Mine Machinery MCQ Questions - Part 05 (Final) | Indian Minerology

⚙️ Mine Machinery MCQ Questions - Part 05 (Final)

61. DGMS mandates inspection of mining machinery at least:

• A. Monthly
• B. Quarterly
• C. Half yearly
• D. Annually

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Answer: B. Quarterly

62. Electrical equipment used in mines must be:

• A. Explosion proof
• B. Flameproof
• C. Both A and B
• D. Standard industrial type

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Answer: C. Both A and B

63. Spares inventory for mining machinery should be:

• A. Minimal to reduce cost
• B. Adequate to prevent downtime
• C. Not maintained regularly
• D. Provided by manufacturer only

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Answer: B. Adequate to prevent downtime

64. Periodic training for machinery operators is:

• A. Optional
• B. Recommended but not mandatory
• C. Mandatory as per DGMS
• D. Not needed

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Answer: C. Mandatory as per DGMS

65. The main advantage of automation in mining machinery is:

• A. Reduced manpower
• B. Improved safety and productivity
• C. Increased maintenance
• D. Higher energy consumption

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Answer: B. Improved safety and productivity

66. Regular DGMS inspections help in:

• A. Identifying unsafe machinery
• B. Ensuring compliance with standards
• C. Preventing accidents
• D. All of the above

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Answer: D. All of the above

67. Case studies help in:

• A. Learning from past mistakes
• B. Improving safety protocols
• C. Reducing accidents
• D. All of the above

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Answer: D. All of the above

68. The main source of power for underground machinery is:

• A. Diesel engines
• B. Battery electric
• C. Compressed air
• D. Electric trailing cables

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Answer: D. Electric trailing cables

69. Minimum age for operators of mining machinery as per the Mines Act is:

• A. 16 years
• B. 18 years
• C. 21 years
• D. 25 years

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Answer: B. 18 years

70. Equipment downtime is best minimized by:

• A. Reactive maintenance
• B. Preventive maintenance
• C. Ignoring minor defects
• D. Use of older equipment

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Answer: B. Preventive maintenance

71. DGMS requirements mandate documentation of:

• A. Maintenance activities
• B. Operator trainings
• C. Equipment inspections
• D. All of the above

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Answer: D. All of the above

72. Use of solar-powered equipment in mines is:

• A. Fully approved by DGMS
• B. Increasing for surface mining
• C. Rarely practiced
• D. Prohibited

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Answer: B. Increasing for surface mining

73. Emergency shutdown systems in mining machinery help in:

• A. Preventing accidents
• B. Protecting equipment
• C. Both A and B
• D. None of the above

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Answer: C. Both A and B

74. The use of forklift trucks in mines is usually for:

• A. Handling loads above 2 tons
• B. Material handling in surface areas
• C. Underground haulage
• D. Emergency rescue

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Answer: B. Material handling in surface areas

75. The ultimate goal of mining machinery safety is to:

• A. Maximize productivity
• B. Minimize operational costs
• C. Ensure safe working conditions for workers
• D. Increase equipment lifespan

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Answer: C. Ensure safe working conditions for workers

⚙️ Mine Machinery MCQ Series (Complete)

You have completed all 75 Mine Machinery MCQs in 5 parts.

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