Podcast
Questions and Answers
Which of the following is NOT a direct loss incurred due to mine fires?
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?
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?
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?
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?
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?
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?
What are the four conditions that must be fulfilled for a fire to break out?
According to Indian Standards Specifications, how are fires classified?
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?
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?
Which type of losses incurred due to mine fires are usually higher than the direct losses?
Flashcards are hidden until you start studying
