Minerals & Industries — Set 14
Jharkhand GK · खनिज और उद्योग · Questions 131–140 of 160
Which type of mining is more prevalent in Jharkhand's coalfields — underground or surface (open-cast)?
Correct Answer: B. Both, but underground mining is traditional and open-cast has grown significantly for cost efficiency
Jharkhand's coalfields use both underground and open-cast (surface) mining methods. Underground mining has been traditional in Jharia but the complex geology and fires make it challenging. Open-cast mining is more cost-effective and has grown significantly in CCL areas. However, open-cast mining causes more displacement and surface environmental damage compared to underground methods.
The Lohardaga district in Jharkhand has deposits of which mineral that gives it economic importance?
Correct Answer: B. Bauxite (aluminium ore)
Lohardaga district in Jharkhand has significant bauxite (aluminium ore) deposits. Bauxite is processed into alumina and then into aluminium metal. Jharkhand's bauxite from Lohardaga is an important mineral resource for India's growing aluminium industry. The district is predominantly inhabited by Oraon tribal communities.
The Jharkhand Bijli Vitran Nigam Limited (JBVNL) handles what function in Jharkhand?
Correct Answer: B. Electricity distribution in Jharkhand
JBVNL (Jharkhand Bijli Vitran Nigam Limited) is the state electricity distribution company responsible for supplying electricity to consumers in Jharkhand. It is a successor entity to the Jharkhand State Electricity Board (JSEB). JBVNL sources electricity from central sector plants (DVC, NTPC) and state plants and distributes it to domestic, commercial, and industrial consumers.
SAIL Bokaro produces which specific products that are essential for the automotive industry?
Correct Answer: B. Cold-rolled sheets and coils used in car body manufacturing
SAIL Bokaro produces cold-rolled coils and sheets that are essential for the automotive industry for manufacturing car bodies, doors, hoods, and other stamped components. The cold-rolling process produces thin, flat steel with precise dimensions and smooth surface finish needed for automotive applications. Bokaro's automotive-grade CR steel supplies major car manufacturers in India.
Which major coal mine fire has been burning in Jharkhand since 1916?
Correct Answer: B. Jharia (Jharia underground coal fire)
The Jharia underground coal fire has been burning since 1916 in the Jharia coalfield of Dhanbad district, Jharkhand. This is one of the world's oldest and most severe underground mine fires. The fire has destroyed billions of tonnes of coal, forced displacement of thousands of residents, and caused decades of environmental damage.
The Sindri Fertiliser Plant, established in 1951, was built under which industrial policy initiative?
Correct Answer: B. First Five Year Plan's public sector industrialisation
The Sindri Fertiliser Plant was established in 1951 as part of the First Five Year Plan's emphasis on building heavy industries and fertiliser production in the public sector. It used coal from nearby Jharia coalfield as raw material through the gasification process. Sindri represented India's early industrial ambitions in the post-independence era.
Which major iron and steel company in India was originally established at Hirapur near Burnpur before merging with SAIL?
Correct Answer: B. IISCO (Indian Iron and Steel Company)
IISCO (Indian Iron and Steel Company Limited) was established at Hirapur near Burnpur, West Bengal (close to Jharkhand border) and was later merged into SAIL. IISCO had close ties to Jharkhand's iron ore from Singhbhum and coal from Jharia. The IISCO Burnpur plant now under SAIL continues to use inputs from Jharkhand.
Jharkhand's Pakur district is known for which mineral used in construction?
Correct Answer: B. Pakur stone (black granite used in stone chips/aggregate for construction)
Pakur district in Santhal Parganas, Jharkhand, is known for its Pakur stone (locally called Pakur paththar), a type of black granite used in construction as stone chips, aggregate for concrete, and road building. The stone crushing industry in Pakur is a major economic activity. Pakur stone is exported to Bangladesh and used extensively in Jharkhand, West Bengal, and Bangladesh construction.
The Jharkhand government's Invest Jharkhand summit aims to attract investment in which sectors?
Correct Answer: B. Mining, steel, power, IT, tourism, and manufacturing sectors
The Invest Jharkhand (previously Momentum Jharkhand) summit organises industry events to attract investment across multiple sectors including mining, steel, power, IT, tourism, tribal handicrafts, and manufacturing. The government offers incentives including land acquisition assistance, power subsidies, and tax benefits. These efforts aim to diversify Jharkhand's economy beyond mining.
The 1907 establishment of Tata Steel at Jamshedpur was historically significant for what reason?
Correct Answer: B. It was Asia's first integrated steel plant, demonstrating India's industrial capability under Indian ownership
The 1907 establishment of Tata Steel (TISCO) at Jamshedpur was historically significant because it was Asia's first integrated steel plant and was owned and managed by Indians. This challenged the colonial assumption that Indians could not manage modern heavy industry. It became a symbol of Indian entrepreneurship and the Tata Group's commitment to nation-building.