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Mine Fires and Hazards

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Questions and Answers

Which of the following is NOT a direct loss incurred due to mine fires?

Recovery of sealed-off areas

Fall in production (correct)

Cost of fire-fighting

Loss of coal reserves

What are the four conditions that must be fulfilled for a fire to break out?

Sufficient oxygen, a source of ignition, time for ignition, and a fall in production

Sufficient quantity of combustible material, sufficient oxygen, a source of ignition, and a fall in production

Sufficient oxygen, a source of ignition, time for ignition, and a sealed-off area

Sufficient quantity of combustible material, sufficient oxygen, a source of ignition, and time for ignition (correct)

According to Indian Standards Specifications, how are fires classified?

Class 'C'

Class 'D'

Class 'A' (correct)

Class 'B'

What are the indirect losses incurred due to mine fires?

Fall in productivity and increase of cost Signup and view all the answers

What does the presence of combustible material, sufficient oxygen, and a source of ignition lead to?

Mine fires Signup and view all the answers

Which of the following is NOT an indirect loss incurred due to mine fires?

Loss of coal reserves Signup and view all the answers

What are the four conditions that must be fulfilled for a fire to break out?

Source of ignition, presence of combustible material, time required for ignition, and sufficient quantity of oxygen Signup and view all the answers

According to Indian Standards Specifications, how are fires classified?

Class 'A' Signup and view all the answers

What is an ever-present hazard in mines that endangers the lives of miners and causes economic losses?

Mine fires Signup and view all the answers

Which type of losses incurred due to mine fires are usually higher than the direct losses?

Indirect losses Signup and view all the answers

Mine Fires and Hazards

Choose a study mode

Podcast

Questions and Answers

Which of the following is NOT a direct loss incurred due to mine fires?

What are the four conditions that must be fulfilled for a fire to break out?

According to Indian Standards Specifications, how are fires classified?

What are the indirect losses incurred due to mine fires?

What does the presence of combustible material, sufficient oxygen, and a source of ignition lead to?

Which of the following is NOT an indirect loss incurred due to mine fires?

What are the four conditions that must be fulfilled for a fire to break out?

According to Indian Standards Specifications, how are fires classified?

What is an ever-present hazard in mines that endangers the lives of miners and causes economic losses?

Which type of losses incurred due to mine fires are usually higher than the direct losses?

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