The question asks to identify the Indian state where the Talcher and Ib Valley coalfields are located. This requires knowledge of the geographical distribution of major coalfields in India.
Correct Option: C) Odisha
The question asks to identify the type of coal with the highest carbon content and calorific value. This requires knowledge of the different types of coal and their characteristics, specifically their carbon percentage and energy output.
Correct Option: D) Anthracite has the highest carbon content (typically 87-97%) and, as a result, the highest calorific value among all types of coal. It is the hardest and cleanest-burning coal.
The question asks to identify the state where Neyveli, a major lignite coal mining site, is located. This requires knowledge of the geographical distribution of mineral resources in India.
Correct Option: B) Neyveli is a major lignite mining and power generation complex located in the state of Tamil Nadu. It is home to Neyveli Lignite Corporation India Limited (NLCIL), a public sector undertaking involved in lignite mining and thermal power generation.
The question asks to identify the state where the Korba coalfield, a significant source of power-grade coal, is located. This requires knowledge of major coalfields in India and their geographical distribution.
Correct Option: B) The Korba coalfield is indeed located in Chhattisgarh. It is a major industrial hub and a significant contributor to India's coal production and power generation.
The question asks to identify the state where Singareni Collieries, a major coal producer, primarily operates. This requires knowledge of the geographical presence of key public sector undertakings in India.
Correct Option: B) Telangana
Singareni Collieries Company Limited (SCCL) is a well-known coal mining company. It is headquartered in Kothagudem, Telangana, and operates coal mines primarily in the Godavari Valley Coalfield, which spans across several districts of Telangana. Hence, Telangana is the correct state.
The question asks to identify the single largest coal-producing public sector undertaking (PSU) in India. This requires knowledge of major PSUs in the energy sector and their primary functions.
Coal India Limited (CIL) is a Maharatna Public Sector Undertaking under the Ministry of Coal, Government of India. It is the single largest coal producer in the world and accounts for over 80% of India's total coal production. Its primary business is the exploration and production of coal.
Correct Option: C) Coal India Limited is the single largest coal-producing company in India, responsible for the vast majority of the country's coal output.