is:

• A. Every 3 months
• B. Every 6 months
• C. Every 12 months
• D. Once in 2 years

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Answer: B. Every 6 months

14. When a rope is replaced, it must be:

• A. Lubricated
• B. Examined and tested before use
• C. Re‑used without inspection
• D. Stored dry

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Answer: B. Examined and tested before use

15. The factor of safety for haulage rope in mines should not be less than:

• A. 3
• B. 5
• C. 6.5
• D. 8

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Answer: C. 6.5

⚙️ Mine Machinery MCQ Series

Next (Part 02) ➡️